./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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl --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 cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:05:21,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:05:21,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:05:21,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:05:21,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:05:21,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:05:21,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:05:21,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:05:21,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:05:21,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:05:21,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:05:21,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:05:21,641 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:05:21,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:05:21,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:05:21,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:05:21,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:05:21,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:05:21,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:05:21,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:05:21,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:05:21,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:05:21,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:05:21,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:05:21,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:05:21,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:05:21,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:05:21,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:05:21,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:05:21,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:05:21,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:05:21,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:05:21,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:05:21,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:05:21,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:05:21,657 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:05:21,657 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2023-11-12 02:05:21,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:05:21,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:05:21,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:05:21,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:05:21,957 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:05:21,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-12 02:05:25,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:05:25,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:05:25,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-12 02:05:25,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/data/ad2ed65f1/a4b75c6da73a4297bfe26d3178cdb05a/FLAG800213c42 [2023-11-12 02:05:25,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/data/ad2ed65f1/a4b75c6da73a4297bfe26d3178cdb05a [2023-11-12 02:05:25,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:05:25,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:05:25,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:25,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:05:25,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:05:25,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:25" (1/1) ... [2023-11-12 02:05:25,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f50f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:25, skipping insertion in model container [2023-11-12 02:05:25,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:05:25" (1/1) ... [2023-11-12 02:05:26,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:05:28,530 WARN L240 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_7bd8848c-16f3-4b44-8fc6-49588848fda8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2023-11-12 02:05:28,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:28,664 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:05:29,220 WARN L240 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_7bd8848c-16f3-4b44-8fc6-49588848fda8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2023-11-12 02:05:29,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:05:29,409 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:05:29,417 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:05:29,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29 WrapperNode [2023-11-12 02:05:29,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:05:29,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:05:29,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:05:29,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:05:29,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:29,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:29,897 INFO L138 Inliner]: procedures = 251, calls = 2681, calls flagged for inlining = 118, calls inlined = 113, statements flattened = 6964 [2023-11-12 02:05:29,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:05:29,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:05:29,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:05:29,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:05:29,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:29,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:05:30,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:05:30,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:05:30,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:05:30,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (1/1) ... [2023-11-12 02:05:30,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:05:30,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:05:30,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:05:30,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bd8848c-16f3-4b44-8fc6-49588848fda8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:05:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2023-11-12 02:05:30,688 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2023-11-12 02:05:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2023-11-12 02:05:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2023-11-12 02:05:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2023-11-12 02:05:30,689 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2023-11-12 02:05:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-12 02:05:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-12 02:05:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2023-11-12 02:05:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2023-11-12 02:05:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2023-11-12 02:05:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2023-11-12 02:05:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2023-11-12 02:05:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2023-11-12 02:05:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2023-11-12 02:05:30,691 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2023-11-12 02:05:30,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:05:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:05:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:05:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:05:30,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:05:30,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:05:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:05:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:05:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2023-11-12 02:05:30,693 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2023-11-12 02:05:30,693 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2023-11-12 02:05:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2023-11-12 02:05:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 02:05:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 02:05:30,694 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2023-11-12 02:05:30,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2023-11-12 02:05:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2023-11-12 02:05:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2023-11-12 02:05:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-12 02:05:30,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-12 02:05:30,695 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2023-11-12 02:05:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2023-11-12 02:05:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2023-11-12 02:05:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2023-11-12 02:05:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2023-11-12 02:05:30,696 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2023-11-12 02:05:30,696 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2023-11-12 02:05:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2023-11-12 02:05:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:05:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:05:30,697 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2023-11-12 02:05:30,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2023-11-12 02:05:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2023-11-12 02:05:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2023-11-12 02:05:30,698 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2023-11-12 02:05:30,698 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2023-11-12 02:05:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:05:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:05:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:05:30,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:05:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2023-11-12 02:05:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2023-11-12 02:05:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2023-11-12 02:05:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2023-11-12 02:05:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2023-11-12 02:05:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2023-11-12 02:05:30,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:05:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2023-11-12 02:05:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2023-11-12 02:05:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:05:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2023-11-12 02:05:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2023-11-12 02:05:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:05:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2023-11-12 02:05:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2023-11-12 02:05:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:05:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:05:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2023-11-12 02:05:30,706 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2023-11-12 02:05:30,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:05:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:05:30,707 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:05:30,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:05:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2023-11-12 02:05:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2023-11-12 02:05:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:05:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:05:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-12 02:05:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-12 02:05:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:05:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:05:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2023-11-12 02:05:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2023-11-12 02:05:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2023-11-12 02:05:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2023-11-12 02:05:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2023-11-12 02:05:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2023-11-12 02:05:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:05:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 02:05:30,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 02:05:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:05:30,711 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2023-11-12 02:05:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2023-11-12 02:05:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2023-11-12 02:05:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2023-11-12 02:05:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2023-11-12 02:05:30,712 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2023-11-12 02:05:30,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:05:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2023-11-12 02:05:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2023-11-12 02:05:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:05:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:05:30,713 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2023-11-12 02:05:30,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2023-11-12 02:05:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2023-11-12 02:05:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2023-11-12 02:05:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:05:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:05:30,714 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2023-11-12 02:05:30,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2023-11-12 02:05:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:05:30,715 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2023-11-12 02:05:30,715 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2023-11-12 02:05:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2023-11-12 02:05:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2023-11-12 02:05:30,716 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2023-11-12 02:05:30,716 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2023-11-12 02:05:30,717 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2023-11-12 02:05:30,717 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2023-11-12 02:05:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2023-11-12 02:05:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2023-11-12 02:05:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:05:30,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:05:30,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:05:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2023-11-12 02:05:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2023-11-12 02:05:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:05:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:05:30,719 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2023-11-12 02:05:30,719 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2023-11-12 02:05:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:05:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2023-11-12 02:05:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2023-11-12 02:05:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:05:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2023-11-12 02:05:30,720 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2023-11-12 02:05:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-12 02:05:30,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-12 02:05:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2023-11-12 02:05:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2023-11-12 02:05:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-12 02:05:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-12 02:05:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:05:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:05:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-12 02:05:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-12 02:05:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2023-11-12 02:05:30,724 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2023-11-12 02:05:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-12 02:05:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-12 02:05:30,728 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2023-11-12 02:05:30,728 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2023-11-12 02:05:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2023-11-12 02:05:30,729 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2023-11-12 02:05:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2023-11-12 02:05:30,731 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2023-11-12 02:05:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2023-11-12 02:05:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2023-11-12 02:05:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2023-11-12 02:05:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2023-11-12 02:05:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2023-11-12 02:05:30,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2023-11-12 02:05:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:05:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:05:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2023-11-12 02:05:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2023-11-12 02:05:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:05:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2023-11-12 02:05:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2023-11-12 02:05:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2023-11-12 02:05:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2023-11-12 02:05:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-12 02:05:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-12 02:05:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:05:30,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:05:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:05:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:05:31,707 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:05:31,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:05:34,829 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:06:03,123 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:03,157 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:03,157 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:06:03,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:03 BoogieIcfgContainer [2023-11-12 02:06:03,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:03,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:06:03,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:06:03,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:06:03,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:05:25" (1/3) ... [2023-11-12 02:06:03,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c5182b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:03, skipping insertion in model container [2023-11-12 02:06:03,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:05:29" (2/3) ... [2023-11-12 02:06:03,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c5182b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:03, skipping insertion in model container [2023-11-12 02:06:03,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:03" (3/3) ... [2023-11-12 02:06:03,176 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-12 02:06:03,196 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:06:03,197 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:06:03,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:03,321 INFO L357 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, mHoare=true, 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;@4cccd998, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:03,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:06:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 2258 states, 1770 states have (on average 1.4734463276836158) internal successors, (2608), 1821 states have internal predecessors, (2608), 404 states have call successors, (404), 83 states have call predecessors, (404), 82 states have return successors, (399), 387 states have call predecessors, (399), 399 states have call successors, (399) [2023-11-12 02:06:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2023-11-12 02:06:03,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:03,399 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:03,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:06:03,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:03,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1846978345, now seen corresponding path program 1 times [2023-11-12 02:06:03,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:03,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739585853] [2023-11-12 02:06:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:03,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:04,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:06:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:06:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:06:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:06:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:06:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:06:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:06:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-12 02:06:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:06:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-12 02:06:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-12 02:06:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-12 02:06:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-12 02:06:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-12 02:06:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-12 02:06:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-12 02:06:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-12 02:06:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-12 02:06:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-12 02:06:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-12 02:06:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-12 02:06:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-12 02:06:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-12 02:06:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-12 02:06:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-12 02:06:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-11-12 02:06:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-11-12 02:06:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-11-12 02:06:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-11-12 02:06:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-11-12 02:06:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-11-12 02:06:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2023-11-12 02:06:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-11-12 02:06:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-11-12 02:06:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-11-12 02:06:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-12 02:06:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2023-11-12 02:06:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2023-11-12 02:06:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2023-11-12 02:06:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-11-12 02:06:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2023-11-12 02:06:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-12 02:06:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2023-11-12 02:06:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:06:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2023-11-12 02:06:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-11-12 02:06:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2023-11-12 02:06:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2023-11-12 02:06:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2023-11-12 02:06:06,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:06,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739585853] [2023-11-12 02:06:06,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739585853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:06,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:06,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:06:06,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754316475] [2023-11-12 02:06:06,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:06,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:06:06,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:06:06,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:06:06,210 INFO L87 Difference]: Start difference. First operand has 2258 states, 1770 states have (on average 1.4734463276836158) internal successors, (2608), 1821 states have internal predecessors, (2608), 404 states have call successors, (404), 83 states have call predecessors, (404), 82 states have return successors, (399), 387 states have call predecessors, (399), 399 states have call successors, (399) Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-11-12 02:06:08,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:06:10,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:06:12,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:06:14,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []