./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB --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 afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:35:31,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:35:31,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:35:31,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:35:31,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:35:31,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:35:31,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:35:31,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:35:31,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:35:31,491 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:35:31,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:35:31,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:35:31,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:35:31,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:35:31,492 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:35:31,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:35:31,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:35:31,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:35:31,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:35:31,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:35:31,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:35:31,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:35:31,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:35:31,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:35:31,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:35:31,496 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:35:31,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:31,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:31,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:31,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:31,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:35:31,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:31,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:31,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:31,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:31,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:35:31,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:35:31,498 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:35:31,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:35:31,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:35:31,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:35:31,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:35:31,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:35:31,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:35:31,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:35:31,499 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB 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 -> afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a [2024-11-28 04:35:31,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:35:31,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:35:31,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:35:31,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:35:31,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:35:31,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-28 04:35:34,844 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/data/e17cd4832/b017f7b8790d4b839a05119bbca0a451/FLAG2469acda7 [2024-11-28 04:35:35,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:35,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-28 04:35:35,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/data/e17cd4832/b017f7b8790d4b839a05119bbca0a451/FLAG2469acda7 [2024-11-28 04:35:35,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/data/e17cd4832/b017f7b8790d4b839a05119bbca0a451 [2024-11-28 04:35:35,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:35,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:35,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:35,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:35,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:35,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:35" (1/1) ... [2024-11-28 04:35:35,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74239d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:35, skipping insertion in model container [2024-11-28 04:35:35,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:35" (1/1) ... [2024-11-28 04:35:35,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:36,709 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2024-11-28 04:35:36,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:36,849 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:36,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3154] [2024-11-28 04:35:37,146 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2024-11-28 04:35:37,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:37,272 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:37,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37 WrapperNode [2024-11-28 04:35:37,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:37,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:37,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:37,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:37,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,432 INFO L138 Inliner]: procedures = 175, calls = 840, calls flagged for inlining = 50, calls inlined = 47, statements flattened = 2172 [2024-11-28 04:35:37,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:37,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:37,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:37,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:37,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,788 INFO L175 MemorySlicer]: Split 389 memory accesses to 16 slices as follows [2, 5, 215, 4, 4, 9, 36, 14, 3, 6, 7, 1, 5, 41, 5, 32]. 55 percent of accesses are in the largest equivalence class. The 36 initializations are split as follows [2, 5, 0, 4, 4, 0, 0, 0, 3, 0, 7, 1, 5, 0, 5, 0]. The 151 writes are split as follows [0, 0, 54, 0, 0, 7, 2, 12, 0, 3, 0, 0, 0, 41, 0, 32]. [2024-11-28 04:35:37,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,871 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:37,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:37,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:37,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:37,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (1/1) ... [2024-11-28 04:35:37,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:38,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:38,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-28 04:35:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-28 04:35:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:35:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:35:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:35:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:35:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:35:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:35:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:35:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:35:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:35:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:35:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:35:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:35:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:35:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:35:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:35:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:35:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 04:35:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 04:35:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2024-11-28 04:35:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2024-11-28 04:35:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:35:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:35:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:35:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2024-11-28 04:35:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 04:35:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:35:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:35:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:35:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:35:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:35:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:35:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:35:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 04:35:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2024-11-28 04:35:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:35:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2024-11-28 04:35:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 04:35:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 04:35:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2024-11-28 04:35:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2024-11-28 04:35:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:35:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 04:35:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2024-11-28 04:35:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2024-11-28 04:35:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:35:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:35:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 04:35:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 04:35:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2024-11-28 04:35:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2024-11-28 04:35:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-28 04:35:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-28 04:35:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2024-11-28 04:35:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2024-11-28 04:35:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2024-11-28 04:35:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2024-11-28 04:35:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2024-11-28 04:35:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2024-11-28 04:35:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 04:35:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 04:35:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2024-11-28 04:35:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2024-11-28 04:35:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2024-11-28 04:35:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2024-11-28 04:35:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 04:35:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 04:35:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:35:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:35:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:35:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 04:35:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 04:35:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2024-11-28 04:35:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2024-11-28 04:35:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:35:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:35:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2024-11-28 04:35:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2024-11-28 04:35:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2024-11-28 04:35:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2024-11-28 04:35:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2024-11-28 04:35:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2024-11-28 04:35:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:35:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:35:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2024-11-28 04:35:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2024-11-28 04:35:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-28 04:35:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2024-11-28 04:35:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2024-11-28 04:35:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 04:35:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:35:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 04:35:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 04:35:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 04:35:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:35:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:35:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-28 04:35:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-28 04:35:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:35:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:35:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-28 04:35:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-28 04:35:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2024-11-28 04:35:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2024-11-28 04:35:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2024-11-28 04:35:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2024-11-28 04:35:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-28 04:35:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-28 04:35:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2024-11-28 04:35:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2024-11-28 04:35:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-28 04:35:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-28 04:35:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2024-11-28 04:35:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2024-11-28 04:35:38,800 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:38,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:38,975 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 04:35:47,067 INFO L? ?]: Removed 932 outVars from TransFormulas that were not future-live. [2024-11-28 04:35:47,067 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:35:47,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:35:47,095 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 04:35:47,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:47 BoogieIcfgContainer [2024-11-28 04:35:47,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:35:47,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:35:47,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:35:47,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:35:47,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:35" (1/3) ... [2024-11-28 04:35:47,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:47, skipping insertion in model container [2024-11-28 04:35:47,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:37" (2/3) ... [2024-11-28 04:35:47,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:47, skipping insertion in model container [2024-11-28 04:35:47,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:47" (3/3) ... [2024-11-28 04:35:47,110 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2024-11-28 04:35:47,132 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:35:47,136 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i that has 51 procedures, 885 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-28 04:35:47,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:35:47,255 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;@60cce587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:35:47,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:35:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 884 states, 646 states have (on average 1.4024767801857585) internal successors, (906), 664 states have internal predecessors, (906), 187 states have call successors, (187), 50 states have call predecessors, (187), 49 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-28 04:35:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-28 04:35:47,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:47,295 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:47,295 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:47,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:47,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1441936407, now seen corresponding path program 1 times [2024-11-28 04:35:47,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:47,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544087346] [2024-11-28 04:35:47,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:47,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2024-11-28 04:35:48,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:48,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544087346] [2024-11-28 04:35:48,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544087346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:35:48,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632910789] [2024-11-28 04:35:48,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:48,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:48,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:48,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:35:49,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:35:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:50,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:35:50,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 929 trivial. 0 not checked. [2024-11-28 04:35:50,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:50,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632910789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:50,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:35:50,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:35:50,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726754815] [2024-11-28 04:35:50,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:50,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:35:50,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:50,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:35:50,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:35:50,965 INFO L87 Difference]: Start difference. First operand has 884 states, 646 states have (on average 1.4024767801857585) internal successors, (906), 664 states have internal predecessors, (906), 187 states have call successors, (187), 50 states have call predecessors, (187), 49 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 04:35:51,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:51,096 INFO L93 Difference]: Finished difference Result 1763 states and 2615 transitions. [2024-11-28 04:35:51,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:35:51,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 261 [2024-11-28 04:35:51,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:51,118 INFO L225 Difference]: With dead ends: 1763 [2024-11-28 04:35:51,118 INFO L226 Difference]: Without dead ends: 868 [2024-11-28 04:35:51,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:35:51,131 INFO L435 NwaCegarLoop]: 1260 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:51,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:35:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-28 04:35:51,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2024-11-28 04:35:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 641 states have (on average 1.3822152886115444) internal successors, (886), 648 states have internal predecessors, (886), 178 states have call successors, (178), 49 states have call predecessors, (178), 48 states have return successors, (173), 173 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-28 04:35:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1237 transitions. [2024-11-28 04:35:51,244 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1237 transitions. Word has length 261 [2024-11-28 04:35:51,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:51,247 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1237 transitions. [2024-11-28 04:35:51,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 04:35:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1237 transitions. [2024-11-28 04:35:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-28 04:35:51,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:51,253 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:51,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:35:51,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:35:51,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:51,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:51,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2119126489, now seen corresponding path program 1 times [2024-11-28 04:35:51,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:51,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187910626] [2024-11-28 04:35:51,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:51,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-28 04:35:52,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:52,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187910626] [2024-11-28 04:35:52,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187910626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:52,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:52,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:35:52,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232430411] [2024-11-28 04:35:52,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:52,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:52,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:52,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:52,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:52,643 INFO L87 Difference]: Start difference. First operand 868 states and 1237 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 04:35:52,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:52,903 INFO L93 Difference]: Finished difference Result 2463 states and 3501 transitions. [2024-11-28 04:35:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:52,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 261 [2024-11-28 04:35:52,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:52,924 INFO L225 Difference]: With dead ends: 2463 [2024-11-28 04:35:52,925 INFO L226 Difference]: Without dead ends: 1646 [2024-11-28 04:35:52,929 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 [2024-11-28 04:35:52,930 INFO L435 NwaCegarLoop]: 1236 mSDtfsCounter, 1170 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 2389 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:52,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 2389 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:35:52,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2024-11-28 04:35:53,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1631. [2024-11-28 04:35:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1220 states have (on average 1.3926229508196721) internal successors, (1699), 1231 states have internal predecessors, (1699), 314 states have call successors, (314), 97 states have call predecessors, (314), 96 states have return successors, (309), 308 states have call predecessors, (309), 309 states have call successors, (309) [2024-11-28 04:35:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 2322 transitions. [2024-11-28 04:35:53,084 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 2322 transitions. Word has length 261 [2024-11-28 04:35:53,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:53,087 INFO L471 AbstractCegarLoop]: Abstraction has 1631 states and 2322 transitions. [2024-11-28 04:35:53,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 04:35:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2322 transitions. [2024-11-28 04:35:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-28 04:35:53,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:53,095 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:53,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:35:53,096 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:53,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1856581570, now seen corresponding path program 1 times [2024-11-28 04:35:53,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:53,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921704093] [2024-11-28 04:35:53,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-28 04:35:54,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:54,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921704093] [2024-11-28 04:35:54,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921704093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:54,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:54,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:35:54,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868396037] [2024-11-28 04:35:54,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:54,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:54,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:54,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:54,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:54,479 INFO L87 Difference]: Start difference. First operand 1631 states and 2322 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:35:58,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:58,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:58,806 INFO L93 Difference]: Finished difference Result 4738 states and 6743 transitions. [2024-11-28 04:35:58,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:58,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 260 [2024-11-28 04:35:58,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:58,831 INFO L225 Difference]: With dead ends: 4738 [2024-11-28 04:35:58,831 INFO L226 Difference]: Without dead ends: 3158 [2024-11-28 04:35:58,839 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 [2024-11-28 04:35:58,840 INFO L435 NwaCegarLoop]: 1292 mSDtfsCounter, 1099 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:58,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 2514 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:35:58,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2024-11-28 04:35:59,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3154. [2024-11-28 04:35:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 2376 states have (on average 1.3981481481481481) internal successors, (3322), 2393 states have internal predecessors, (3322), 585 states have call successors, (585), 193 states have call predecessors, (585), 192 states have return successors, (580), 579 states have call predecessors, (580), 580 states have call successors, (580) [2024-11-28 04:35:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4487 transitions. [2024-11-28 04:35:59,041 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4487 transitions. Word has length 260 [2024-11-28 04:35:59,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:59,047 INFO L471 AbstractCegarLoop]: Abstraction has 3154 states and 4487 transitions. [2024-11-28 04:35:59,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 04:35:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4487 transitions. [2024-11-28 04:35:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-28 04:35:59,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:59,053 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:59,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:35:59,054 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:59,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:59,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1839836772, now seen corresponding path program 1 times [2024-11-28 04:35:59,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:59,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105497566] [2024-11-28 04:35:59,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:59,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-28 04:36:00,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:00,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105497566] [2024-11-28 04:36:00,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105497566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:00,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:00,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:00,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888974447] [2024-11-28 04:36:00,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:00,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:00,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:00,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:00,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:00,033 INFO L87 Difference]: Start difference. First operand 3154 states and 4487 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 04:36:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:00,419 INFO L93 Difference]: Finished difference Result 9238 states and 13117 transitions. [2024-11-28 04:36:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:00,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 264 [2024-11-28 04:36:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:00,463 INFO L225 Difference]: With dead ends: 9238 [2024-11-28 04:36:00,464 INFO L226 Difference]: Without dead ends: 6135 [2024-11-28 04:36:00,476 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 [2024-11-28 04:36:00,479 INFO L435 NwaCegarLoop]: 1280 mSDtfsCounter, 1157 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:00,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2433 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:36:00,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6135 states. [2024-11-28 04:36:00,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6135 to 6118. [2024-11-28 04:36:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6118 states, 4632 states have (on average 1.400259067357513) internal successors, (6486), 4663 states have internal predecessors, (6486), 1101 states have call successors, (1101), 385 states have call predecessors, (1101), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-28 04:36:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 8683 transitions. [2024-11-28 04:36:00,818 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 8683 transitions. Word has length 264 [2024-11-28 04:36:00,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:00,819 INFO L471 AbstractCegarLoop]: Abstraction has 6118 states and 8683 transitions. [2024-11-28 04:36:00,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 04:36:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 8683 transitions. [2024-11-28 04:36:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-28 04:36:00,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:00,824 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:00,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:36:00,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:00,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:00,825 INFO L85 PathProgramCache]: Analyzing trace with hash -2047507099, now seen corresponding path program 1 times [2024-11-28 04:36:00,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:00,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902152923] [2024-11-28 04:36:00,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:00,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-28 04:36:01,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:01,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902152923] [2024-11-28 04:36:01,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902152923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:01,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:01,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:01,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140718608] [2024-11-28 04:36:01,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:01,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:01,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:01,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:01,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:01,755 INFO L87 Difference]: Start difference. First operand 6118 states and 8683 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:36:01,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:01,940 INFO L93 Difference]: Finished difference Result 6120 states and 8684 transitions. [2024-11-28 04:36:01,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:01,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 262 [2024-11-28 04:36:01,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:01,982 INFO L225 Difference]: With dead ends: 6120 [2024-11-28 04:36:01,982 INFO L226 Difference]: Without dead ends: 6117 [2024-11-28 04:36:01,987 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 [2024-11-28 04:36:01,988 INFO L435 NwaCegarLoop]: 1234 mSDtfsCounter, 1168 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:01,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1234 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:36:01,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2024-11-28 04:36:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 6117. [2024-11-28 04:36:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6117 states, 4632 states have (on average 1.4000431778929188) internal successors, (6485), 4662 states have internal predecessors, (6485), 1100 states have call successors, (1100), 385 states have call predecessors, (1100), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-28 04:36:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8681 transitions. [2024-11-28 04:36:02,389 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8681 transitions. Word has length 262 [2024-11-28 04:36:02,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:02,390 INFO L471 AbstractCegarLoop]: Abstraction has 6117 states and 8681 transitions. [2024-11-28 04:36:02,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:36:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8681 transitions. [2024-11-28 04:36:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-28 04:36:02,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:02,398 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:02,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:36:02,399 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:02,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:02,399 INFO L85 PathProgramCache]: Analyzing trace with hash 951490624, now seen corresponding path program 1 times [2024-11-28 04:36:02,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:02,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11653562] [2024-11-28 04:36:02,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:02,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-28 04:36:03,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:03,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11653562] [2024-11-28 04:36:03,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11653562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:03,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:03,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:03,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771340913] [2024-11-28 04:36:03,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:03,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:03,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:03,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:03,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:03,454 INFO L87 Difference]: Start difference. First operand 6117 states and 8681 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:36:03,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:03,782 INFO L93 Difference]: Finished difference Result 6119 states and 8682 transitions. [2024-11-28 04:36:03,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:03,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 263 [2024-11-28 04:36:03,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:03,839 INFO L225 Difference]: With dead ends: 6119 [2024-11-28 04:36:03,839 INFO L226 Difference]: Without dead ends: 6116 [2024-11-28 04:36:03,844 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 [2024-11-28 04:36:03,846 INFO L435 NwaCegarLoop]: 1232 mSDtfsCounter, 1165 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:03,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 1232 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:36:03,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6116 states. [2024-11-28 04:36:04,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6116 to 6116. [2024-11-28 04:36:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6116 states, 4632 states have (on average 1.3998272884283247) internal successors, (6484), 4661 states have internal predecessors, (6484), 1099 states have call successors, (1099), 385 states have call predecessors, (1099), 384 states have return successors, (1096), 1093 states have call predecessors, (1096), 1096 states have call successors, (1096) [2024-11-28 04:36:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6116 states to 6116 states and 8679 transitions. [2024-11-28 04:36:04,301 INFO L78 Accepts]: Start accepts. Automaton has 6116 states and 8679 transitions. Word has length 263 [2024-11-28 04:36:04,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:04,302 INFO L471 AbstractCegarLoop]: Abstraction has 6116 states and 8679 transitions. [2024-11-28 04:36:04,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:36:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 6116 states and 8679 transitions. [2024-11-28 04:36:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-28 04:36:04,306 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:04,306 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:04,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:36:04,307 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:04,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:04,307 INFO L85 PathProgramCache]: Analyzing trace with hash -568855608, now seen corresponding path program 1 times [2024-11-28 04:36:04,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:04,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764965538] [2024-11-28 04:36:04,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:04,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2024-11-28 04:36:05,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764965538] [2024-11-28 04:36:05,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764965538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:05,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:05,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:05,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591645347] [2024-11-28 04:36:05,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:05,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:05,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:05,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:05,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:05,179 INFO L87 Difference]: Start difference. First operand 6116 states and 8679 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:36:05,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:05,561 INFO L93 Difference]: Finished difference Result 13391 states and 19026 transitions. [2024-11-28 04:36:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:05,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 264 [2024-11-28 04:36:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:05,629 INFO L225 Difference]: With dead ends: 13391 [2024-11-28 04:36:05,629 INFO L226 Difference]: Without dead ends: 7320 [2024-11-28 04:36:05,655 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 [2024-11-28 04:36:05,655 INFO L435 NwaCegarLoop]: 1236 mSDtfsCounter, 1110 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:05,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1668 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:36:05,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2024-11-28 04:36:06,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 7290. [2024-11-28 04:36:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7290 states, 5497 states have (on average 1.3882117518646535) internal successors, (7631), 5541 states have internal predecessors, (7631), 1298 states have call successors, (1298), 508 states have call predecessors, (1298), 494 states have return successors, (1318), 1276 states have call predecessors, (1318), 1294 states have call successors, (1318) [2024-11-28 04:36:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7290 states to 7290 states and 10247 transitions. [2024-11-28 04:36:06,124 INFO L78 Accepts]: Start accepts. Automaton has 7290 states and 10247 transitions. Word has length 264 [2024-11-28 04:36:06,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:06,125 INFO L471 AbstractCegarLoop]: Abstraction has 7290 states and 10247 transitions. [2024-11-28 04:36:06,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 04:36:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7290 states and 10247 transitions. [2024-11-28 04:36:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-28 04:36:06,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:06,136 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:06,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:36:06,136 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:06,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:06,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1412541440, now seen corresponding path program 1 times [2024-11-28 04:36:06,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:06,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059048184] [2024-11-28 04:36:06,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2024-11-28 04:36:07,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:07,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059048184] [2024-11-28 04:36:07,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059048184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:07,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:07,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:07,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573017924] [2024-11-28 04:36:07,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:07,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:07,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:07,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:07,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:07,140 INFO L87 Difference]: Start difference. First operand 7290 states and 10247 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-28 04:36:07,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:07,851 INFO L93 Difference]: Finished difference Result 21586 states and 30287 transitions. [2024-11-28 04:36:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:07,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 372 [2024-11-28 04:36:07,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:07,942 INFO L225 Difference]: With dead ends: 21586 [2024-11-28 04:36:07,942 INFO L226 Difference]: Without dead ends: 14347 [2024-11-28 04:36:07,979 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 [2024-11-28 04:36:07,980 INFO L435 NwaCegarLoop]: 1323 mSDtfsCounter, 1168 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:07,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 2454 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:36:07,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14347 states. [2024-11-28 04:36:08,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14347 to 14336. [2024-11-28 04:36:08,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14336 states, 10821 states have (on average 1.386285925515202) internal successors, (15001), 10909 states have internal predecessors, (15001), 2526 states have call successors, (2526), 1014 states have call predecessors, (2526), 988 states have return successors, (2570), 2484 states have call predecessors, (2570), 2522 states have call successors, (2570) [2024-11-28 04:36:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14336 states to 14336 states and 20097 transitions. [2024-11-28 04:36:09,010 INFO L78 Accepts]: Start accepts. Automaton has 14336 states and 20097 transitions. Word has length 372 [2024-11-28 04:36:09,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:09,012 INFO L471 AbstractCegarLoop]: Abstraction has 14336 states and 20097 transitions. [2024-11-28 04:36:09,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-28 04:36:09,013 INFO L276 IsEmpty]: Start isEmpty. Operand 14336 states and 20097 transitions. [2024-11-28 04:36:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-11-28 04:36:09,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:09,027 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:09,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:36:09,027 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:09,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:09,028 INFO L85 PathProgramCache]: Analyzing trace with hash 179209799, now seen corresponding path program 1 times [2024-11-28 04:36:09,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:09,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755496032] [2024-11-28 04:36:09,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:09,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2024-11-28 04:36:10,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:10,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755496032] [2024-11-28 04:36:10,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755496032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:10,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:10,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:10,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130557634] [2024-11-28 04:36:10,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:10,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:10,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:10,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:10,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:10,051 INFO L87 Difference]: Start difference. First operand 14336 states and 20097 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-28 04:36:11,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:11,170 INFO L93 Difference]: Finished difference Result 39548 states and 55333 transitions. [2024-11-28 04:36:11,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:11,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 375 [2024-11-28 04:36:11,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:11,323 INFO L225 Difference]: With dead ends: 39548 [2024-11-28 04:36:11,323 INFO L226 Difference]: Without dead ends: 25263 [2024-11-28 04:36:11,380 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 [2024-11-28 04:36:11,382 INFO L435 NwaCegarLoop]: 2066 mSDtfsCounter, 1137 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 3197 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:11,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 3197 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:36:11,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25263 states. [2024-11-28 04:36:12,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25263 to 25254. [2024-11-28 04:36:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25254 states, 18999 states have (on average 1.3817043002263276) internal successors, (26251), 19159 states have internal predecessors, (26251), 4472 states have call successors, (4472), 1824 states have call predecessors, (4472), 1782 states have return successors, (4564), 4402 states have call predecessors, (4564), 4468 states have call successors, (4564) [2024-11-28 04:36:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25254 states to 25254 states and 35287 transitions. [2024-11-28 04:36:12,773 INFO L78 Accepts]: Start accepts. Automaton has 25254 states and 35287 transitions. Word has length 375 [2024-11-28 04:36:12,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:12,773 INFO L471 AbstractCegarLoop]: Abstraction has 25254 states and 35287 transitions. [2024-11-28 04:36:12,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-28 04:36:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 25254 states and 35287 transitions. [2024-11-28 04:36:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-11-28 04:36:12,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:12,787 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:12,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:36:12,788 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:12,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash 506070834, now seen corresponding path program 1 times [2024-11-28 04:36:12,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:12,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677106281] [2024-11-28 04:36:12,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2745 trivial. 0 not checked. [2024-11-28 04:36:14,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:14,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677106281] [2024-11-28 04:36:14,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677106281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:14,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:14,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:14,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657793365] [2024-11-28 04:36:14,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:14,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:14,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:14,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:14,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:14,062 INFO L87 Difference]: Start difference. First operand 25254 states and 35287 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 04:36:18,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:19,267 INFO L93 Difference]: Finished difference Result 28892 states and 40017 transitions. [2024-11-28 04:36:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 457 [2024-11-28 04:36:19,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:19,404 INFO L225 Difference]: With dead ends: 28892 [2024-11-28 04:36:19,404 INFO L226 Difference]: Without dead ends: 24372 [2024-11-28 04:36:19,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:19,432 INFO L435 NwaCegarLoop]: 1473 mSDtfsCounter, 426 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 2632 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:19,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 2632 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:36:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24372 states. [2024-11-28 04:36:20,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24372 to 24280. [2024-11-28 04:36:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 18300 states have (on average 1.3818579234972677) internal successors, (25288), 18459 states have internal predecessors, (25288), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-28 04:36:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 33793 transitions. [2024-11-28 04:36:21,006 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 33793 transitions. Word has length 457 [2024-11-28 04:36:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:21,008 INFO L471 AbstractCegarLoop]: Abstraction has 24280 states and 33793 transitions. [2024-11-28 04:36:21,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 04:36:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 33793 transitions. [2024-11-28 04:36:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-28 04:36:21,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:21,098 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:21,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:36:21,099 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:21,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:21,100 INFO L85 PathProgramCache]: Analyzing trace with hash -562688346, now seen corresponding path program 1 times [2024-11-28 04:36:21,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:21,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070074205] [2024-11-28 04:36:21,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:21,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2789 trivial. 0 not checked. [2024-11-28 04:36:22,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:22,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070074205] [2024-11-28 04:36:22,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070074205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:22,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:22,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:22,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151441306] [2024-11-28 04:36:22,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:22,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:22,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:22,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:22,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:22,602 INFO L87 Difference]: Start difference. First operand 24280 states and 33793 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 04:36:23,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:23,815 INFO L93 Difference]: Finished difference Result 48533 states and 67591 transitions. [2024-11-28 04:36:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:23,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 556 [2024-11-28 04:36:23,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:23,946 INFO L225 Difference]: With dead ends: 48533 [2024-11-28 04:36:23,946 INFO L226 Difference]: Without dead ends: 24304 [2024-11-28 04:36:24,082 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 [2024-11-28 04:36:24,083 INFO L435 NwaCegarLoop]: 1223 mSDtfsCounter, 0 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:24,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2441 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:36:24,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24304 states. [2024-11-28 04:36:25,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24304 to 24304. [2024-11-28 04:36:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 18324 states have (on average 1.3813577821436367) internal successors, (25312), 18483 states have internal predecessors, (25312), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-28 04:36:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 33817 transitions. [2024-11-28 04:36:25,686 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 33817 transitions. Word has length 556 [2024-11-28 04:36:25,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:25,688 INFO L471 AbstractCegarLoop]: Abstraction has 24304 states and 33817 transitions. [2024-11-28 04:36:25,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 04:36:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 33817 transitions. [2024-11-28 04:36:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2024-11-28 04:36:25,792 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:25,793 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:25,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:36:25,793 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:25,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:25,794 INFO L85 PathProgramCache]: Analyzing trace with hash -947902488, now seen corresponding path program 1 times [2024-11-28 04:36:25,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:25,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97992946] [2024-11-28 04:36:25,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:25,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2024-11-28 04:36:27,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:27,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97992946] [2024-11-28 04:36:27,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97992946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:27,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286195678] [2024-11-28 04:36:27,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:27,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:27,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:27,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:36:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:29,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 4405 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:36:29,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:36:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2789 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2024-11-28 04:36:29,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:36:29,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286195678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:29,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:36:29,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2024-11-28 04:36:29,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671371924] [2024-11-28 04:36:29,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:29,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:36:29,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:29,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:36:29,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:36:29,463 INFO L87 Difference]: Start difference. First operand 24304 states and 33817 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-28 04:36:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:30,757 INFO L93 Difference]: Finished difference Result 49317 states and 68967 transitions. [2024-11-28 04:36:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:36:30,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 557 [2024-11-28 04:36:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:30,883 INFO L225 Difference]: With dead ends: 49317 [2024-11-28 04:36:30,883 INFO L226 Difference]: Without dead ends: 24304 [2024-11-28 04:36:30,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:36:30,954 INFO L435 NwaCegarLoop]: 1222 mSDtfsCounter, 54 mSDsluCounter, 2401 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3623 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:30,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3623 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:36:30,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24304 states. [2024-11-28 04:36:32,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24304 to 24304. [2024-11-28 04:36:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 18324 states have (on average 1.3791748526522594) internal successors, (25272), 18483 states have internal predecessors, (25272), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-28 04:36:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 33777 transitions. [2024-11-28 04:36:32,233 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 33777 transitions. Word has length 557 [2024-11-28 04:36:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:32,235 INFO L471 AbstractCegarLoop]: Abstraction has 24304 states and 33777 transitions. [2024-11-28 04:36:32,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 3 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-11-28 04:36:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 33777 transitions. [2024-11-28 04:36:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2024-11-28 04:36:32,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:32,287 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:32,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:36:32,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:32,488 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:32,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:32,489 INFO L85 PathProgramCache]: Analyzing trace with hash -332532442, now seen corresponding path program 1 times [2024-11-28 04:36:32,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:32,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074757427] [2024-11-28 04:36:32,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:32,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2790 trivial. 0 not checked. [2024-11-28 04:36:34,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074757427] [2024-11-28 04:36:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074757427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:34,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:36:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124108903] [2024-11-28 04:36:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:34,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:36:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:34,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:36:34,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:36:34,730 INFO L87 Difference]: Start difference. First operand 24304 states and 33777 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 04:36:36,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:36,188 INFO L93 Difference]: Finished difference Result 48605 states and 67583 transitions. [2024-11-28 04:36:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:36:36,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 559 [2024-11-28 04:36:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:36,341 INFO L225 Difference]: With dead ends: 48605 [2024-11-28 04:36:36,341 INFO L226 Difference]: Without dead ends: 24352 [2024-11-28 04:36:36,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:36:36,414 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 0 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3655 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:36,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3655 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:36:36,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24352 states. [2024-11-28 04:36:37,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24352 to 24328. [2024-11-28 04:36:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 18348 states have (on average 1.3786788750817527) internal successors, (25296), 18507 states have internal predecessors, (25296), 4271 states have call successors, (4271), 1743 states have call predecessors, (4271), 1708 states have return successors, (4234), 4197 states have call predecessors, (4234), 4234 states have call successors, (4234) [2024-11-28 04:36:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 33801 transitions. [2024-11-28 04:36:37,875 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 33801 transitions. Word has length 559 [2024-11-28 04:36:37,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:37,876 INFO L471 AbstractCegarLoop]: Abstraction has 24328 states and 33801 transitions. [2024-11-28 04:36:37,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-28 04:36:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 33801 transitions. [2024-11-28 04:36:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-11-28 04:36:37,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:37,931 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:37,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:36:37,931 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:37,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:37,932 INFO L85 PathProgramCache]: Analyzing trace with hash 243485093, now seen corresponding path program 1 times [2024-11-28 04:36:37,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:37,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130975841] [2024-11-28 04:36:37,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:37,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:41,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2024-11-28 04:36:41,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:41,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130975841] [2024-11-28 04:36:41,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130975841] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:41,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554513965] [2024-11-28 04:36:41,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:41,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:41,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:41,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:36:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:44,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-28 04:36:44,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:36:44,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-11-28 04:36:45,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-11-28 04:36:45,757 WARN L873 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.meminit_#ptr.base| Int)) (= (store |c_old(#memory_int#2)| |#Ultimate.meminit_#ptr.base| ((as const (Array Int Int)) 0)) |c_#memory_int#2|)) is different from true [2024-11-28 04:36:45,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-11-28 04:36:46,187 INFO L349 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2024-11-28 04:36:46,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 [2024-11-28 04:36:46,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2024-11-28 04:36:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 410 proven. 3 refuted. 0 times theorem prover too weak. 2373 trivial. 4 not checked. [2024-11-28 04:36:46,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:36:48,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554513965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:48,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:36:48,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 23 [2024-11-28 04:36:48,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267422993] [2024-11-28 04:36:48,662 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:36:48,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:36:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:48,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:36:48,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=572, Unknown=18, NotChecked=48, Total=702 [2024-11-28 04:36:48,665 INFO L87 Difference]: Start difference. First operand 24328 states and 33801 transitions. Second operand has 23 states, 23 states have (on average 10.0) internal successors, (230), 17 states have internal predecessors, (230), 6 states have call successors, (67), 5 states have call predecessors, (67), 10 states have return successors, (64), 11 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-28 04:36:52,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:37,760 INFO L93 Difference]: Finished difference Result 82313 states and 117407 transitions. [2024-11-28 04:37:37,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-28 04:37:37,761 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.0) internal successors, (230), 17 states have internal predecessors, (230), 6 states have call successors, (67), 5 states have call predecessors, (67), 10 states have return successors, (64), 11 states have call predecessors, (64), 6 states have call successors, (64) Word has length 560 [2024-11-28 04:37:37,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:38,059 INFO L225 Difference]: With dead ends: 82313 [2024-11-28 04:37:38,059 INFO L226 Difference]: Without dead ends: 58036 [2024-11-28 04:37:38,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 687 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=363, Invalid=3529, Unknown=18, NotChecked=122, Total=4032 [2024-11-28 04:37:38,154 INFO L435 NwaCegarLoop]: 1213 mSDtfsCounter, 2380 mSDsluCounter, 20549 mSDsCounter, 0 mSdLazyCounter, 10449 mSolverCounterSat, 794 mSolverCounterUnsat, 714 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 21762 SdHoareTripleChecker+Invalid, 15074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 794 IncrementalHoareTripleChecker+Valid, 10449 IncrementalHoareTripleChecker+Invalid, 714 IncrementalHoareTripleChecker+Unknown, 3117 IncrementalHoareTripleChecker+Unchecked, 42.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:37:38,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 21762 Invalid, 15074 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [794 Valid, 10449 Invalid, 714 Unknown, 3117 Unchecked, 42.7s Time] [2024-11-28 04:37:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58036 states. [2024-11-28 04:37:40,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58036 to 54440. [2024-11-28 04:37:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54440 states, 41430 states have (on average 1.3814385710837558) internal successors, (57233), 41825 states have internal predecessors, (57233), 8769 states have call successors, (8769), 3683 states have call predecessors, (8769), 4240 states have return successors, (11132), 9051 states have call predecessors, (11132), 8732 states have call successors, (11132) [2024-11-28 04:37:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54440 states to 54440 states and 77134 transitions. [2024-11-28 04:37:41,221 INFO L78 Accepts]: Start accepts. Automaton has 54440 states and 77134 transitions. Word has length 560 [2024-11-28 04:37:41,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:41,222 INFO L471 AbstractCegarLoop]: Abstraction has 54440 states and 77134 transitions. [2024-11-28 04:37:41,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.0) internal successors, (230), 17 states have internal predecessors, (230), 6 states have call successors, (67), 5 states have call predecessors, (67), 10 states have return successors, (64), 11 states have call predecessors, (64), 6 states have call successors, (64) [2024-11-28 04:37:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 54440 states and 77134 transitions. [2024-11-28 04:37:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2024-11-28 04:37:41,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:41,340 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:37:41,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:37:41,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33eb44f-d35d-49dc-bb1c-20d14f7b9328/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:41,541 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:41,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:41,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1658845831, now seen corresponding path program 1 times [2024-11-28 04:37:41,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:41,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239336009] [2024-11-28 04:37:41,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:41,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2785 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2783 trivial. 0 not checked. [2024-11-28 04:37:43,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:43,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239336009] [2024-11-28 04:37:43,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239336009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:43,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:37:43,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:37:43,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627352903] [2024-11-28 04:37:43,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:43,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:37:43,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:43,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:37:43,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:37:43,906 INFO L87 Difference]: Start difference. First operand 54440 states and 77134 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-28 04:37:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:46,287 INFO L93 Difference]: Finished difference Result 112446 states and 160130 transitions. [2024-11-28 04:37:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:37:46,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 569 [2024-11-28 04:37:46,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:46,882 INFO L225 Difference]: With dead ends: 112446 [2024-11-28 04:37:46,882 INFO L226 Difference]: Without dead ends: 58057 [2024-11-28 04:37:46,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:37:46,975 INFO L435 NwaCegarLoop]: 1307 mSDtfsCounter, 135 mSDsluCounter, 6422 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 7729 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:37:46,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 7729 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:37:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58057 states. [2024-11-28 04:37:49,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58057 to 57520. [2024-11-28 04:37:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57520 states, 43622 states have (on average 1.3806107010224198) internal successors, (60225), 44057 states have internal predecessors, (60225), 9553 states have call successors, (9553), 3787 states have call predecessors, (9553), 4344 states have return successors, (11972), 9835 states have call predecessors, (11972), 9516 states have call successors, (11972) [2024-11-28 04:37:49,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57520 states to 57520 states and 81750 transitions. [2024-11-28 04:37:50,011 INFO L78 Accepts]: Start accepts. Automaton has 57520 states and 81750 transitions. Word has length 569 [2024-11-28 04:37:50,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:50,012 INFO L471 AbstractCegarLoop]: Abstraction has 57520 states and 81750 transitions. [2024-11-28 04:37:50,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-28 04:37:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 57520 states and 81750 transitions. [2024-11-28 04:37:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2024-11-28 04:37:50,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:50,114 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:37:50,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:37:50,114 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:50,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:50,114 INFO L85 PathProgramCache]: Analyzing trace with hash -288216019, now seen corresponding path program 1 times [2024-11-28 04:37:50,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:50,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638571836] [2024-11-28 04:37:50,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:50,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2785 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2783 trivial. 0 not checked. [2024-11-28 04:37:51,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:51,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638571836] [2024-11-28 04:37:51,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638571836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:51,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:37:51,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:37:51,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003850764] [2024-11-28 04:37:51,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:51,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:37:51,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:51,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:37:51,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:37:51,967 INFO L87 Difference]: Start difference. First operand 57520 states and 81750 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 5 states have internal predecessors, (146), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48)