./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:50:11,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:50:11,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:50:11,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:50:11,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:50:11,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:50:11,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:50:11,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:50:11,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:50:11,193 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:50:11,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:50:11,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:50:11,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:50:11,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:50:11,194 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:50:11,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:50:11,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:50:11,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:50:11,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:50:11,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:50:11,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:50:11,195 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:50:11,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:50:11,195 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:50:11,196 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2025-03-04 03:50:11,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:50:11,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:50:11,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:50:11,414 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:50:11,414 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:50:11,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2025-03-04 03:50:12,507 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f27e07da2/4dd371222cc94dd5a26cc58b56b731d3/FLAG844214637 [2025-03-04 03:50:12,891 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:50:12,892 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2025-03-04 03:50:12,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f27e07da2/4dd371222cc94dd5a26cc58b56b731d3/FLAG844214637 [2025-03-04 03:50:13,077 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f27e07da2/4dd371222cc94dd5a26cc58b56b731d3 [2025-03-04 03:50:13,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:50:13,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:50:13,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:50:13,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:50:13,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:50:13,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:50:13" (1/1) ... [2025-03-04 03:50:13,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8becea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:13, skipping insertion in model container [2025-03-04 03:50:13,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:50:13" (1/1) ... [2025-03-04 03:50:13,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:50:13,855 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2025-03-04 03:50:13,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:50:13,960 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:50:14,172 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i[148417,148430] [2025-03-04 03:50:14,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:50:14,274 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:50:14,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14 WrapperNode [2025-03-04 03:50:14,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:50:14,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:50:14,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:50:14,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:50:14,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,491 INFO L138 Inliner]: procedures = 167, calls = 3358, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 4474 [2025-03-04 03:50:14,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:50:14,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:50:14,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:50:14,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:50:14,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,651 INFO L175 MemorySlicer]: Split 2952 memory accesses to 19 slices as follows [2, 24, 13, 4, 13, 9, 2, 14, 5, 6, 33, 2, 2, 20, 7, 6, 13, 138, 2639]. 89 percent of accesses are in the largest equivalence class. The 2525 initializations are split as follows [2, 0, 13, 4, 13, 0, 0, 14, 5, 0, 24, 0, 0, 20, 4, 6, 0, 0, 2420]. The 294 writes are split as follows [0, 24, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 9, 136, 120]. [2025-03-04 03:50:14,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:50:14,820 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:50:14,821 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:50:14,821 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:50:14,822 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (1/1) ... [2025-03-04 03:50:14,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:50:14,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:50:14,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 03:50:14,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 03:50:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2025-03-04 03:50:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2025-03-04 03:50:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-03-04 03:50:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-03-04 03:50:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-03-04 03:50:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-03-04 03:50:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2025-03-04 03:50:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2025-03-04 03:50:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-03-04 03:50:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-03-04 03:50:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 03:50:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 03:50:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 03:50:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-04 03:50:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2025-03-04 03:50:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2025-03-04 03:50:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2025-03-04 03:50:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2025-03-04 03:50:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 03:50:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 03:50:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 03:50:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-04 03:50:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2025-03-04 03:50:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-03-04 03:50:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-04 03:50:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-04 03:50:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-04 03:50:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-04 03:50:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-03-04 03:50:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-03-04 03:50:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-03-04 03:50:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-04 03:50:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2025-03-04 03:50:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:50:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2025-03-04 03:50:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2025-03-04 03:50:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-04 03:50:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-04 03:50:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2025-03-04 03:50:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2025-03-04 03:50:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-04 03:50:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-04 03:50:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2025-03-04 03:50:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:50:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 03:50:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2025-03-04 03:50:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-04 03:50:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-04 03:50:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:50:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:50:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2025-03-04 03:50:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2025-03-04 03:50:15,361 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:50:15,363 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:50:15,478 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3553: havoc bio_cur_bytes_#t~mem47#1; [2025-03-04 03:50:15,479 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3551: havoc bio_cur_bytes_#t~mem45#1.base, bio_cur_bytes_#t~mem45#1.offset;havoc bio_cur_bytes_#t~mem44#1;havoc bio_cur_bytes_#t~mem46#1; [2025-03-04 03:50:15,479 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3560: havoc blk_rq_pos_#t~mem48#1; [2025-03-04 03:50:15,479 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5997: havoc blk_fetch_request_#t~ret397#1.base, blk_fetch_request_#t~ret397#1.offset; [2025-03-04 03:50:16,332 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5994: havoc #t~malloc396.base, #t~malloc396.offset; [2025-03-04 03:50:16,552 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4158: call ULTIMATE.dealloc(~#un_cmd~0.base, ~#un_cmd~0.offset);havoc ~#un_cmd~0.base, ~#un_cmd~0.offset; [2025-03-04 03:50:16,671 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6004: havoc cdrom_check_events_#t~nondet399#1; [2025-03-04 03:50:16,960 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4957: call ULTIMATE.dealloc(~#cmd~1.base, ~#cmd~1.offset);havoc ~#cmd~1.base, ~#cmd~1.offset;call ULTIMATE.dealloc(~#buffer~2.base, ~#buffer~2.offset);havoc ~#buffer~2.base, ~#buffer~2.offset; [2025-03-04 03:50:17,150 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4392: call ULTIMATE.dealloc(~#id_cmd~0.base, ~#id_cmd~0.offset);havoc ~#id_cmd~0.base, ~#id_cmd~0.offset; [2025-03-04 03:50:17,164 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5971: havoc __blk_end_request_cur_#t~nondet392#1; [2025-03-04 03:50:17,190 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6044: havoc #t~nondet403; [2025-03-04 03:50:17,192 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6051: havoc #t~nondet404; [2025-03-04 03:50:17,194 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6064: havoc #t~nondet405; [2025-03-04 03:50:17,195 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5978: havoc #t~nondet393; [2025-03-04 03:50:17,241 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4222: call ULTIMATE.dealloc(~#expect~0.base, ~#expect~0.offset);havoc ~#expect~0.base, ~#expect~0.offset; [2025-03-04 03:50:18,181 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4352: call ULTIMATE.dealloc(~#rc_cmd~0#1.base, ~#rc_cmd~0#1.offset);havoc ~#rc_cmd~0#1.base, ~#rc_cmd~0#1.offset; [2025-03-04 03:50:18,182 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4303: call ULTIMATE.dealloc(pcd_ready_wait_~#tr_cmd~0#1.base, pcd_ready_wait_~#tr_cmd~0#1.offset);havoc pcd_ready_wait_~#tr_cmd~0#1.base, pcd_ready_wait_~#tr_cmd~0#1.offset; [2025-03-04 03:50:18,373 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4185: call ULTIMATE.dealloc(~#ej_cmd~0.base, ~#ej_cmd~0.offset);havoc ~#ej_cmd~0.base, ~#ej_cmd~0.offset; [2025-03-04 03:50:18,555 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4756: call ULTIMATE.dealloc(pcd_start_~#rd_cmd~0#1.base, pcd_start_~#rd_cmd~0#1.offset);havoc pcd_start_~#rd_cmd~0#1.base, pcd_start_~#rd_cmd~0#1.offset; [2025-03-04 03:50:18,558 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6083: havoc schedule_timeout_interruptible_#t~nondet409#1; [2025-03-04 03:50:18,830 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: call ULTIMATE.dealloc(pcd_req_sense_~#rs_cmd~0#1.base, pcd_req_sense_~#rs_cmd~0#1.offset);havoc pcd_req_sense_~#rs_cmd~0#1.base, pcd_req_sense_~#rs_cmd~0#1.offset;call ULTIMATE.dealloc(pcd_req_sense_~#buf~0#1.base, pcd_req_sense_~#buf~0#1.offset);havoc pcd_req_sense_~#buf~0#1.base, pcd_req_sense_~#buf~0#1.offset; [2025-03-04 03:50:18,914 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6079: havoc #t~nondet408; [2025-03-04 03:50:18,925 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6008: havoc cdrom_ioctl_#t~nondet400#1; [2025-03-04 03:50:25,941 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4502: call ULTIMATE.dealloc(pcd_probe_capabilities_~#buffer~0#1.base, pcd_probe_capabilities_~#buffer~0#1.offset);havoc pcd_probe_capabilities_~#buffer~0#1.base, pcd_probe_capabilities_~#buffer~0#1.offset;call ULTIMATE.dealloc(pcd_probe_capabilities_~#cmd~0#1.base, pcd_probe_capabilities_~#cmd~0#1.offset);havoc pcd_probe_capabilities_~#cmd~0#1.base, pcd_probe_capabilities_~#cmd~0#1.offset; [2025-03-04 03:50:25,941 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4569: call ULTIMATE.dealloc(pcd_detect_~#id~0#1.base, pcd_detect_~#id~0#1.offset);havoc pcd_detect_~#id~0#1.base, pcd_detect_~#id~0#1.offset; [2025-03-04 03:50:25,942 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6000: havoc blk_init_queue_#t~ret398#1.base, blk_init_queue_#t~ret398#1.offset; [2025-03-04 03:50:25,942 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6071: havoc register_blkdev_#t~nondet406#1; [2025-03-04 03:50:25,942 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6075: havoc register_cdrom_#t~nondet407#1; [2025-03-04 03:50:25,942 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4721: havoc pcd_ready_#t~bitwise289#1; [2025-03-04 03:50:25,942 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6012: havoc cdrom_open_#t~nondet401#1; [2025-03-04 03:50:26,281 INFO L? ?]: Removed 969 outVars from TransFormulas that were not future-live. [2025-03-04 03:50:26,282 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:50:26,321 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:50:26,324 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:50:26,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:50:26 BoogieIcfgContainer [2025-03-04 03:50:26,324 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:50:26,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:50:26,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:50:26,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:50:26,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:50:13" (1/3) ... [2025-03-04 03:50:26,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcc2bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:50:26, skipping insertion in model container [2025-03-04 03:50:26,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:50:14" (2/3) ... [2025-03-04 03:50:26,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcc2bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:50:26, skipping insertion in model container [2025-03-04 03:50:26,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:50:26" (3/3) ... [2025-03-04 03:50:26,332 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2025-03-04 03:50:26,342 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:50:26,345 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, 940 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2025-03-04 03:50:26,407 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:50:26,416 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;@1c871732, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:50:26,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:50:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 850 states, 626 states have (on average 1.3945686900958467) internal successors, (873), 655 states have internal predecessors, (873), 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) [2025-03-04 03:50:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-04 03:50:26,433 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:26,433 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:50:26,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:26,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash -613574588, now seen corresponding path program 1 times [2025-03-04 03:50:26,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:26,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137227846] [2025-03-04 03:50:26,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:28,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-04 03:50:28,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-04 03:50:28,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:28,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:28,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137227846] [2025-03-04 03:50:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137227846] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:28,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:50:28,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:50:28,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704228925] [2025-03-04 03:50:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:28,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:28,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:28,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:28,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:28,967 INFO L87 Difference]: Start difference. First operand has 850 states, 626 states have (on average 1.3945686900958467) internal successors, (873), 655 states have internal predecessors, (873), 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) [2025-03-04 03:50:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:29,451 INFO L93 Difference]: Finished difference Result 2441 states and 3602 transitions. [2025-03-04 03:50:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:29,452 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 [2025-03-04 03:50:29,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:29,473 INFO L225 Difference]: With dead ends: 2441 [2025-03-04 03:50:29,474 INFO L226 Difference]: Without dead ends: 1586 [2025-03-04 03:50:29,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:29,482 INFO L435 NwaCegarLoop]: 1177 mSDtfsCounter, 1076 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 2312 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:29,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 2312 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 03:50:29,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2025-03-04 03:50:29,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1574. [2025-03-04 03:50:29,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1169 states have (on average 1.3746792130025662) internal successors, (1607), 1201 states have internal predecessors, (1607), 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) [2025-03-04 03:50:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2237 transitions. [2025-03-04 03:50:29,586 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2237 transitions. Word has length 16 [2025-03-04 03:50:29,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:29,588 INFO L471 AbstractCegarLoop]: Abstraction has 1574 states and 2237 transitions. [2025-03-04 03:50:29,588 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) [2025-03-04 03:50:29,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2237 transitions. [2025-03-04 03:50:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-04 03:50:29,591 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:29,592 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:50:29,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 03:50:29,592 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:29,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash 744565769, now seen corresponding path program 1 times [2025-03-04 03:50:29,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:29,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705490167] [2025-03-04 03:50:29,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:29,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:31,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-04 03:50:31,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-04 03:50:31,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:31,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:31,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:31,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705490167] [2025-03-04 03:50:31,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705490167] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:31,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:50:31,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 03:50:31,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442081500] [2025-03-04 03:50:31,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:31,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:31,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:31,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:31,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:31,580 INFO L87 Difference]: Start difference. First operand 1574 states and 2237 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) [2025-03-04 03:50:31,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:31,735 INFO L93 Difference]: Finished difference Result 3145 states and 4471 transitions. [2025-03-04 03:50:31,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:31,735 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 [2025-03-04 03:50:31,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:31,747 INFO L225 Difference]: With dead ends: 3145 [2025-03-04 03:50:31,747 INFO L226 Difference]: Without dead ends: 1574 [2025-03-04 03:50:31,752 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 [2025-03-04 03:50:31,753 INFO L435 NwaCegarLoop]: 1153 mSDtfsCounter, 1163 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:31,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 1153 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 03:50:31,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2025-03-04 03:50:31,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1574. [2025-03-04 03:50:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1574 states, 1169 states have (on average 1.3729683490162532) internal successors, (1605), 1201 states have internal predecessors, (1605), 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) [2025-03-04 03:50:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 2235 transitions. [2025-03-04 03:50:31,819 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 2235 transitions. Word has length 18 [2025-03-04 03:50:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:31,820 INFO L471 AbstractCegarLoop]: Abstraction has 1574 states and 2235 transitions. [2025-03-04 03:50:31,820 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) [2025-03-04 03:50:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2235 transitions. [2025-03-04 03:50:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-04 03:50:31,823 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:31,823 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] [2025-03-04 03:50:31,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 03:50:31,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:31,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:31,824 INFO L85 PathProgramCache]: Analyzing trace with hash 299737041, now seen corresponding path program 1 times [2025-03-04 03:50:31,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:31,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940653610] [2025-03-04 03:50:31,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:31,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:33,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 03:50:33,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 03:50:33,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:33,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:34,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:34,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940653610] [2025-03-04 03:50:34,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940653610] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:34,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:50:34,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:50:34,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038749979] [2025-03-04 03:50:34,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:34,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:34,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:34,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:34,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:34,066 INFO L87 Difference]: Start difference. First operand 1574 states and 2235 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) [2025-03-04 03:50:38,160 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 [] [2025-03-04 03:50:38,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:38,502 INFO L93 Difference]: Finished difference Result 4337 states and 6154 transitions. [2025-03-04 03:50:38,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:38,503 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 [2025-03-04 03:50:38,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:38,520 INFO L225 Difference]: With dead ends: 4337 [2025-03-04 03:50:38,520 INFO L226 Difference]: Without dead ends: 2766 [2025-03-04 03:50:38,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:38,527 INFO L435 NwaCegarLoop]: 1273 mSDtfsCounter, 1129 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:38,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 2177 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-04 03:50:38,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2025-03-04 03:50:38,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2740. [2025-03-04 03:50:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2001 states have (on average 1.3718140929535232) internal successors, (2745), 2058 states have internal predecessors, (2745), 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) [2025-03-04 03:50:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 3889 transitions. [2025-03-04 03:50:38,628 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 3889 transitions. Word has length 21 [2025-03-04 03:50:38,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:38,628 INFO L471 AbstractCegarLoop]: Abstraction has 2740 states and 3889 transitions. [2025-03-04 03:50:38,628 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) [2025-03-04 03:50:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3889 transitions. [2025-03-04 03:50:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-04 03:50:38,631 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:38,631 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] [2025-03-04 03:50:38,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 03:50:38,631 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:38,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:38,632 INFO L85 PathProgramCache]: Analyzing trace with hash 750757474, now seen corresponding path program 1 times [2025-03-04 03:50:38,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:38,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171072829] [2025-03-04 03:50:38,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:38,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:40,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-04 03:50:40,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-04 03:50:40,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:40,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:40,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:40,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171072829] [2025-03-04 03:50:40,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171072829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:40,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 03:50:40,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 03:50:40,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213655235] [2025-03-04 03:50:40,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:40,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:40,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:40,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:40,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:40,732 INFO L87 Difference]: Start difference. First operand 2740 states and 3889 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) [2025-03-04 03:50:41,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:41,215 INFO L93 Difference]: Finished difference Result 5497 states and 7805 transitions. [2025-03-04 03:50:41,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:41,215 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 [2025-03-04 03:50:41,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:41,230 INFO L225 Difference]: With dead ends: 5497 [2025-03-04 03:50:41,230 INFO L226 Difference]: Without dead ends: 2760 [2025-03-04 03:50:41,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 03:50:41,241 INFO L435 NwaCegarLoop]: 1150 mSDtfsCounter, 13 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:41,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2297 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 03:50:41,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2025-03-04 03:50:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2742. [2025-03-04 03:50:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2742 states, 2003 states have (on average 1.3714428357463804) internal successors, (2747), 2060 states have internal predecessors, (2747), 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) [2025-03-04 03:50:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2742 states and 3891 transitions. [2025-03-04 03:50:41,336 INFO L78 Accepts]: Start accepts. Automaton has 2742 states and 3891 transitions. Word has length 30 [2025-03-04 03:50:41,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:41,337 INFO L471 AbstractCegarLoop]: Abstraction has 2742 states and 3891 transitions. [2025-03-04 03:50:41,337 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) [2025-03-04 03:50:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3891 transitions. [2025-03-04 03:50:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-04 03:50:41,339 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:41,339 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] [2025-03-04 03:50:41,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 03:50:41,339 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:41,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:41,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1936616291, now seen corresponding path program 1 times [2025-03-04 03:50:41,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:41,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008795201] [2025-03-04 03:50:41,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:41,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:42,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-04 03:50:42,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-04 03:50:42,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:42,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:43,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:43,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008795201] [2025-03-04 03:50:43,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008795201] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:50:43,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454277095] [2025-03-04 03:50:43,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:43,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:50:43,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:50:43,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:50:43,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 03:50:45,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-04 03:50:45,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-04 03:50:45,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:45,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:45,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 6664 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 03:50:45,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:50:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:50:45,973 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:50:45,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454277095] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:45,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:50:45,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:50:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772642166] [2025-03-04 03:50:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:45,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:45,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:45,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:45,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:50:45,975 INFO L87 Difference]: Start difference. First operand 2742 states and 3891 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) [2025-03-04 03:50:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:46,258 INFO L93 Difference]: Finished difference Result 5515 states and 7833 transitions. [2025-03-04 03:50:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:46,259 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 [2025-03-04 03:50:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:46,273 INFO L225 Difference]: With dead ends: 5515 [2025-03-04 03:50:46,273 INFO L226 Difference]: Without dead ends: 2776 [2025-03-04 03:50:46,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:50:46,283 INFO L435 NwaCegarLoop]: 1158 mSDtfsCounter, 15 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:46,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2302 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 03:50:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2025-03-04 03:50:46,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2746. [2025-03-04 03:50:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2007 states have (on average 1.3707025411061287) internal successors, (2751), 2064 states have internal predecessors, (2751), 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) [2025-03-04 03:50:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3895 transitions. [2025-03-04 03:50:46,368 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3895 transitions. Word has length 34 [2025-03-04 03:50:46,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:46,369 INFO L471 AbstractCegarLoop]: Abstraction has 2746 states and 3895 transitions. [2025-03-04 03:50:46,369 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) [2025-03-04 03:50:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3895 transitions. [2025-03-04 03:50:46,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-04 03:50:46,371 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:46,371 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] [2025-03-04 03:50:46,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 03:50:46,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:50:46,572 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:46,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:46,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2091315131, now seen corresponding path program 1 times [2025-03-04 03:50:46,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:46,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811945012] [2025-03-04 03:50:46,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:46,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:48,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 03:50:48,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 03:50:48,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:48,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:48,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:48,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811945012] [2025-03-04 03:50:48,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811945012] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:50:48,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747053701] [2025-03-04 03:50:48,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:48,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:50:48,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:50:48,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:50:48,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 03:50:50,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 03:50:50,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 03:50:50,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:50,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:50,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 6739 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 03:50:50,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:50:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:50:50,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:50:50,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747053701] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:50,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:50:50,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:50:50,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247417430] [2025-03-04 03:50:50,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:50,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:50,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:50,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:50:50,969 INFO L87 Difference]: Start difference. First operand 2746 states and 3895 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) [2025-03-04 03:50:51,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:51,232 INFO L93 Difference]: Finished difference Result 5517 states and 7833 transitions. [2025-03-04 03:50:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:51,233 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 [2025-03-04 03:50:51,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:51,248 INFO L225 Difference]: With dead ends: 5517 [2025-03-04 03:50:51,248 INFO L226 Difference]: Without dead ends: 2774 [2025-03-04 03:50:51,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:50:51,258 INFO L435 NwaCegarLoop]: 1151 mSDtfsCounter, 21 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2285 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:51,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2285 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 03:50:51,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2025-03-04 03:50:51,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2774. [2025-03-04 03:50:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2029 states have (on average 1.3716116313454905) internal successors, (2783), 2086 states have internal predecessors, (2783), 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) [2025-03-04 03:50:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3939 transitions. [2025-03-04 03:50:51,351 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3939 transitions. Word has length 39 [2025-03-04 03:50:51,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:51,351 INFO L471 AbstractCegarLoop]: Abstraction has 2774 states and 3939 transitions. [2025-03-04 03:50:51,352 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) [2025-03-04 03:50:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3939 transitions. [2025-03-04 03:50:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-04 03:50:51,356 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:51,356 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] [2025-03-04 03:50:51,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-04 03:50:51,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-04 03:50:51,557 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:51,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:51,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1588486652, now seen corresponding path program 1 times [2025-03-04 03:50:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:51,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217683724] [2025-03-04 03:50:51,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:51,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:53,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 03:50:53,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 03:50:53,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:53,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:53,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:53,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217683724] [2025-03-04 03:50:53,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217683724] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:50:53,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689873814] [2025-03-04 03:50:53,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:53,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:50:53,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:50:53,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:50:53,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 03:50:55,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 03:50:56,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 03:50:56,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:56,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:56,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 6832 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 03:50:56,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:50:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:50:56,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:50:56,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689873814] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:50:56,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:50:56,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:50:56,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671696047] [2025-03-04 03:50:56,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:50:56,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:50:56,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:50:56,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:50:56,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:50:56,174 INFO L87 Difference]: Start difference. First operand 2774 states and 3939 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) [2025-03-04 03:50:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:50:56,399 INFO L93 Difference]: Finished difference Result 2796 states and 3965 transitions. [2025-03-04 03:50:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:50:56,399 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 [2025-03-04 03:50:56,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:50:56,411 INFO L225 Difference]: With dead ends: 2796 [2025-03-04 03:50:56,411 INFO L226 Difference]: Without dead ends: 2785 [2025-03-04 03:50:56,412 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 [2025-03-04 03:50:56,412 INFO L435 NwaCegarLoop]: 1166 mSDtfsCounter, 1168 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:50:56,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1179 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 03:50:56,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2025-03-04 03:50:56,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2774. [2025-03-04 03:50:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2029 states have (on average 1.3711187777230163) internal successors, (2782), 2086 states have internal predecessors, (2782), 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) [2025-03-04 03:50:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3938 transitions. [2025-03-04 03:50:56,486 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3938 transitions. Word has length 50 [2025-03-04 03:50:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:50:56,487 INFO L471 AbstractCegarLoop]: Abstraction has 2774 states and 3938 transitions. [2025-03-04 03:50:56,487 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) [2025-03-04 03:50:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3938 transitions. [2025-03-04 03:50:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-04 03:50:56,491 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:50:56,491 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] [2025-03-04 03:50:56,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-04 03:50:56,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:50:56,691 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:50:56,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:50:56,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1617115803, now seen corresponding path program 1 times [2025-03-04 03:50:56,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:50:56,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995615375] [2025-03-04 03:50:56,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:50:58,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 03:50:58,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 03:50:58,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:50:58,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:50:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:50:58,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:50:58,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995615375] [2025-03-04 03:50:58,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995615375] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:50:58,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415424484] [2025-03-04 03:50:58,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:50:58,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:50:58,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:50:58,881 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:50:58,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 03:51:00,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 03:51:01,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 03:51:01,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:01,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:01,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 6823 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 03:51:01,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:51:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:51:02,061 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:51:02,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415424484] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:02,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:51:02,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:51:02,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067565644] [2025-03-04 03:51:02,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:02,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:02,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:02,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:02,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:02,062 INFO L87 Difference]: Start difference. First operand 2774 states and 3938 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) [2025-03-04 03:51:06,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 03:51:06,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:06,308 INFO L93 Difference]: Finished difference Result 2776 states and 3939 transitions. [2025-03-04 03:51:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:06,309 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 [2025-03-04 03:51:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:06,323 INFO L225 Difference]: With dead ends: 2776 [2025-03-04 03:51:06,323 INFO L226 Difference]: Without dead ends: 2773 [2025-03-04 03:51:06,324 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 [2025-03-04 03:51:06,325 INFO L435 NwaCegarLoop]: 1151 mSDtfsCounter, 1124 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:51:06,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 1151 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-04 03:51:06,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2025-03-04 03:51:06,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2773. [2025-03-04 03:51:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 2029 states have (on average 1.370625924100542) internal successors, (2781), 2085 states have internal predecessors, (2781), 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) [2025-03-04 03:51:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3936 transitions. [2025-03-04 03:51:06,417 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3936 transitions. Word has length 50 [2025-03-04 03:51:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:06,417 INFO L471 AbstractCegarLoop]: Abstraction has 2773 states and 3936 transitions. [2025-03-04 03:51:06,419 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) [2025-03-04 03:51:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3936 transitions. [2025-03-04 03:51:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-04 03:51:06,421 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:06,421 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] [2025-03-04 03:51:06,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-04 03:51:06,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:06,622 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:06,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:06,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1409800453, now seen corresponding path program 1 times [2025-03-04 03:51:06,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:06,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433566863] [2025-03-04 03:51:06,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:06,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:08,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 03:51:08,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 03:51:08,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:08,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:08,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:08,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433566863] [2025-03-04 03:51:08,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433566863] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:51:08,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974532979] [2025-03-04 03:51:08,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:08,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:08,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:51:08,594 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:51:08,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-04 03:51:10,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-04 03:51:11,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-04 03:51:11,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:11,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:11,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 6825 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 03:51:11,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:51:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:51:11,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:51:11,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974532979] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:11,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:51:11,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:51:11,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18865868] [2025-03-04 03:51:11,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:11,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:11,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:11,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:11,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:11,337 INFO L87 Difference]: Start difference. First operand 2773 states and 3936 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) [2025-03-04 03:51:15,415 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 [] [2025-03-04 03:51:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:15,587 INFO L93 Difference]: Finished difference Result 2775 states and 3937 transitions. [2025-03-04 03:51:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:15,588 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 [2025-03-04 03:51:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:15,600 INFO L225 Difference]: With dead ends: 2775 [2025-03-04 03:51:15,600 INFO L226 Difference]: Without dead ends: 2772 [2025-03-04 03:51:15,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:15,602 INFO L435 NwaCegarLoop]: 1149 mSDtfsCounter, 1121 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:51:15,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 1149 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-04 03:51:15,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2025-03-04 03:51:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2772. [2025-03-04 03:51:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2029 states have (on average 1.370133070478068) internal successors, (2780), 2084 states have internal predecessors, (2780), 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) [2025-03-04 03:51:15,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3934 transitions. [2025-03-04 03:51:15,680 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3934 transitions. Word has length 51 [2025-03-04 03:51:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:15,681 INFO L471 AbstractCegarLoop]: Abstraction has 2772 states and 3934 transitions. [2025-03-04 03:51:15,684 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) [2025-03-04 03:51:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3934 transitions. [2025-03-04 03:51:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-04 03:51:15,686 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:15,686 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] [2025-03-04 03:51:15,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-04 03:51:15,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:15,887 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:15,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:15,887 INFO L85 PathProgramCache]: Analyzing trace with hash -754924900, now seen corresponding path program 1 times [2025-03-04 03:51:15,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:15,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534793551] [2025-03-04 03:51:15,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:15,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:17,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 03:51:17,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 03:51:17,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:17,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:17,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:17,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534793551] [2025-03-04 03:51:17,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534793551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:51:17,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133637582] [2025-03-04 03:51:17,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:17,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:17,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:51:17,902 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:51:17,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-04 03:51:19,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 03:51:20,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 03:51:20,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:20,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:20,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 6827 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 03:51:20,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:51:20,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:51:20,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:51:20,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133637582] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:20,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:51:20,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:51:20,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981295216] [2025-03-04 03:51:20,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:20,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:20,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:20,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:20,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:20,965 INFO L87 Difference]: Start difference. First operand 2772 states and 3934 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) [2025-03-04 03:51:25,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 03:51:25,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:25,315 INFO L93 Difference]: Finished difference Result 2774 states and 3935 transitions. [2025-03-04 03:51:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:25,316 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 [2025-03-04 03:51:25,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:25,330 INFO L225 Difference]: With dead ends: 2774 [2025-03-04 03:51:25,330 INFO L226 Difference]: Without dead ends: 2771 [2025-03-04 03:51:25,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:25,336 INFO L435 NwaCegarLoop]: 1147 mSDtfsCounter, 1118 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-03-04 03:51:25,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 1147 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-03-04 03:51:25,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2025-03-04 03:51:25,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 2771. [2025-03-04 03:51:25,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2029 states have (on average 1.369640216855594) internal successors, (2779), 2083 states have internal predecessors, (2779), 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) [2025-03-04 03:51:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3932 transitions. [2025-03-04 03:51:25,428 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3932 transitions. Word has length 52 [2025-03-04 03:51:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:25,429 INFO L471 AbstractCegarLoop]: Abstraction has 2771 states and 3932 transitions. [2025-03-04 03:51:25,429 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) [2025-03-04 03:51:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3932 transitions. [2025-03-04 03:51:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 03:51:25,432 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:25,432 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] [2025-03-04 03:51:25,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-04 03:51:25,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:25,633 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:25,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:25,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1928620260, now seen corresponding path program 1 times [2025-03-04 03:51:25,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:25,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040953332] [2025-03-04 03:51:25,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:25,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:27,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 03:51:27,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 03:51:27,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:27,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:27,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:27,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040953332] [2025-03-04 03:51:27,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040953332] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:51:27,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914495409] [2025-03-04 03:51:27,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:27,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:27,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:51:27,718 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:51:27,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-04 03:51:29,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 03:51:30,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 03:51:30,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:30,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:30,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 6829 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-04 03:51:30,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:51:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:51:30,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:51:30,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914495409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:30,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:51:30,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:51:30,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516064337] [2025-03-04 03:51:30,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:30,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:30,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:30,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:30,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:30,655 INFO L87 Difference]: Start difference. First operand 2771 states and 3932 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) [2025-03-04 03:51:34,740 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 [] [2025-03-04 03:51:34,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:34,929 INFO L93 Difference]: Finished difference Result 2773 states and 3933 transitions. [2025-03-04 03:51:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:34,930 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 53 [2025-03-04 03:51:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:34,946 INFO L225 Difference]: With dead ends: 2773 [2025-03-04 03:51:34,946 INFO L226 Difference]: Without dead ends: 2741 [2025-03-04 03:51:34,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:34,947 INFO L435 NwaCegarLoop]: 1143 mSDtfsCounter, 1085 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-04 03:51:34,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 1167 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-04 03:51:34,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2025-03-04 03:51:35,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2741. [2025-03-04 03:51:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2007 states have (on average 1.369706028898854) internal successors, (2749), 2059 states have internal predecessors, (2749), 573 states have call successors, (573), 161 states have call predecessors, (573), 160 states have return successors, (572), 552 states have call predecessors, (572), 572 states have call successors, (572) [2025-03-04 03:51:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 3894 transitions. [2025-03-04 03:51:35,034 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 3894 transitions. Word has length 53 [2025-03-04 03:51:35,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:35,035 INFO L471 AbstractCegarLoop]: Abstraction has 2741 states and 3894 transitions. [2025-03-04 03:51:35,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2025-03-04 03:51:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3894 transitions. [2025-03-04 03:51:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 03:51:35,039 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:35,039 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:51:35,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-04 03:51:35,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:35,241 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:35,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash 704582404, now seen corresponding path program 1 times [2025-03-04 03:51:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:35,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246222253] [2025-03-04 03:51:35,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:35,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:51:36,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 03:51:36,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 03:51:36,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:36,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 03:51:37,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:51:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246222253] [2025-03-04 03:51:37,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246222253] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:51:37,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480502995] [2025-03-04 03:51:37,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:37,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:51:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:51:37,203 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 03:51:37,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-04 03:51:39,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 03:51:39,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 03:51:39,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:51:39,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:51:39,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 6935 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-04 03:51:39,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 03:51:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-04 03:51:40,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 03:51:40,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480502995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 03:51:40,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 03:51:40,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-03-04 03:51:40,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328620079] [2025-03-04 03:51:40,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 03:51:40,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 03:51:40,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 03:51:40,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 03:51:40,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:40,047 INFO L87 Difference]: Start difference. First operand 2741 states and 3894 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-04 03:51:40,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 03:51:40,511 INFO L93 Difference]: Finished difference Result 6866 states and 9746 transitions. [2025-03-04 03:51:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 03:51:40,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 71 [2025-03-04 03:51:40,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 03:51:40,526 INFO L225 Difference]: With dead ends: 6866 [2025-03-04 03:51:40,526 INFO L226 Difference]: Without dead ends: 4128 [2025-03-04 03:51:40,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-04 03:51:40,536 INFO L435 NwaCegarLoop]: 1108 mSDtfsCounter, 1103 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-04 03:51:40,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 2186 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 03:51:40,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4128 states. [2025-03-04 03:51:40,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4128 to 4125. [2025-03-04 03:51:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 3027 states have (on average 1.3696729435084243) internal successors, (4146), 3105 states have internal predecessors, (4146), 851 states have call successors, (851), 247 states have call predecessors, (851), 246 states have return successors, (850), 820 states have call predecessors, (850), 850 states have call successors, (850) [2025-03-04 03:51:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5847 transitions. [2025-03-04 03:51:40,659 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5847 transitions. Word has length 71 [2025-03-04 03:51:40,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 03:51:40,660 INFO L471 AbstractCegarLoop]: Abstraction has 4125 states and 5847 transitions. [2025-03-04 03:51:40,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-04 03:51:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5847 transitions. [2025-03-04 03:51:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-04 03:51:40,664 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:51:40,664 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:51:40,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-04 03:51:40,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-04 03:51:40,865 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:51:40,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:51:40,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1262285839, now seen corresponding path program 1 times [2025-03-04 03:51:40,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:51:40,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162025065] [2025-03-04 03:51:40,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:51:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms