./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--hid--hid-roccat-kovaplus.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_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/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_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/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--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/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_1cdf581e-9c2d-4271-9c44-dd978d9d712e/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 e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:30:05,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:30:05,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:30:05,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:30:05,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:30:05,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:30:05,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:30:05,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:30:05,888 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:30:05,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:30:05,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:30:05,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:30:05,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:30:05,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:30:05,891 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:30:05,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:30:05,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:30:05,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:30:05,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:30:05,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:30:05,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:30:05,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:30:05,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:30:05,893 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:30:05,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:30:05,893 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:30:05,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:30:05,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:30:05,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:30:05,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:30:05,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:30:05,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:30:05,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:30:05,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:30:05,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:30:05,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:30:05,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:30:05,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:30:05,896 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_1cdf581e-9c2d-4271-9c44-dd978d9d712e/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 -> e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e [2024-11-27 20:30:06,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:30:06,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:30:06,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:30:06,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:30:06,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:30:06,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-11-27 20:30:09,394 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/data/a6de9b9e5/c13d1dddbcc34b3ea5ca34d8dadf594a/FLAG2c34a683d [2024-11-27 20:30:09,970 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:30:09,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-11-27 20:30:10,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/data/a6de9b9e5/c13d1dddbcc34b3ea5ca34d8dadf594a/FLAG2c34a683d [2024-11-27 20:30:10,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/data/a6de9b9e5/c13d1dddbcc34b3ea5ca34d8dadf594a [2024-11-27 20:30:10,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:30:10,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:30:10,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:30:10,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:30:10,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:30:10,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:30:10" (1/1) ... [2024-11-27 20:30:10,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e409416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:10, skipping insertion in model container [2024-11-27 20:30:10,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:30:10" (1/1) ... [2024-11-27 20:30:10,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:30:11,711 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_1cdf581e-9c2d-4271-9c44-dd978d9d712e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i[186321,186334] [2024-11-27 20:30:11,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:30:11,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:30:12,319 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_1cdf581e-9c2d-4271-9c44-dd978d9d712e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i[186321,186334] [2024-11-27 20:30:12,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:30:12,492 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:30:12,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12 WrapperNode [2024-11-27 20:30:12,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:30:12,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:30:12,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:30:12,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:30:12,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:12,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:12,743 INFO L138 Inliner]: procedures = 210, calls = 1206, calls flagged for inlining = 98, calls inlined = 94, statements flattened = 3589 [2024-11-27 20:30:12,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:30:12,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:30:12,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:30:12,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:30:12,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:12,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:12,777 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,407 INFO L175 MemorySlicer]: Split 604 memory accesses to 7 slices as follows [2, 491, 39, 5, 47, 3, 17]. 81 percent of accesses are in the largest equivalence class. The 42 initializations are split as follows [2, 40, 0, 0, 0, 0, 0]. The 446 writes are split as follows [0, 382, 2, 0, 47, 3, 12]. [2024-11-27 20:30:13,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:30:13,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:30:13,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:30:13,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:30:13,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (1/1) ... [2024-11-27 20:30:13,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:30:13,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:30:13,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:30:13,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:30:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_select_profile [2024-11-27 20:30:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_select_profile [2024-11-27 20:30:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 20:30:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 20:30:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_receive [2024-11-27 20:30:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_receive [2024-11-27 20:30:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:30:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:30:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:30:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:30:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:30:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:30:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:30:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:30:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:30:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_drvdata [2024-11-27 20:30:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_drvdata [2024-11-27 20:30:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 20:30:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 20:30:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_raw_event [2024-11-27 20:30:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_raw_event [2024-11-27 20:30:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-11-27 20:30:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-11-27 20:30:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:30:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:30:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_report_event [2024-11-27 20:30:13,701 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_report_event [2024-11-27 20:30:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2024-11-27 20:30:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2024-11-27 20:30:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 20:30:13,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 20:30:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 20:30:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 20:30:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:30:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:30:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-27 20:30:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-27 20:30:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-11-27 20:30:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-11-27 20:30:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write [2024-11-27 20:30:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write [2024-11-27 20:30:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:30:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_remove [2024-11-27 20:30:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_remove [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_convert_event_cpi [2024-11-27 20:30:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_convert_event_cpi [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:30:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:30:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 20:30:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-27 20:30:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:30:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:30:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-11-27 20:30:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-11-27 20:30:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_settings [2024-11-27 20:30:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_settings [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read [2024-11-27 20:30:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_profile_activated [2024-11-27 20:30:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_profile_activated [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:30:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:30:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-27 20:30:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-27 20:30:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-27 20:30:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:30:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:30:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_buttons [2024-11-27 20:30:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_buttons [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send_with_status [2024-11-27 20:30:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send_with_status [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:30:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-27 20:30:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-27 20:30:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:30:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:30:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 20:30:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 20:30:14,487 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:30:14,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:30:14,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:30:30,074 INFO L? ?]: Removed 1147 outVars from TransFormulas that were not future-live. [2024-11-27 20:30:30,074 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:30:30,119 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:30:30,124 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-27 20:30:30,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:30:30 BoogieIcfgContainer [2024-11-27 20:30:30,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:30:30,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:30:30,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:30:30,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:30:30,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:30:10" (1/3) ... [2024-11-27 20:30:30,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b21872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:30:30, skipping insertion in model container [2024-11-27 20:30:30,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:30:12" (2/3) ... [2024-11-27 20:30:30,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b21872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:30:30, skipping insertion in model container [2024-11-27 20:30:30,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:30:30" (3/3) ... [2024-11-27 20:30:30,142 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-11-27 20:30:30,162 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:30:30,167 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i that has 36 procedures, 934 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-27 20:30:30,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:30:30,280 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;@2e711ac4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:30:30,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:30:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 933 states, 641 states have (on average 1.3790951638065523) internal successors, (884), 677 states have internal predecessors, (884), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-27 20:30:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2024-11-27 20:30:30,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:30,394 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:30,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:30:30,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:30,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1389906855, now seen corresponding path program 1 times [2024-11-27 20:30:30,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:30,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297117704] [2024-11-27 20:30:30,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:30,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 24655 trivial. 0 not checked. [2024-11-27 20:30:42,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:42,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297117704] [2024-11-27 20:30:42,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297117704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:30:42,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182013848] [2024-11-27 20:30:42,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:42,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:42,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:30:42,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:30:42,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:30:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:53,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 10478 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:30:53,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:30:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 24435 trivial. 0 not checked. [2024-11-27 20:30:53,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:30:53,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182013848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:53,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:30:53,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:30:53,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44466198] [2024-11-27 20:30:53,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:53,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:30:53,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:53,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:30:53,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:30:53,338 INFO L87 Difference]: Start difference. First operand has 933 states, 641 states have (on average 1.3790951638065523) internal successors, (884), 677 states have internal predecessors, (884), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) Second operand has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:30:53,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:53,460 INFO L93 Difference]: Finished difference Result 1843 states and 2831 transitions. [2024-11-27 20:30:53,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:30:53,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1238 [2024-11-27 20:30:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:53,485 INFO L225 Difference]: With dead ends: 1843 [2024-11-27 20:30:53,485 INFO L226 Difference]: Without dead ends: 877 [2024-11-27 20:30:53,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1239 GetRequests, 1239 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:30:53,496 INFO L435 NwaCegarLoop]: 1352 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, 1352 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 [2024-11-27 20:30:53,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:30:53,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2024-11-27 20:30:53,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 877. [2024-11-27 20:30:53,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 621 states have (on average 1.3413848631239935) internal successors, (833), 631 states have internal predecessors, (833), 225 states have call successors, (225), 31 states have call predecessors, (225), 30 states have return successors, (219), 217 states have call predecessors, (219), 219 states have call successors, (219) [2024-11-27 20:30:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1277 transitions. [2024-11-27 20:30:53,646 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1277 transitions. Word has length 1238 [2024-11-27 20:30:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:53,647 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1277 transitions. [2024-11-27 20:30:53,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 2 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:30:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1277 transitions. [2024-11-27 20:30:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2024-11-27 20:30:53,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:53,707 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:53,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:30:53,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cdf581e-9c2d-4271-9c44-dd978d9d712e/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:53,908 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:30:53,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:53,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1515684247, now seen corresponding path program 1 times [2024-11-27 20:30:53,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:53,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492484029] [2024-11-27 20:30:53,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:53,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24930 trivial. 0 not checked. [2024-11-27 20:31:05,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:31:05,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492484029] [2024-11-27 20:31:05,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492484029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:05,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:05,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:31:05,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713047186] [2024-11-27 20:31:05,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:05,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:31:05,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:05,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:31:05,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:05,948 INFO L87 Difference]: Start difference. First operand 877 states and 1277 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2024-11-27 20:31:10,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:31:10,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:10,758 INFO L93 Difference]: Finished difference Result 2138 states and 3110 transitions. [2024-11-27 20:31:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:31:10,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) Word has length 1238 [2024-11-27 20:31:10,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:10,776 INFO L225 Difference]: With dead ends: 2138 [2024-11-27 20:31:10,776 INFO L226 Difference]: Without dead ends: 1475 [2024-11-27 20:31:10,779 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 [2024-11-27 20:31:10,780 INFO L435 NwaCegarLoop]: 1296 mSDtfsCounter, 878 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 2543 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:10,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 2543 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-27 20:31:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-11-27 20:31:10,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1471. [2024-11-27 20:31:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1090 states have (on average 1.379816513761468) internal successors, (1504), 1104 states have internal predecessors, (1504), 323 states have call successors, (323), 58 states have call predecessors, (323), 57 states have return successors, (317), 313 states have call predecessors, (317), 317 states have call successors, (317) [2024-11-27 20:31:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2144 transitions. [2024-11-27 20:31:10,871 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2144 transitions. Word has length 1238 [2024-11-27 20:31:10,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:10,875 INFO L471 AbstractCegarLoop]: Abstraction has 1471 states and 2144 transitions. [2024-11-27 20:31:10,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2024-11-27 20:31:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2144 transitions. [2024-11-27 20:31:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1251 [2024-11-27 20:31:10,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:10,896 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:10,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:31:10,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:10,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:10,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1503483385, now seen corresponding path program 1 times [2024-11-27 20:31:10,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:10,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530034142] [2024-11-27 20:31:10,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-27 20:31:20,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:31:20,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530034142] [2024-11-27 20:31:20,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530034142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:20,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:20,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:31:20,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957108603] [2024-11-27 20:31:20,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:20,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:31:20,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:20,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:31:20,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:20,612 INFO L87 Difference]: Start difference. First operand 1471 states and 2144 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:31:20,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:20,896 INFO L93 Difference]: Finished difference Result 3937 states and 5724 transitions. [2024-11-27 20:31:20,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:31:20,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1250 [2024-11-27 20:31:20,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:20,922 INFO L225 Difference]: With dead ends: 3937 [2024-11-27 20:31:20,922 INFO L226 Difference]: Without dead ends: 2680 [2024-11-27 20:31:20,927 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 [2024-11-27 20:31:20,927 INFO L435 NwaCegarLoop]: 1283 mSDtfsCounter, 1227 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:20,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2237 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:31:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2024-11-27 20:31:21,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2659. [2024-11-27 20:31:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2659 states, 2029 states have (on average 1.401675702316412) internal successors, (2844), 2053 states have internal predecessors, (2844), 517 states have call successors, (517), 113 states have call predecessors, (517), 112 states have return successors, (511), 502 states have call predecessors, (511), 511 states have call successors, (511) [2024-11-27 20:31:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 3872 transitions. [2024-11-27 20:31:21,071 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 3872 transitions. Word has length 1250 [2024-11-27 20:31:21,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:21,074 INFO L471 AbstractCegarLoop]: Abstraction has 2659 states and 3872 transitions. [2024-11-27 20:31:21,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:31:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3872 transitions. [2024-11-27 20:31:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1253 [2024-11-27 20:31:21,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:21,091 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:21,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:31:21,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:21,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:21,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1640884981, now seen corresponding path program 1 times [2024-11-27 20:31:21,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:21,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022604184] [2024-11-27 20:31:21,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:21,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-27 20:31:30,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:31:30,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022604184] [2024-11-27 20:31:30,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022604184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:30,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:31:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871892976] [2024-11-27 20:31:30,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:30,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:31:30,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:30,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:31:30,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:30,071 INFO L87 Difference]: Start difference. First operand 2659 states and 3872 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:31:30,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:30,527 INFO L93 Difference]: Finished difference Result 7469 states and 10858 transitions. [2024-11-27 20:31:30,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:31:30,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1252 [2024-11-27 20:31:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:30,562 INFO L225 Difference]: With dead ends: 7469 [2024-11-27 20:31:30,562 INFO L226 Difference]: Without dead ends: 5024 [2024-11-27 20:31:30,570 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 [2024-11-27 20:31:30,572 INFO L435 NwaCegarLoop]: 1315 mSDtfsCounter, 1231 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 2260 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:30,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 2260 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:31:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5024 states. [2024-11-27 20:31:30,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5024 to 5003. [2024-11-27 20:31:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5003 states, 3867 states have (on average 1.4109128523403154) internal successors, (5456), 3911 states have internal predecessors, (5456), 913 states have call successors, (913), 223 states have call predecessors, (913), 222 states have return successors, (907), 888 states have call predecessors, (907), 907 states have call successors, (907) [2024-11-27 20:31:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5003 states to 5003 states and 7276 transitions. [2024-11-27 20:31:30,818 INFO L78 Accepts]: Start accepts. Automaton has 5003 states and 7276 transitions. Word has length 1252 [2024-11-27 20:31:30,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:30,821 INFO L471 AbstractCegarLoop]: Abstraction has 5003 states and 7276 transitions. [2024-11-27 20:31:30,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:31:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5003 states and 7276 transitions. [2024-11-27 20:31:30,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2024-11-27 20:31:30,837 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:30,838 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:30,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:31:30,838 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:30,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:30,839 INFO L85 PathProgramCache]: Analyzing trace with hash -295804747, now seen corresponding path program 1 times [2024-11-27 20:31:30,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:30,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490828687] [2024-11-27 20:31:30,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:30,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-27 20:31:39,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:31:39,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490828687] [2024-11-27 20:31:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490828687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:39,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:39,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:31:39,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391099323] [2024-11-27 20:31:39,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:39,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:31:39,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:39,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:31:39,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:39,317 INFO L87 Difference]: Start difference. First operand 5003 states and 7276 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:31:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:39,865 INFO L93 Difference]: Finished difference Result 14395 states and 20908 transitions. [2024-11-27 20:31:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:31:39,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1255 [2024-11-27 20:31:39,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:39,929 INFO L225 Difference]: With dead ends: 14395 [2024-11-27 20:31:39,929 INFO L226 Difference]: Without dead ends: 9606 [2024-11-27 20:31:39,946 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 [2024-11-27 20:31:39,947 INFO L435 NwaCegarLoop]: 1344 mSDtfsCounter, 1214 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:39,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 2289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:31:39,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9606 states. [2024-11-27 20:31:40,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9606 to 9579. [2024-11-27 20:31:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9579 states, 7455 states have (on average 1.415962441314554) internal successors, (10556), 7539 states have internal predecessors, (10556), 1681 states have call successors, (1681), 443 states have call predecessors, (1681), 442 states have return successors, (1675), 1636 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-11-27 20:31:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9579 states to 9579 states and 13912 transitions. [2024-11-27 20:31:40,389 INFO L78 Accepts]: Start accepts. Automaton has 9579 states and 13912 transitions. Word has length 1255 [2024-11-27 20:31:40,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:40,391 INFO L471 AbstractCegarLoop]: Abstraction has 9579 states and 13912 transitions. [2024-11-27 20:31:40,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:31:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 9579 states and 13912 transitions. [2024-11-27 20:31:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1257 [2024-11-27 20:31:40,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:40,406 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:40,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:31:40,407 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:40,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:40,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1260711447, now seen corresponding path program 1 times [2024-11-27 20:31:40,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:40,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930426207] [2024-11-27 20:31:40,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-11-27 20:31:50,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:31:50,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930426207] [2024-11-27 20:31:50,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930426207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:50,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:50,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:31:50,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486088108] [2024-11-27 20:31:50,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:50,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:31:50,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:50,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:31:50,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:31:50,463 INFO L87 Difference]: Start difference. First operand 9579 states and 13912 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:31:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:50,722 INFO L93 Difference]: Finished difference Result 9581 states and 13913 transitions. [2024-11-27 20:31:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:31:50,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1256 [2024-11-27 20:31:50,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:50,807 INFO L225 Difference]: With dead ends: 9581 [2024-11-27 20:31:50,807 INFO L226 Difference]: Without dead ends: 9578 [2024-11-27 20:31:50,813 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 [2024-11-27 20:31:50,813 INFO L435 NwaCegarLoop]: 1274 mSDtfsCounter, 1042 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 1274 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 [2024-11-27 20:31:50,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 1274 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:31:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9578 states. [2024-11-27 20:31:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9578 to 9578. [2024-11-27 20:31:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9578 states, 7455 states have (on average 1.4158283031522467) internal successors, (10555), 7538 states have internal predecessors, (10555), 1680 states have call successors, (1680), 443 states have call predecessors, (1680), 442 states have return successors, (1675), 1636 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-11-27 20:31:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9578 states to 9578 states and 13910 transitions. [2024-11-27 20:31:51,422 INFO L78 Accepts]: Start accepts. Automaton has 9578 states and 13910 transitions. Word has length 1256 [2024-11-27 20:31:51,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:51,424 INFO L471 AbstractCegarLoop]: Abstraction has 9578 states and 13910 transitions. [2024-11-27 20:31:51,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:31:51,425 INFO L276 IsEmpty]: Start isEmpty. Operand 9578 states and 13910 transitions. [2024-11-27 20:31:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1261 [2024-11-27 20:31:51,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:51,441 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:51,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:31:51,441 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:51,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:51,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1475106438, now seen corresponding path program 1 times [2024-11-27 20:31:51,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:51,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225558908] [2024-11-27 20:31:51,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:51,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:32:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:32:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-27 20:32:01,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:32:01,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225558908] [2024-11-27 20:32:01,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225558908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:32:01,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:32:01,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:32:01,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141639310] [2024-11-27 20:32:01,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:32:01,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:32:01,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:32:01,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:32:01,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:32:01,370 INFO L87 Difference]: Start difference. First operand 9578 states and 13910 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:32:02,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:32:02,232 INFO L93 Difference]: Finished difference Result 27592 states and 39994 transitions. [2024-11-27 20:32:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:32:02,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 1260 [2024-11-27 20:32:02,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:32:02,341 INFO L225 Difference]: With dead ends: 27592 [2024-11-27 20:32:02,342 INFO L226 Difference]: Without dead ends: 18228 [2024-11-27 20:32:02,373 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 [2024-11-27 20:32:02,375 INFO L435 NwaCegarLoop]: 1371 mSDtfsCounter, 1167 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:32:02,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 2320 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:32:02,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18228 states. [2024-11-27 20:32:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18228 to 18194. [2024-11-27 20:32:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18194 states, 14319 states have (on average 1.4226552133528878) internal successors, (20371), 14482 states have internal predecessors, (20371), 2992 states have call successors, (2992), 883 states have call predecessors, (2992), 882 states have return successors, (2987), 2908 states have call predecessors, (2987), 2987 states have call successors, (2987) [2024-11-27 20:32:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 26350 transitions. [2024-11-27 20:32:03,194 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 26350 transitions. Word has length 1260 [2024-11-27 20:32:03,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:32:03,201 INFO L471 AbstractCegarLoop]: Abstraction has 18194 states and 26350 transitions. [2024-11-27 20:32:03,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-27 20:32:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 26350 transitions. [2024-11-27 20:32:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2024-11-27 20:32:03,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:32:03,220 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:32:03,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:32:03,220 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:32:03,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:32:03,221 INFO L85 PathProgramCache]: Analyzing trace with hash -427722781, now seen corresponding path program 1 times [2024-11-27 20:32:03,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:32:03,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201172519] [2024-11-27 20:32:03,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:32:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:32:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:32:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-11-27 20:32:12,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:32:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201172519] [2024-11-27 20:32:12,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201172519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:32:12,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:32:12,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:32:12,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205815635] [2024-11-27 20:32:12,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:32:12,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:32:12,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:32:12,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:32:12,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:32:12,945 INFO L87 Difference]: Start difference. First operand 18194 states and 26350 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:32:13,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:32:13,761 INFO L93 Difference]: Finished difference Result 18390 states and 26480 transitions. [2024-11-27 20:32:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:32:13,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1257 [2024-11-27 20:32:13,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:32:13,861 INFO L225 Difference]: With dead ends: 18390 [2024-11-27 20:32:13,862 INFO L226 Difference]: Without dead ends: 18386 [2024-11-27 20:32:13,872 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 [2024-11-27 20:32:13,873 INFO L435 NwaCegarLoop]: 1269 mSDtfsCounter, 984 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:32:13,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 1325 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:32:13,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18386 states. [2024-11-27 20:32:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18386 to 18384. [2024-11-27 20:32:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18384 states, 14447 states have (on average 1.4166262891949886) internal successors, (20466), 14608 states have internal predecessors, (20466), 2990 states have call successors, (2990), 947 states have call predecessors, (2990), 946 states have return successors, (2987), 2908 states have call predecessors, (2987), 2987 states have call successors, (2987) [2024-11-27 20:32:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18384 states to 18384 states and 26443 transitions. [2024-11-27 20:32:15,016 INFO L78 Accepts]: Start accepts. Automaton has 18384 states and 26443 transitions. Word has length 1257 [2024-11-27 20:32:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:32:15,019 INFO L471 AbstractCegarLoop]: Abstraction has 18384 states and 26443 transitions. [2024-11-27 20:32:15,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:32:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 18384 states and 26443 transitions. [2024-11-27 20:32:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1259 [2024-11-27 20:32:15,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:32:15,049 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:32:15,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:32:15,049 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:32:15,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:32:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash -374873044, now seen corresponding path program 1 times [2024-11-27 20:32:15,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:32:15,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758450064] [2024-11-27 20:32:15,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:32:15,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:32:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:32:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-11-27 20:32:23,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:32:23,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758450064] [2024-11-27 20:32:23,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758450064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:32:23,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:32:23,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:32:23,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119701056] [2024-11-27 20:32:23,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:32:23,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:32:23,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:32:23,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:32:23,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:32:23,795 INFO L87 Difference]: Start difference. First operand 18384 states and 26443 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:32:24,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:32:24,277 INFO L93 Difference]: Finished difference Result 18386 states and 26444 transitions. [2024-11-27 20:32:24,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:32:24,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1258 [2024-11-27 20:32:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:32:24,363 INFO L225 Difference]: With dead ends: 18386 [2024-11-27 20:32:24,364 INFO L226 Difference]: Without dead ends: 18383 [2024-11-27 20:32:24,374 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 [2024-11-27 20:32:24,375 INFO L435 NwaCegarLoop]: 1268 mSDtfsCounter, 1034 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 1268 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 [2024-11-27 20:32:24,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 1268 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:32:24,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18383 states. [2024-11-27 20:32:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18383 to 18383. [2024-11-27 20:32:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18383 states, 14447 states have (on average 1.4165570706721118) internal successors, (20465), 14607 states have internal predecessors, (20465), 2989 states have call successors, (2989), 947 states have call predecessors, (2989), 946 states have return successors, (2987), 2908 states have call predecessors, (2987), 2987 states have call successors, (2987) [2024-11-27 20:32:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18383 states to 18383 states and 26441 transitions. [2024-11-27 20:32:25,109 INFO L78 Accepts]: Start accepts. Automaton has 18383 states and 26441 transitions. Word has length 1258 [2024-11-27 20:32:25,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:32:25,111 INFO L471 AbstractCegarLoop]: Abstraction has 18383 states and 26441 transitions. [2024-11-27 20:32:25,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:32:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand 18383 states and 26441 transitions. [2024-11-27 20:32:25,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1260 [2024-11-27 20:32:25,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:32:25,127 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:32:25,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:32:25,128 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:32:25,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:32:25,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1263473670, now seen corresponding path program 1 times [2024-11-27 20:32:25,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:32:25,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757772552] [2024-11-27 20:32:25,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:32:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:32:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:32:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24974 trivial. 0 not checked. [2024-11-27 20:32:33,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:32:33,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757772552] [2024-11-27 20:32:33,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757772552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:32:33,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:32:33,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:32:33,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399994897] [2024-11-27 20:32:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:32:33,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:32:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:32:33,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:32:33,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:32:33,699 INFO L87 Difference]: Start difference. First operand 18383 states and 26441 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:32:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:32:34,159 INFO L93 Difference]: Finished difference Result 18385 states and 26442 transitions. [2024-11-27 20:32:34,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:32:34,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 1259 [2024-11-27 20:32:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:32:34,238 INFO L225 Difference]: With dead ends: 18385 [2024-11-27 20:32:34,239 INFO L226 Difference]: Without dead ends: 18371 [2024-11-27 20:32:34,250 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 [2024-11-27 20:32:34,250 INFO L435 NwaCegarLoop]: 1267 mSDtfsCounter, 1031 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 1267 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 [2024-11-27 20:32:34,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:32:34,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18371 states. [2024-11-27 20:32:34,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18371 to 18371. [2024-11-27 20:32:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18371 states, 14438 states have (on average 1.4145310984900956) internal successors, (20423), 14597 states have internal predecessors, (20423), 2987 states have call successors, (2987), 946 states have call predecessors, (2987), 945 states have return successors, (2986), 2907 states have call predecessors, (2986), 2986 states have call successors, (2986) [2024-11-27 20:32:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18371 states to 18371 states and 26396 transitions. [2024-11-27 20:32:35,037 INFO L78 Accepts]: Start accepts. Automaton has 18371 states and 26396 transitions. Word has length 1259 [2024-11-27 20:32:35,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:32:35,039 INFO L471 AbstractCegarLoop]: Abstraction has 18371 states and 26396 transitions. [2024-11-27 20:32:35,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-27 20:32:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 18371 states and 26396 transitions. [2024-11-27 20:32:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2024-11-27 20:32:35,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:32:35,163 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:32:35,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:32:35,164 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:32:35,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:32:35,166 INFO L85 PathProgramCache]: Analyzing trace with hash -130462170, now seen corresponding path program 1 times [2024-11-27 20:32:35,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:32:35,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266488869] [2024-11-27 20:32:35,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:32:35,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:32:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:32:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-27 20:32:43,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:32:43,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266488869] [2024-11-27 20:32:43,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266488869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:32:43,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:32:43,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:32:43,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485632858] [2024-11-27 20:32:43,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:32:43,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:32:43,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:32:43,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:32:43,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:32:43,377 INFO L87 Difference]: Start difference. First operand 18371 states and 26396 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-27 20:32:44,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:32:44,639 INFO L93 Difference]: Finished difference Result 54195 states and 77805 transitions. [2024-11-27 20:32:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:32:44,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1279 [2024-11-27 20:32:44,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:32:44,776 INFO L225 Difference]: With dead ends: 54195 [2024-11-27 20:32:44,776 INFO L226 Difference]: Without dead ends: 36038 [2024-11-27 20:32:44,836 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 [2024-11-27 20:32:44,837 INFO L435 NwaCegarLoop]: 1411 mSDtfsCounter, 1187 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:32:44,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 2339 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:32:44,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36038 states. [2024-11-27 20:32:46,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36038 to 36019. [2024-11-27 20:32:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36019 states, 28326 states have (on average 1.4146367295064606) internal successors, (40071), 28645 states have internal predecessors, (40071), 5803 states have call successors, (5803), 1890 states have call predecessors, (5803), 1889 states have return successors, (5802), 5643 states have call predecessors, (5802), 5802 states have call successors, (5802) [2024-11-27 20:32:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36019 states to 36019 states and 51676 transitions. [2024-11-27 20:32:46,759 INFO L78 Accepts]: Start accepts. Automaton has 36019 states and 51676 transitions. Word has length 1279 [2024-11-27 20:32:46,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:32:46,761 INFO L471 AbstractCegarLoop]: Abstraction has 36019 states and 51676 transitions. [2024-11-27 20:32:46,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-27 20:32:46,762 INFO L276 IsEmpty]: Start isEmpty. Operand 36019 states and 51676 transitions. [2024-11-27 20:32:46,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1290 [2024-11-27 20:32:46,778 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:32:46,778 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:32:46,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:32:46,779 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:32:46,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:32:46,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1503955058, now seen corresponding path program 1 times [2024-11-27 20:32:46,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:32:46,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096188197] [2024-11-27 20:32:46,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:32:46,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:32:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:32:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 24936 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24936 trivial. 0 not checked. [2024-11-27 20:32:56,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:32:56,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096188197] [2024-11-27 20:32:56,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096188197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:32:56,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:32:56,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:32:56,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657510304] [2024-11-27 20:32:56,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:32:56,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:32:56,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:32:56,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:32:56,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:32:56,390 INFO L87 Difference]: Start difference. First operand 36019 states and 51676 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-11-27 20:32:58,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:32:58,290 INFO L93 Difference]: Finished difference Result 106819 states and 153117 transitions. [2024-11-27 20:32:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:32:58,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 1289 [2024-11-27 20:32:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:32:58,553 INFO L225 Difference]: With dead ends: 106819 [2024-11-27 20:32:58,553 INFO L226 Difference]: Without dead ends: 71014 [2024-11-27 20:32:58,642 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 [2024-11-27 20:32:58,643 INFO L435 NwaCegarLoop]: 1432 mSDtfsCounter, 1201 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 2360 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:32:58,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 2360 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:32:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71014 states. [2024-11-27 20:33:01,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71014 to 71003. [2024-11-27 20:33:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71003 states, 55806 states have (on average 1.4128767516037701) internal successors, (78847), 56445 states have internal predecessors, (78847), 11419 states have call successors, (11419), 3778 states have call predecessors, (11419), 3777 states have return successors, (11418), 11099 states have call predecessors, (11418), 11418 states have call successors, (11418) [2024-11-27 20:33:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71003 states to 71003 states and 101684 transitions. [2024-11-27 20:33:01,594 INFO L78 Accepts]: Start accepts. Automaton has 71003 states and 101684 transitions. Word has length 1289 [2024-11-27 20:33:01,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:33:01,596 INFO L471 AbstractCegarLoop]: Abstraction has 71003 states and 101684 transitions. [2024-11-27 20:33:01,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-11-27 20:33:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 71003 states and 101684 transitions. [2024-11-27 20:33:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1287 [2024-11-27 20:33:01,611 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:33:01,612 INFO L218 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:01,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:33:01,612 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:33:01,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:01,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2116751026, now seen corresponding path program 1 times [2024-11-27 20:33:01,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:33:01,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745806070] [2024-11-27 20:33:01,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms