./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.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 f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:18:21,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:18:21,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:18:21,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:18:21,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:18:21,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:18:21,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:18:21,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:18:21,418 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:18:21,418 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:18:21,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:18:21,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:18:21,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:18:21,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:18:21,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:18:21,420 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:21,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:21,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:18:21,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:18:21,420 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 -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2025-01-09 18:18:21,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:18:21,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:18:21,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:18:21,645 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:18:21,646 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:18:21,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2025-01-09 18:18:22,873 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d610cdbe6/f88e0e86cc0d40b1ab7b51f3a26362d6/FLAG46a60e6e6 [2025-01-09 18:18:23,339 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:18:23,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2025-01-09 18:18:23,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d610cdbe6/f88e0e86cc0d40b1ab7b51f3a26362d6/FLAG46a60e6e6 [2025-01-09 18:18:23,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d610cdbe6/f88e0e86cc0d40b1ab7b51f3a26362d6 [2025-01-09 18:18:23,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:18:23,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:18:23,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:18:23,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:18:23,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:18:23,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:18:23" (1/1) ... [2025-01-09 18:18:23,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791222bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:23, skipping insertion in model container [2025-01-09 18:18:23,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:18:23" (1/1) ... [2025-01-09 18:18:23,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:18:24,261 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2025-01-09 18:18:24,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:18:24,485 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:18:24,719 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2025-01-09 18:18:24,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:18:24,892 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:18:24,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24 WrapperNode [2025-01-09 18:18:24,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:18:24,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:18:24,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:18:24,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:18:24,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:24,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,107 INFO L138 Inliner]: procedures = 167, calls = 3358, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4474 [2025-01-09 18:18:25,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:18:25,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:18:25,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:18:25,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:18:25,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,279 INFO L175 MemorySlicer]: Split 2952 memory accesses to 19 slices as follows [2, 14, 2, 2, 13, 13, 9, 138, 5, 20, 24, 33, 6, 6, 13, 7, 4, 2639, 2]. 89 percent of accesses are in the largest equivalence class. The 2525 initializations are split as follows [2, 14, 0, 0, 13, 13, 0, 0, 5, 20, 0, 24, 0, 6, 0, 4, 4, 2420, 0]. The 294 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 136, 0, 0, 24, 0, 5, 0, 9, 0, 0, 120, 0]. [2025-01-09 18:18:25,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,379 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:18:25,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:18:25,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:18:25,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:18:25,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (1/1) ... [2025-01-09 18:18:25,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:25,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:18:25,605 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 18:18:25,622 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 18:18:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2025-01-09 18:18:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-01-09 18:18:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-01-09 18:18:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2025-01-09 18:18:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-01-09 18:18:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-01-09 18:18:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:18:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2025-01-09 18:18:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2025-01-09 18:18:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:18:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:18:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:18:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:18:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:18:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:18:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:18:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:18:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:18:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:18:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:18:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:18:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:18:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:18:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:18:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:18:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2025-01-09 18:18:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-01-09 18:18:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-01-09 18:18:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2025-01-09 18:18:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:18:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:18:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:18:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:18:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:18:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2025-01-09 18:18:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2025-01-09 18:18:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2025-01-09 18:18:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 18:18:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2025-01-09 18:18:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2025-01-09 18:18:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:18:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:18:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:18:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:18:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:18:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:18:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:18:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2025-01-09 18:18:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2025-01-09 18:18:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2025-01-09 18:18:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 18:18:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 18:18:25,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 18:18:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-01-09 18:18:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-01-09 18:18:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-01-09 18:18:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-01-09 18:18:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-01-09 18:18:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:18:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:18:25,686 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2025-01-09 18:18:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2025-01-09 18:18:26,220 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:18:26,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:18:38,116 INFO L? ?]: Removed 969 outVars from TransFormulas that were not future-live. [2025-01-09 18:18:38,117 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:18:38,148 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:18:38,148 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2025-01-09 18:18:38,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:18:38 BoogieIcfgContainer [2025-01-09 18:18:38,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:18:38,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:18:38,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:18:38,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:18:38,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:18:23" (1/3) ... [2025-01-09 18:18:38,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74910dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:18:38, skipping insertion in model container [2025-01-09 18:18:38,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:18:24" (2/3) ... [2025-01-09 18:18:38,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74910dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:18:38, skipping insertion in model container [2025-01-09 18:18:38,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:18:38" (3/3) ... [2025-01-09 18:18:38,160 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2025-01-09 18:18:38,178 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:18:38,182 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i that has 66 procedures, 935 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2025-01-09 18:18:38,248 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:18:38,261 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;@6d63c2d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:18:38,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:18:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 845 states, 626 states have (on average 1.3865814696485623) internal successors, (868), 650 states have internal predecessors, (868), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) [2025-01-09 18:18:38,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-09 18:18:38,277 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:38,278 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:38,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:38,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:38,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1262205425, now seen corresponding path program 1 times [2025-01-09 18:18:38,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:38,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619970008] [2025-01-09 18:18:38,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:40,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-09 18:18:40,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-09 18:18:40,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:40,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:40,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:40,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619970008] [2025-01-09 18:18:40,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619970008] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:40,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:40,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:18:40,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340826662] [2025-01-09 18:18:40,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:40,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:40,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:40,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:40,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:40,990 INFO L87 Difference]: Start difference. First operand has 845 states, 626 states have (on average 1.3865814696485623) internal successors, (868), 650 states have internal predecessors, (868), 175 states have call successors, (175), 47 states have call predecessors, (175), 47 states have return successors, (175), 170 states have call predecessors, (175), 175 states have call successors, (175) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:18:41,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:41,338 INFO L93 Difference]: Finished difference Result 2426 states and 3587 transitions. [2025-01-09 18:18:41,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:41,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-01-09 18:18:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:41,359 INFO L225 Difference]: With dead ends: 2426 [2025-01-09 18:18:41,360 INFO L226 Difference]: Without dead ends: 1576 [2025-01-09 18:18:41,368 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 18:18:41,370 INFO L435 NwaCegarLoop]: 1191 mSDtfsCounter, 1071 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 2340 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:41,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 2340 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:18:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2025-01-09 18:18:41,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1564. [2025-01-09 18:18:41,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1159 states have (on average 1.377911993097498) internal successors, (1597), 1191 states have internal predecessors, (1597), 318 states have call successors, (318), 87 states have call predecessors, (318), 86 states have return successors, (312), 301 states have call predecessors, (312), 312 states have call successors, (312) [2025-01-09 18:18:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2227 transitions. [2025-01-09 18:18:41,518 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2227 transitions. Word has length 16 [2025-01-09 18:18:41,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:41,518 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2227 transitions. [2025-01-09 18:18:41,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:18:41,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2227 transitions. [2025-01-09 18:18:41,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-09 18:18:41,520 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:41,520 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:41,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:18:41,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:41,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:41,525 INFO L85 PathProgramCache]: Analyzing trace with hash -293872518, now seen corresponding path program 1 times [2025-01-09 18:18:41,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:41,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425919395] [2025-01-09 18:18:41,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:41,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:43,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 18:18:43,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 18:18:43,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:43,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:43,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:43,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425919395] [2025-01-09 18:18:43,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425919395] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:43,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:43,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 18:18:43,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082194139] [2025-01-09 18:18:43,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:43,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:43,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:43,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:43,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:43,806 INFO L87 Difference]: Start difference. First operand 1564 states and 2227 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:18:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:43,868 INFO L93 Difference]: Finished difference Result 3125 states and 4451 transitions. [2025-01-09 18:18:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:43,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-01-09 18:18:43,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:43,883 INFO L225 Difference]: With dead ends: 3125 [2025-01-09 18:18:43,883 INFO L226 Difference]: Without dead ends: 1564 [2025-01-09 18:18:43,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:18:43,891 INFO L435 NwaCegarLoop]: 1167 mSDtfsCounter, 1158 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1158 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:43,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1158 Valid, 1167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:18:43,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2025-01-09 18:18:43,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1564. [2025-01-09 18:18:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1159 states have (on average 1.3761863675582398) internal successors, (1595), 1191 states have internal predecessors, (1595), 318 states have call successors, (318), 87 states have call predecessors, (318), 86 states have return successors, (312), 301 states have call predecessors, (312), 312 states have call successors, (312) [2025-01-09 18:18:43,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2225 transitions. [2025-01-09 18:18:43,978 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2225 transitions. Word has length 18 [2025-01-09 18:18:43,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:43,978 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2225 transitions. [2025-01-09 18:18:43,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:18:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2225 transitions. [2025-01-09 18:18:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-09 18:18:43,983 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:43,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:18:43,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:18:43,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:43,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:43,984 INFO L85 PathProgramCache]: Analyzing trace with hash -734034344, now seen corresponding path program 1 times [2025-01-09 18:18:43,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:43,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946177967] [2025-01-09 18:18:43,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:45,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-09 18:18:45,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-09 18:18:45,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:45,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:46,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:46,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946177967] [2025-01-09 18:18:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946177967] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:46,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:46,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:18:46,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175118824] [2025-01-09 18:18:46,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:46,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:46,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:46,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:46,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:46,060 INFO L87 Difference]: Start difference. First operand 1564 states and 2225 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:50,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:18:50,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:50,337 INFO L93 Difference]: Finished difference Result 4307 states and 6124 transitions. [2025-01-09 18:18:50,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:50,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2025-01-09 18:18:50,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:50,406 INFO L225 Difference]: With dead ends: 4307 [2025-01-09 18:18:50,410 INFO L226 Difference]: Without dead ends: 2746 [2025-01-09 18:18:50,415 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 18:18:50,417 INFO L435 NwaCegarLoop]: 1287 mSDtfsCounter, 1124 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:50,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 2198 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-01-09 18:18:50,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2025-01-09 18:18:50,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2720. [2025-01-09 18:18:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 1981 states have (on average 1.375567895002524) internal successors, (2725), 2038 states have internal predecessors, (2725), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2025-01-09 18:18:50,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 3869 transitions. [2025-01-09 18:18:50,555 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 3869 transitions. Word has length 21 [2025-01-09 18:18:50,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:50,555 INFO L471 AbstractCegarLoop]: Abstraction has 2720 states and 3869 transitions. [2025-01-09 18:18:50,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3869 transitions. [2025-01-09 18:18:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-09 18:18:50,558 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:50,558 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 18:18:50,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:18:50,558 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:50,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1607204849, now seen corresponding path program 1 times [2025-01-09 18:18:50,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:50,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175459532] [2025-01-09 18:18:50,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:50,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:52,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-09 18:18:52,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-09 18:18:52,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:52,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:52,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:52,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175459532] [2025-01-09 18:18:52,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175459532] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:52,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:18:52,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:18:52,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339601548] [2025-01-09 18:18:52,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:52,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:52,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:52,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:52,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:18:52,946 INFO L87 Difference]: Start difference. First operand 2720 states and 3869 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:53,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:53,240 INFO L93 Difference]: Finished difference Result 5457 states and 7765 transitions. [2025-01-09 18:18:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:53,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-09 18:18:53,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:53,262 INFO L225 Difference]: With dead ends: 5457 [2025-01-09 18:18:53,263 INFO L226 Difference]: Without dead ends: 2740 [2025-01-09 18:18:53,271 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 18:18:53,273 INFO L435 NwaCegarLoop]: 1164 mSDtfsCounter, 13 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:53,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2325 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:18:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2025-01-09 18:18:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 2722. [2025-01-09 18:18:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 1983 states have (on average 1.3751891074130105) internal successors, (2727), 2040 states have internal predecessors, (2727), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2025-01-09 18:18:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3871 transitions. [2025-01-09 18:18:53,372 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3871 transitions. Word has length 30 [2025-01-09 18:18:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:53,373 INFO L471 AbstractCegarLoop]: Abstraction has 2722 states and 3871 transitions. [2025-01-09 18:18:53,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3871 transitions. [2025-01-09 18:18:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-09 18:18:53,375 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:53,375 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:53,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:18:53,376 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash -654834728, now seen corresponding path program 1 times [2025-01-09 18:18:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174812763] [2025-01-09 18:18:53,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:53,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:18:55,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-09 18:18:55,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-09 18:18:55,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:55,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:55,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:18:55,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:18:55,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174812763] [2025-01-09 18:18:55,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174812763] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:18:55,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457932923] [2025-01-09 18:18:55,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:55,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:18:55,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:18:55,580 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 18:18:55,581 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 18:18:57,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-09 18:18:58,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-09 18:18:58,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:18:58,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:18:58,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 6664 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:18:58,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:18:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:18:58,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:18:58,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457932923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:18:58,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:18:58,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:18:58,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420555014] [2025-01-09 18:18:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:18:58,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:18:58,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:18:58,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:18:58,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:18:58,503 INFO L87 Difference]: Start difference. First operand 2722 states and 3871 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:58,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:18:58,635 INFO L93 Difference]: Finished difference Result 5475 states and 7793 transitions. [2025-01-09 18:18:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:18:58,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-01-09 18:18:58,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:18:58,651 INFO L225 Difference]: With dead ends: 5475 [2025-01-09 18:18:58,651 INFO L226 Difference]: Without dead ends: 2756 [2025-01-09 18:18:58,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:18:58,661 INFO L435 NwaCegarLoop]: 1172 mSDtfsCounter, 15 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2330 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:18:58,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2330 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:18:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2025-01-09 18:18:58,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2726. [2025-01-09 18:18:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 1987 states have (on average 1.3744338198288877) internal successors, (2731), 2044 states have internal predecessors, (2731), 575 states have call successors, (575), 164 states have call predecessors, (575), 163 states have return successors, (569), 549 states have call predecessors, (569), 569 states have call successors, (569) [2025-01-09 18:18:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3875 transitions. [2025-01-09 18:18:58,745 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3875 transitions. Word has length 34 [2025-01-09 18:18:58,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:18:58,745 INFO L471 AbstractCegarLoop]: Abstraction has 2726 states and 3875 transitions. [2025-01-09 18:18:58,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:18:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3875 transitions. [2025-01-09 18:18:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-09 18:18:58,749 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:18:58,749 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:58,769 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 18:18:58,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:18:58,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:18:58,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:18:58,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1950105982, now seen corresponding path program 1 times [2025-01-09 18:18:58,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:18:58,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348344149] [2025-01-09 18:18:58,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:18:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:00,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-09 18:19:00,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-09 18:19:00,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:00,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:01,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:01,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348344149] [2025-01-09 18:19:01,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348344149] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:01,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010315232] [2025-01-09 18:19:01,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:01,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:01,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:01,118 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 18:19:01,120 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 18:19:03,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-09 18:19:03,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-09 18:19:03,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:03,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:03,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 6739 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:03,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:03,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:03,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010315232] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:03,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:03,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:03,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565815984] [2025-01-09 18:19:03,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:03,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:03,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:03,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:03,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:03,905 INFO L87 Difference]: Start difference. First operand 2726 states and 3875 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 18:19:04,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:04,008 INFO L93 Difference]: Finished difference Result 5477 states and 7793 transitions. [2025-01-09 18:19:04,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:04,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2025-01-09 18:19:04,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:04,024 INFO L225 Difference]: With dead ends: 5477 [2025-01-09 18:19:04,025 INFO L226 Difference]: Without dead ends: 2754 [2025-01-09 18:19:04,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:04,036 INFO L435 NwaCegarLoop]: 1165 mSDtfsCounter, 21 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:04,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2313 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2025-01-09 18:19:04,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2754. [2025-01-09 18:19:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2009 states have (on average 1.375311100049776) internal successors, (2763), 2066 states have internal predecessors, (2763), 581 states have call successors, (581), 164 states have call predecessors, (581), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2025-01-09 18:19:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3919 transitions. [2025-01-09 18:19:04,128 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3919 transitions. Word has length 39 [2025-01-09 18:19:04,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:04,129 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3919 transitions. [2025-01-09 18:19:04,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 18:19:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3919 transitions. [2025-01-09 18:19:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-09 18:19:04,132 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:04,132 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:04,150 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 18:19:04,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:04,335 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:04,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:04,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1616305667, now seen corresponding path program 1 times [2025-01-09 18:19:04,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:04,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854145592] [2025-01-09 18:19:04,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:04,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:06,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 18:19:06,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 18:19:06,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:06,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:06,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854145592] [2025-01-09 18:19:06,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854145592] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38313837] [2025-01-09 18:19:06,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:06,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:06,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:06,530 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 18:19:06,537 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 18:19:08,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 18:19:09,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 18:19:09,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:09,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:09,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:19:09,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:09,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:09,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38313837] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:09,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:09,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:09,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210975399] [2025-01-09 18:19:09,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:09,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:09,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:09,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:09,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:09,544 INFO L87 Difference]: Start difference. First operand 2754 states and 3919 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:09,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:09,652 INFO L93 Difference]: Finished difference Result 5507 states and 7839 transitions. [2025-01-09 18:19:09,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:09,653 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2025-01-09 18:19:09,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:09,668 INFO L225 Difference]: With dead ends: 5507 [2025-01-09 18:19:09,669 INFO L226 Difference]: Without dead ends: 2756 [2025-01-09 18:19:09,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:09,680 INFO L435 NwaCegarLoop]: 1167 mSDtfsCounter, 0 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:09,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2328 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:09,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2025-01-09 18:19:09,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2756. [2025-01-09 18:19:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2011 states have (on average 1.3749378418697165) internal successors, (2765), 2068 states have internal predecessors, (2765), 581 states have call successors, (581), 164 states have call predecessors, (581), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2025-01-09 18:19:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3921 transitions. [2025-01-09 18:19:09,794 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3921 transitions. Word has length 50 [2025-01-09 18:19:09,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:09,797 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 3921 transitions. [2025-01-09 18:19:09,797 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3921 transitions. [2025-01-09 18:19:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-09 18:19:09,800 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:09,800 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:09,821 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 18:19:10,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:10,005 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:10,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:10,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1358140229, now seen corresponding path program 1 times [2025-01-09 18:19:10,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:10,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723711076] [2025-01-09 18:19:10,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:10,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:11,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 18:19:11,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 18:19:11,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:11,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:11,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:11,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723711076] [2025-01-09 18:19:11,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723711076] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:11,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037653223] [2025-01-09 18:19:11,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:11,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:11,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:11,990 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 18:19:11,991 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 18:19:14,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 18:19:15,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 18:19:15,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:15,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:15,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 6832 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:15,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:15,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:15,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037653223] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:15,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:15,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:15,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143733265] [2025-01-09 18:19:15,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:15,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:15,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:15,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:15,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:15,251 INFO L87 Difference]: Start difference. First operand 2756 states and 3921 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:15,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:15,425 INFO L93 Difference]: Finished difference Result 2778 states and 3947 transitions. [2025-01-09 18:19:15,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:15,425 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2025-01-09 18:19:15,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:15,438 INFO L225 Difference]: With dead ends: 2778 [2025-01-09 18:19:15,438 INFO L226 Difference]: Without dead ends: 2767 [2025-01-09 18:19:15,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:15,439 INFO L435 NwaCegarLoop]: 1180 mSDtfsCounter, 1163 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:15,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1193 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:19:15,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2025-01-09 18:19:15,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2756. [2025-01-09 18:19:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 2011 states have (on average 1.374440576827449) internal successors, (2764), 2068 states have internal predecessors, (2764), 581 states have call successors, (581), 164 states have call predecessors, (581), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2025-01-09 18:19:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 3920 transitions. [2025-01-09 18:19:15,523 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 3920 transitions. Word has length 50 [2025-01-09 18:19:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:15,524 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 3920 transitions. [2025-01-09 18:19:15,525 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3920 transitions. [2025-01-09 18:19:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-09 18:19:15,527 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:15,527 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:15,546 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 18:19:15,731 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,SelfDestructingSolverStorable7 [2025-01-09 18:19:15,731 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:15,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1415398531, now seen corresponding path program 1 times [2025-01-09 18:19:15,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:15,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106935956] [2025-01-09 18:19:15,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:17,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 18:19:17,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 18:19:17,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:17,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:17,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:17,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106935956] [2025-01-09 18:19:17,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106935956] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:17,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357070092] [2025-01-09 18:19:17,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:17,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:17,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:17,577 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 18:19:17,579 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 18:19:19,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 18:19:20,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 18:19:20,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:20,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:20,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 6823 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:20,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:20,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:20,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357070092] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:20,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:20,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:20,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423210008] [2025-01-09 18:19:20,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:20,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:20,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:20,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:20,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:20,678 INFO L87 Difference]: Start difference. First operand 2756 states and 3920 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:24,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:24,843 INFO L93 Difference]: Finished difference Result 2758 states and 3921 transitions. [2025-01-09 18:19:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:24,844 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2025-01-09 18:19:24,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:24,855 INFO L225 Difference]: With dead ends: 2758 [2025-01-09 18:19:24,855 INFO L226 Difference]: Without dead ends: 2755 [2025-01-09 18:19:24,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:24,856 INFO L435 NwaCegarLoop]: 1165 mSDtfsCounter, 1119 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:24,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 1165 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:19:24,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2025-01-09 18:19:24,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2755. [2025-01-09 18:19:24,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2011 states have (on average 1.3739433117851816) internal successors, (2763), 2067 states have internal predecessors, (2763), 580 states have call successors, (580), 164 states have call predecessors, (580), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2025-01-09 18:19:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3918 transitions. [2025-01-09 18:19:24,927 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3918 transitions. Word has length 50 [2025-01-09 18:19:24,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:24,928 INFO L471 AbstractCegarLoop]: Abstraction has 2755 states and 3918 transitions. [2025-01-09 18:19:24,928 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3918 transitions. [2025-01-09 18:19:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-09 18:19:24,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:24,930 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:24,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:25,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:25,131 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:25,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:25,132 INFO L85 PathProgramCache]: Analyzing trace with hash 927342379, now seen corresponding path program 1 times [2025-01-09 18:19:25,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:25,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296493466] [2025-01-09 18:19:25,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:25,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:26,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-09 18:19:26,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-09 18:19:26,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:26,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:27,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296493466] [2025-01-09 18:19:27,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296493466] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833542391] [2025-01-09 18:19:27,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:27,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:27,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:27,049 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 18:19:27,051 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 18:19:29,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-09 18:19:29,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-09 18:19:29,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:29,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:29,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 6825 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:29,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:30,194 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:30,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833542391] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:30,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:30,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:30,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018149099] [2025-01-09 18:19:30,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:30,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:30,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:30,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:30,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:30,196 INFO L87 Difference]: Start difference. First operand 2755 states and 3918 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:34,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:34,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:34,357 INFO L93 Difference]: Finished difference Result 2757 states and 3919 transitions. [2025-01-09 18:19:34,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:34,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-01-09 18:19:34,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:34,368 INFO L225 Difference]: With dead ends: 2757 [2025-01-09 18:19:34,368 INFO L226 Difference]: Without dead ends: 2754 [2025-01-09 18:19:34,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:34,370 INFO L435 NwaCegarLoop]: 1163 mSDtfsCounter, 1116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:34,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 1163 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:19:34,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2025-01-09 18:19:34,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 2754. [2025-01-09 18:19:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2011 states have (on average 1.373446046742914) internal successors, (2762), 2066 states have internal predecessors, (2762), 579 states have call successors, (579), 164 states have call predecessors, (579), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2025-01-09 18:19:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3916 transitions. [2025-01-09 18:19:34,448 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3916 transitions. Word has length 51 [2025-01-09 18:19:34,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:34,448 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3916 transitions. [2025-01-09 18:19:34,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3916 transitions. [2025-01-09 18:19:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-09 18:19:34,450 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:34,450 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:34,470 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 18:19:34,650 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,SelfDestructingSolverStorable9 [2025-01-09 18:19:34,651 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:34,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:34,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1317491578, now seen corresponding path program 1 times [2025-01-09 18:19:34,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:34,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914544150] [2025-01-09 18:19:34,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:34,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:36,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-09 18:19:36,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-09 18:19:36,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:36,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:36,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:36,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914544150] [2025-01-09 18:19:36,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914544150] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:36,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880702463] [2025-01-09 18:19:36,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:36,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:36,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:36,627 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 18:19:36,632 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 18:19:38,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-09 18:19:39,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-09 18:19:39,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:39,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:39,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:39,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:39,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:39,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880702463] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:39,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:39,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:39,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298766863] [2025-01-09 18:19:39,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:39,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:39,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:39,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:39,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:39,953 INFO L87 Difference]: Start difference. First operand 2754 states and 3916 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:44,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:44,189 INFO L93 Difference]: Finished difference Result 2756 states and 3917 transitions. [2025-01-09 18:19:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:44,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2025-01-09 18:19:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:44,199 INFO L225 Difference]: With dead ends: 2756 [2025-01-09 18:19:44,199 INFO L226 Difference]: Without dead ends: 2753 [2025-01-09 18:19:44,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:44,200 INFO L435 NwaCegarLoop]: 1161 mSDtfsCounter, 1113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:44,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 1161 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-01-09 18:19:44,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2025-01-09 18:19:44,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2753. [2025-01-09 18:19:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 2011 states have (on average 1.3729487817006465) internal successors, (2761), 2065 states have internal predecessors, (2761), 578 states have call successors, (578), 164 states have call predecessors, (578), 163 states have return successors, (575), 555 states have call predecessors, (575), 575 states have call successors, (575) [2025-01-09 18:19:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3914 transitions. [2025-01-09 18:19:44,281 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3914 transitions. Word has length 52 [2025-01-09 18:19:44,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:44,282 INFO L471 AbstractCegarLoop]: Abstraction has 2753 states and 3914 transitions. [2025-01-09 18:19:44,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3914 transitions. [2025-01-09 18:19:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-09 18:19:44,284 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:44,284 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:44,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:44,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:44,488 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:44,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:44,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2107104654, now seen corresponding path program 1 times [2025-01-09 18:19:44,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:44,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877118245] [2025-01-09 18:19:44,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:44,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:46,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-09 18:19:46,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-09 18:19:46,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:46,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:46,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:46,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877118245] [2025-01-09 18:19:46,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877118245] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:46,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623757594] [2025-01-09 18:19:46,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:46,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:46,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:46,625 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 18:19:46,627 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 18:19:48,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-09 18:19:49,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-09 18:19:49,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:49,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:49,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 6829 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:49,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:49,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:49,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623757594] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:49,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:49,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:49,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503693677] [2025-01-09 18:19:49,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:49,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:49,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:49,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:49,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:49,965 INFO L87 Difference]: Start difference. First operand 2753 states and 3914 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)