./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:39:09,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:39:09,315 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:39:09,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:39:09,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:39:09,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:39:09,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:39:09,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:39:09,363 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:39:09,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:39:09,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:39:09,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:39:09,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:39:09,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:39:09,378 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:39:09,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:39:09,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:39:09,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:39:09,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:39:09,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:39:09,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:39:09,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:39:09,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:39:09,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:39:09,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:39:09,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:39:09,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:39:09,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:39:09,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:39:09,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:39:09,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:39:09,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:39:09,389 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e [2024-11-19 03:39:09,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:39:09,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:39:09,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:39:09,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:39:09,660 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:39:09,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2024-11-19 03:39:11,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:39:11,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:39:11,788 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2024-11-19 03:39:11,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fcf3666d/b6ad9f4ced4a465796cb2a2ceed3912f/FLAGd22a3d51d [2024-11-19 03:39:11,922 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fcf3666d/b6ad9f4ced4a465796cb2a2ceed3912f [2024-11-19 03:39:11,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:39:11,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:39:11,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:39:11,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:39:11,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:39:11,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:11" (1/1) ... [2024-11-19 03:39:11,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d23e9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:11, skipping insertion in model container [2024-11-19 03:39:11,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:39:11" (1/1) ... [2024-11-19 03:39:12,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:39:13,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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] [2024-11-19 03:39:13,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:39:13,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:39:13,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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] [2024-11-19 03:39:13,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:39:13,854 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:39:13,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13 WrapperNode [2024-11-19 03:39:13,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:39:13,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:39:13,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:39:13,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:39:13,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:13,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,038 INFO L138 Inliner]: procedures = 210, calls = 1206, calls flagged for inlining = 98, calls inlined = 94, statements flattened = 3607 [2024-11-19 03:39:14,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:39:14,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:39:14,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:39:14,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:39:14,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,070 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,567 INFO L175 MemorySlicer]: Split 604 memory accesses to 7 slices as follows [491, 2, 17, 3, 39, 47, 5]. 81 percent of accesses are in the largest equivalence class. The 42 initializations are split as follows [40, 2, 0, 0, 0, 0, 0]. The 446 writes are split as follows [382, 0, 12, 3, 2, 47, 0]. [2024-11-19 03:39:14,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:39:14,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:39:14,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:39:14,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:39:14,763 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (1/1) ... [2024-11-19 03:39:14,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:39:14,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:39:14,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:39:14,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:39:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_select_profile [2024-11-19 03:39:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_select_profile [2024-11-19 03:39:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-19 03:39:14,876 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-19 03:39:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_receive [2024-11-19 03:39:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_receive [2024-11-19 03:39:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:39:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:39:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:39:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:39:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:39:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:39:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:39:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:39:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:39:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_drvdata [2024-11-19 03:39:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_drvdata [2024-11-19 03:39:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:39:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:39:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_raw_event [2024-11-19 03:39:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_raw_event [2024-11-19 03:39:14,887 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-11-19 03:39:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-11-19 03:39:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:39:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:39:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_report_event [2024-11-19 03:39:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_report_event [2024-11-19 03:39:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2024-11-19 03:39:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2024-11-19 03:39:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:39:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:39:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:39:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:39:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:39:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:39:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:39:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:39:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-11-19 03:39:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-11-19 03:39:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write [2024-11-19 03:39:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_remove [2024-11-19 03:39:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_remove [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:39:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_convert_event_cpi [2024-11-19 03:39:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_convert_event_cpi [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 03:39:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:39:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:39:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:39:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:39:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:39:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:39:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-19 03:39:14,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-19 03:39:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:39:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:39:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:39:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:39:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:39:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:39:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-11-19 03:39:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:39:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_settings [2024-11-19 03:39:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_settings [2024-11-19 03:39:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read [2024-11-19 03:39:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read [2024-11-19 03:39:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_profile_activated [2024-11-19 03:39:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_profile_activated [2024-11-19 03:39:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:39:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:39:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-19 03:39:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-19 03:39:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:39:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:39:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:39:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:39:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:39:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:39:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:39:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:39:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:39:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:39:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:39:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:39:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:39:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:39:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:39:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:39:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:39:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:39:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:39:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:39:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:39:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:39:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_buttons [2024-11-19 03:39:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_buttons [2024-11-19 03:39:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send_with_status [2024-11-19 03:39:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send_with_status [2024-11-19 03:39:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:39:14,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:39:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:39:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:39:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:39:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:39:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:39:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-19 03:39:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-19 03:39:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:39:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:39:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:39:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:39:15,440 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:39:15,442 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:39:15,552 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:39:31,382 INFO L? ?]: Removed 1153 outVars from TransFormulas that were not future-live. [2024-11-19 03:39:31,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:39:31,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:39:31,422 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-19 03:39:31,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:31 BoogieIcfgContainer [2024-11-19 03:39:31,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:39:31,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:39:31,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:39:31,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:39:31,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:39:11" (1/3) ... [2024-11-19 03:39:31,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebac445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:39:31, skipping insertion in model container [2024-11-19 03:39:31,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:39:13" (2/3) ... [2024-11-19 03:39:31,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ebac445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:39:31, skipping insertion in model container [2024-11-19 03:39:31,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:39:31" (3/3) ... [2024-11-19 03:39:31,432 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-11-19 03:39:31,449 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:39:31,450 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:39:31,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:39:31,559 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;@6b2f139b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:39:31,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:39:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 938 states, 646 states have (on average 1.3761609907120742) internal successors, (889), 680 states have internal predecessors, (889), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-19 03:39:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2024-11-19 03:39:31,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:39:31,648 INFO L215 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] [2024-11-19 03:39:31,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:39:31,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:39:31,654 INFO L85 PathProgramCache]: Analyzing trace with hash -888666668, now seen corresponding path program 1 times [2024-11-19 03:39:31,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:39:31,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896799996] [2024-11-19 03:39:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:39:31,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:39:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:39:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 24655 trivial. 0 not checked. [2024-11-19 03:39:42,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:39:42,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896799996] [2024-11-19 03:39:42,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896799996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:39:42,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984231144] [2024-11-19 03:39:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:39:42,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:39:42,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:39:42,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:39:42,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:39:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:39:51,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 10478 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:39:51,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:39:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 24435 trivial. 0 not checked. [2024-11-19 03:39:51,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:39:51,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984231144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:39:51,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:39:51,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:39:51,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081466365] [2024-11-19 03:39:51,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:39:51,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:39:51,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:39:51,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:39:51,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:39:51,970 INFO L87 Difference]: Start difference. First operand has 938 states, 646 states have (on average 1.3761609907120742) internal successors, (889), 680 states have internal predecessors, (889), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 234 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) [2024-11-19 03:39:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:39:52,064 INFO L93 Difference]: Finished difference Result 1853 states and 2841 transitions. [2024-11-19 03:39:52,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:39:52,069 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 [2024-11-19 03:39:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:39:52,086 INFO L225 Difference]: With dead ends: 1853 [2024-11-19 03:39:52,087 INFO L226 Difference]: Without dead ends: 881 [2024-11-19 03:39:52,096 INFO L431 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 [2024-11-19 03:39:52,100 INFO L432 NwaCegarLoop]: 1357 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, 1357 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 [2024-11-19 03:39:52,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:39:52,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-19 03:39:52,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2024-11-19 03:39:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 625 states have (on average 1.3392) internal successors, (837), 633 states have internal predecessors, (837), 225 states have call successors, (225), 31 states have call predecessors, (225), 30 states have return successors, (219), 219 states have call predecessors, (219), 219 states have call successors, (219) [2024-11-19 03:39:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1281 transitions. [2024-11-19 03:39:52,207 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1281 transitions. Word has length 1238 [2024-11-19 03:39:52,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:39:52,208 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1281 transitions. [2024-11-19 03:39:52,208 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) [2024-11-19 03:39:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1281 transitions. [2024-11-19 03:39:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2024-11-19 03:39:52,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:39:52,251 INFO L215 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] [2024-11-19 03:39:52,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 03:39:52,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:39:52,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:39:52,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:39:52,457 INFO L85 PathProgramCache]: Analyzing trace with hash -762889276, now seen corresponding path program 1 times [2024-11-19 03:39:52,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:39:52,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799216686] [2024-11-19 03:39:52,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:39:52,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:40:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24930 trivial. 0 not checked. [2024-11-19 03:40:02,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:40:02,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799216686] [2024-11-19 03:40:02,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799216686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:02,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:40:02,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:40:02,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428856373] [2024-11-19 03:40:02,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:02,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:40:02,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:40:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:02,419 INFO L87 Difference]: Start difference. First operand 881 states and 1281 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) [2024-11-19 03:40:06,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:40:07,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:07,175 INFO L93 Difference]: Finished difference Result 2150 states and 3122 transitions. [2024-11-19 03:40:07,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:40:07,176 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 [2024-11-19 03:40:07,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:07,193 INFO L225 Difference]: With dead ends: 2150 [2024-11-19 03:40:07,193 INFO L226 Difference]: Without dead ends: 1483 [2024-11-19 03:40:07,198 INFO L431 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 [2024-11-19 03:40:07,199 INFO L432 NwaCegarLoop]: 1300 mSDtfsCounter, 882 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 2551 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 [2024-11-19 03:40:07,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 2551 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-19 03:40:07,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2024-11-19 03:40:07,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1479. [2024-11-19 03:40:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1098 states have (on average 1.3770491803278688) internal successors, (1512), 1108 states have internal predecessors, (1512), 323 states have call successors, (323), 58 states have call predecessors, (323), 57 states have return successors, (317), 317 states have call predecessors, (317), 317 states have call successors, (317) [2024-11-19 03:40:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2152 transitions. [2024-11-19 03:40:07,294 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2152 transitions. Word has length 1238 [2024-11-19 03:40:07,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:07,300 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 2152 transitions. [2024-11-19 03:40:07,300 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) [2024-11-19 03:40:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2152 transitions. [2024-11-19 03:40:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1251 [2024-11-19 03:40:07,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:07,316 INFO L215 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] [2024-11-19 03:40:07,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:40:07,317 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:07,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:07,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1082031071, now seen corresponding path program 1 times [2024-11-19 03:40:07,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:07,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455465343] [2024-11-19 03:40:07,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:40:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-19 03:40:14,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:40:14,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455465343] [2024-11-19 03:40:14,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455465343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:14,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:40:14,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:40:14,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241578884] [2024-11-19 03:40:14,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:14,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:40:14,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:14,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:40:14,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:14,607 INFO L87 Difference]: Start difference. First operand 1479 states and 2152 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) [2024-11-19 03:40:14,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:14,813 INFO L93 Difference]: Finished difference Result 3961 states and 5748 transitions. [2024-11-19 03:40:14,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:40:15,024 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 [2024-11-19 03:40:15,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:15,039 INFO L225 Difference]: With dead ends: 3961 [2024-11-19 03:40:15,042 INFO L226 Difference]: Without dead ends: 2696 [2024-11-19 03:40:15,049 INFO L431 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 [2024-11-19 03:40:15,050 INFO L432 NwaCegarLoop]: 1287 mSDtfsCounter, 1231 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:40:15,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1231 Valid, 2245 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:40:15,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2024-11-19 03:40:15,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2675. [2024-11-19 03:40:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2675 states, 2045 states have (on average 1.3985330073349633) internal successors, (2860), 2061 states have internal predecessors, (2860), 517 states have call successors, (517), 113 states have call predecessors, (517), 112 states have return successors, (511), 510 states have call predecessors, (511), 511 states have call successors, (511) [2024-11-19 03:40:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 3888 transitions. [2024-11-19 03:40:15,141 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 3888 transitions. Word has length 1250 [2024-11-19 03:40:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:15,144 INFO L471 AbstractCegarLoop]: Abstraction has 2675 states and 3888 transitions. [2024-11-19 03:40:15,144 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) [2024-11-19 03:40:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3888 transitions. [2024-11-19 03:40:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2024-11-19 03:40:15,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:15,154 INFO L215 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] [2024-11-19 03:40:15,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:40:15,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:15,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:15,156 INFO L85 PathProgramCache]: Analyzing trace with hash 937670472, now seen corresponding path program 1 times [2024-11-19 03:40:15,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:15,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139613463] [2024-11-19 03:40:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:40:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-19 03:40:22,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:40:22,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139613463] [2024-11-19 03:40:22,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139613463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:22,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:40:22,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:40:22,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164055847] [2024-11-19 03:40:22,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:22,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:40:22,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:22,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:40:22,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:22,693 INFO L87 Difference]: Start difference. First operand 2675 states and 3888 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) [2024-11-19 03:40:22,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:22,996 INFO L93 Difference]: Finished difference Result 7499 states and 10880 transitions. [2024-11-19 03:40:22,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:40:22,997 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 [2024-11-19 03:40:22,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:23,022 INFO L225 Difference]: With dead ends: 7499 [2024-11-19 03:40:23,022 INFO L226 Difference]: Without dead ends: 5038 [2024-11-19 03:40:23,030 INFO L431 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 [2024-11-19 03:40:23,033 INFO L432 NwaCegarLoop]: 1319 mSDtfsCounter, 1218 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:40:23,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 2268 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:40:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5038 states. [2024-11-19 03:40:23,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5038 to 5015. [2024-11-19 03:40:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 3887 states have (on average 1.4087985593002315) internal successors, (5476), 3915 states have internal predecessors, (5476), 905 states have call successors, (905), 223 states have call predecessors, (905), 222 states have return successors, (899), 896 states have call predecessors, (899), 899 states have call successors, (899) [2024-11-19 03:40:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 7280 transitions. [2024-11-19 03:40:23,201 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 7280 transitions. Word has length 1255 [2024-11-19 03:40:23,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:23,203 INFO L471 AbstractCegarLoop]: Abstraction has 5015 states and 7280 transitions. [2024-11-19 03:40:23,204 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) [2024-11-19 03:40:23,204 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 7280 transitions. [2024-11-19 03:40:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1253 [2024-11-19 03:40:23,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:23,217 INFO L215 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] [2024-11-19 03:40:23,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:40:23,218 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:23,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:23,219 INFO L85 PathProgramCache]: Analyzing trace with hash -15457753, now seen corresponding path program 1 times [2024-11-19 03:40:23,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:23,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78691888] [2024-11-19 03:40:23,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:23,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:40:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:40:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24933 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24933 trivial. 0 not checked. [2024-11-19 03:40:30,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:40:30,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78691888] [2024-11-19 03:40:30,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78691888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:40:30,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:40:30,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:40:30,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960690783] [2024-11-19 03:40:30,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:40:30,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:40:30,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:40:30,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:40:30,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:40:30,556 INFO L87 Difference]: Start difference. First operand 5015 states and 7280 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) [2024-11-19 03:40:30,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:40:30,968 INFO L93 Difference]: Finished difference Result 14465 states and 20970 transitions. [2024-11-19 03:40:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:40:30,969 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 [2024-11-19 03:40:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:40:31,021 INFO L225 Difference]: With dead ends: 14465 [2024-11-19 03:40:31,021 INFO L226 Difference]: Without dead ends: 9664 [2024-11-19 03:40:31,041 INFO L431 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 [2024-11-19 03:40:31,042 INFO L432 NwaCegarLoop]: 1348 mSDtfsCounter, 1235 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:40:31,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 2297 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:40:31,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9664 states. [2024-11-19 03:40:31,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9664 to 9643. [2024-11-19 03:40:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9643 states, 7519 states have (on average 1.4124218646096556) internal successors, (10620), 7571 states have internal predecessors, (10620), 1681 states have call successors, (1681), 443 states have call predecessors, (1681), 442 states have return successors, (1675), 1668 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-11-19 03:40:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9643 states to 9643 states and 13976 transitions. [2024-11-19 03:40:31,471 INFO L78 Accepts]: Start accepts. Automaton has 9643 states and 13976 transitions. Word has length 1252 [2024-11-19 03:40:31,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:40:31,473 INFO L471 AbstractCegarLoop]: Abstraction has 9643 states and 13976 transitions. [2024-11-19 03:40:31,473 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) [2024-11-19 03:40:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 9643 states and 13976 transitions. [2024-11-19 03:40:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1257 [2024-11-19 03:40:31,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:40:31,487 INFO L215 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] [2024-11-19 03:40:31,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:40:31,488 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:40:31,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:40:31,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1509862533, now seen corresponding path program 1 times [2024-11-19 03:40:31,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:40:31,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875071301] [2024-11-19 03:40:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:40:31,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms