./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 9bd2c7ff 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_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/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_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:53:33,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:53:33,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:53:33,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:53:33,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:53:33,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:53:33,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:53:33,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:53:33,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:53:33,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:53:33,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:53:33,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:53:33,563 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:53:33,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:53:33,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:53:33,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:53:33,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:53:33,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:53:33,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:53:33,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:53:33,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:53:33,569 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:53:33,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:53:33,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:53:33,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:53:33,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:33,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:53:33,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:53:33,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:53:33,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:53:33,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:53:33,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:53:33,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:53:33,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:53:33,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:53:33,590 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:53:33,591 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_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2023-11-19 07:53:33,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:53:33,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:53:33,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:53:33,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:53:33,922 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:53:33,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:53:37,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:53:37,702 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:53:37,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/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 [2023-11-19 07:53:37,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/data/5307e390c/6b1db81dd10e4f719de1c409b1abac67/FLAG5d132aaef [2023-11-19 07:53:37,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/data/5307e390c/6b1db81dd10e4f719de1c409b1abac67 [2023-11-19 07:53:37,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:53:37,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:53:37,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:37,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:53:37,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:53:37,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:37" (1/1) ... [2023-11-19 07:53:37,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109e5f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:37, skipping insertion in model container [2023-11-19 07:53:37,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:37" (1/1) ... [2023-11-19 07:53:38,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:53:40,223 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_9f770bc6-9b05-4dac-9cf3-e51033e99e46/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] [2023-11-19 07:53:40,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:40,352 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:53:40,901 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_9f770bc6-9b05-4dac-9cf3-e51033e99e46/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] [2023-11-19 07:53:40,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:41,092 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:53:41,100 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:53:41,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41 WrapperNode [2023-11-19 07:53:41,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:41,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:41,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:53:41,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:53:41,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,624 INFO L138 Inliner]: procedures = 251, calls = 2681, calls flagged for inlining = 118, calls inlined = 113, statements flattened = 6964 [2023-11-19 07:53:41,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:41,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:53:41,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:53:41,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:53:41,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:41,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:42,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:42,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:42,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:42,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:42,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:53:42,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:53:42,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:53:42,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:53:42,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (1/1) ... [2023-11-19 07:53:42,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:42,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:53:42,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:53:42,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f770bc6-9b05-4dac-9cf3-e51033e99e46/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:53:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2023-11-19 07:53:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2023-11-19 07:53:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2023-11-19 07:53:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2023-11-19 07:53:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2023-11-19 07:53:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2023-11-19 07:53:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-19 07:53:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-19 07:53:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2023-11-19 07:53:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2023-11-19 07:53:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2023-11-19 07:53:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2023-11-19 07:53:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2023-11-19 07:53:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2023-11-19 07:53:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2023-11-19 07:53:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2023-11-19 07:53:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:53:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:53:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:53:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:53:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:53:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:53:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:53:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:53:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2023-11-19 07:53:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2023-11-19 07:53:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2023-11-19 07:53:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2023-11-19 07:53:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 07:53:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 07:53:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2023-11-19 07:53:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2023-11-19 07:53:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2023-11-19 07:53:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2023-11-19 07:53:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:53:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:53:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2023-11-19 07:53:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2023-11-19 07:53:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2023-11-19 07:53:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2023-11-19 07:53:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2023-11-19 07:53:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2023-11-19 07:53:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2023-11-19 07:53:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2023-11-19 07:53:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:53:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:53:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2023-11-19 07:53:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2023-11-19 07:53:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2023-11-19 07:53:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2023-11-19 07:53:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2023-11-19 07:53:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2023-11-19 07:53:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:53:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:53:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:53:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:53:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2023-11-19 07:53:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2023-11-19 07:53:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2023-11-19 07:53:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2023-11-19 07:53:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2023-11-19 07:53:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2023-11-19 07:53:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:53:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2023-11-19 07:53:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2023-11-19 07:53:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:53:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2023-11-19 07:53:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2023-11-19 07:53:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:53:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2023-11-19 07:53:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2023-11-19 07:53:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:53:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:53:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2023-11-19 07:53:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2023-11-19 07:53:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:53:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:53:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:53:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:53:42,368 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 [2023-11-19 07:53:42,368 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 [2023-11-19 07:53:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:53:42,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:53:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:53:42,369 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:53:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:53:42,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:53:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2023-11-19 07:53:42,369 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2023-11-19 07:53:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2023-11-19 07:53:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2023-11-19 07:53:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2023-11-19 07:53:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2023-11-19 07:53:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:53:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:53:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:53:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:53:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2023-11-19 07:53:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2023-11-19 07:53:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2023-11-19 07:53:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2023-11-19 07:53:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2023-11-19 07:53:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2023-11-19 07:53:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:53:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2023-11-19 07:53:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2023-11-19 07:53:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:53:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:53:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2023-11-19 07:53:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2023-11-19 07:53:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2023-11-19 07:53:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2023-11-19 07:53:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:53:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:53:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2023-11-19 07:53:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2023-11-19 07:53:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:53:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2023-11-19 07:53:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2023-11-19 07:53:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2023-11-19 07:53:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2023-11-19 07:53:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2023-11-19 07:53:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2023-11-19 07:53:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2023-11-19 07:53:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2023-11-19 07:53:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2023-11-19 07:53:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2023-11-19 07:53:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:53:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:53:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:53:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2023-11-19 07:53:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2023-11-19 07:53:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:53:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:53:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2023-11-19 07:53:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2023-11-19 07:53:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:53:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2023-11-19 07:53:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2023-11-19 07:53:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:53:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2023-11-19 07:53:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2023-11-19 07:53:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 07:53:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 07:53:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2023-11-19 07:53:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2023-11-19 07:53:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-19 07:53:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-19 07:53:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:53:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:53:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-19 07:53:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-19 07:53:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2023-11-19 07:53:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2023-11-19 07:53:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-19 07:53:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-19 07:53:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2023-11-19 07:53:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2023-11-19 07:53:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2023-11-19 07:53:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2023-11-19 07:53:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2023-11-19 07:53:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2023-11-19 07:53:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2023-11-19 07:53:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2023-11-19 07:53:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2023-11-19 07:53:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2023-11-19 07:53:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2023-11-19 07:53:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2023-11-19 07:53:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:53:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:53:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2023-11-19 07:53:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2023-11-19 07:53:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:53:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2023-11-19 07:53:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2023-11-19 07:53:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2023-11-19 07:53:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2023-11-19 07:53:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 07:53:42,398 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 07:53:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:53:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:53:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:53:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:53:43,258 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:53:43,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:53:46,374 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:54:16,720 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:16,754 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:16,754 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:54:16,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:16 BoogieIcfgContainer [2023-11-19 07:54:16,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:16,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:16,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:16,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:16,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:53:37" (1/3) ... [2023-11-19 07:54:16,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6cf483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:16, skipping insertion in model container [2023-11-19 07:54:16,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:41" (2/3) ... [2023-11-19 07:54:16,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6cf483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:16, skipping insertion in model container [2023-11-19 07:54:16,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:16" (3/3) ... [2023-11-19 07:54:16,783 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-19 07:54:16,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:16,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:54:16,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:16,935 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;@694a1bbd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:16,936 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:54:16,952 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) [2023-11-19 07:54:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2023-11-19 07:54:17,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:17,078 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] [2023-11-19 07:54:17,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:17,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:17,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1846978345, now seen corresponding path program 1 times [2023-11-19 07:54:17,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:17,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418674564] [2023-11-19 07:54:17,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:17,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:54:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:54:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:54:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:54:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:54:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:54:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:54:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:54:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:54:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:54:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-19 07:54:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:54:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-19 07:54:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-19 07:54:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:54:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-19 07:54:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-19 07:54:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-19 07:54:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-19 07:54:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-19 07:54:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-19 07:54:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-19 07:54:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-19 07:54:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-19 07:54:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-19 07:54:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-11-19 07:54:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-11-19 07:54:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-11-19 07:54:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-11-19 07:54:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-11-19 07:54:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-11-19 07:54:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2023-11-19 07:54:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-11-19 07:54:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-11-19 07:54:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-11-19 07:54:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-19 07:54:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2023-11-19 07:54:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2023-11-19 07:54:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2023-11-19 07:54:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-11-19 07:54:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2023-11-19 07:54:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-19 07:54:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2023-11-19 07:54:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2023-11-19 07:54:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-11-19 07:54:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:20,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2023-11-19 07:54:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2023-11-19 07:54:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2023-11-19 07:54:20,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:20,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418674564] [2023-11-19 07:54:20,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418674564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:20,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:20,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:54:20,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947683976] [2023-11-19 07:54:20,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:20,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:54:20,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:20,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:54:20,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:54:20,162 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) [2023-11-19 07:54:22,995 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 [] [2023-11-19 07:54:25,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:27,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:54:29,049 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 []