./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--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_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/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_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/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_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/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 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:24,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:24,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:56:24,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:24,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:24,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:24,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:24,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:24,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:24,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:24,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:24,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:24,298 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:24,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:24,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:56:24,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:24,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:24,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:56:24,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:24,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:56:24,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:24,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:24,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:24,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:24,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:24,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:24,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:24,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:24,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:56:24,308 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:24,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:56:24,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:24,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:56:24,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:24,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:24,311 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:24,312 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_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 [2023-11-19 07:56:24,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:24,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:24,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:24,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:24,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:24,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-19 07:56:27,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:28,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:28,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-19 07:56:28,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/data/d583545fd/cbf80602f6064d0cb9eb00e9b1016c15/FLAG5300b7ab9 [2023-11-19 07:56:28,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/data/d583545fd/cbf80602f6064d0cb9eb00e9b1016c15 [2023-11-19 07:56:28,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:28,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:28,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:28,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:28,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:28,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:28" (1/1) ... [2023-11-19 07:56:28,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eab5f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:28, skipping insertion in model container [2023-11-19 07:56:28,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:28" (1/1) ... [2023-11-19 07:56:28,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:30,943 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_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2023-11-19 07:56:31,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:31,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:31,719 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_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2023-11-19 07:56:31,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:31,943 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:56:31,951 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:31,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31 WrapperNode [2023-11-19 07:56:31,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:31,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:31,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:31,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:31,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,423 INFO L138 Inliner]: procedures = 308, calls = 2781, calls flagged for inlining = 114, calls inlined = 104, statements flattened = 6750 [2023-11-19 07:56:32,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:32,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:32,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:32,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:32,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:32,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:32,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:32,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:32,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (1/1) ... [2023-11-19 07:56:32,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:32,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:33,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:33,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c38e999-4e2a-44c9-a6ea-14d0779b16e5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2023-11-19 07:56:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2023-11-19 07:56:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2023-11-19 07:56:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2023-11-19 07:56:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2023-11-19 07:56:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2023-11-19 07:56:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2023-11-19 07:56:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2023-11-19 07:56:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2023-11-19 07:56:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2023-11-19 07:56:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2023-11-19 07:56:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2023-11-19 07:56:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2023-11-19 07:56:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2023-11-19 07:56:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:56:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:56:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:56:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:56:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:56:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:56:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:56:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:56:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2023-11-19 07:56:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2023-11-19 07:56:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2023-11-19 07:56:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2023-11-19 07:56:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2023-11-19 07:56:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2023-11-19 07:56:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2023-11-19 07:56:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2023-11-19 07:56:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:56:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:56:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2023-11-19 07:56:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2023-11-19 07:56:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2023-11-19 07:56:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2023-11-19 07:56:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2023-11-19 07:56:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2023-11-19 07:56:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:56:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:56:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2023-11-19 07:56:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2023-11-19 07:56:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:56:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:56:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2023-11-19 07:56:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2023-11-19 07:56:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2023-11-19 07:56:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2023-11-19 07:56:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2023-11-19 07:56:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2023-11-19 07:56:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:56:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:56:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:56:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:56:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2023-11-19 07:56:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2023-11-19 07:56:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2023-11-19 07:56:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2023-11-19 07:56:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2023-11-19 07:56:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2023-11-19 07:56:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:56:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2023-11-19 07:56:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2023-11-19 07:56:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:56:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2023-11-19 07:56:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2023-11-19 07:56:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-19 07:56:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-19 07:56:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:56:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2023-11-19 07:56:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2023-11-19 07:56:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:56:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:56:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2023-11-19 07:56:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2023-11-19 07:56:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:56:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:56:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:56:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:56:33,060 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 07:56:33,060 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 07:56:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-19 07:56:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-19 07:56:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:56:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:56:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:56:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:56:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:56:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:56:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2023-11-19 07:56:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2023-11-19 07:56:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2023-11-19 07:56:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2023-11-19 07:56:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2023-11-19 07:56:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2023-11-19 07:56:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:56:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:56:33,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:56:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:56:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2023-11-19 07:56:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2023-11-19 07:56:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2023-11-19 07:56:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2023-11-19 07:56:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2023-11-19 07:56:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2023-11-19 07:56:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:56:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2023-11-19 07:56:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2023-11-19 07:56:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:56:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:56:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2023-11-19 07:56:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2023-11-19 07:56:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2023-11-19 07:56:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2023-11-19 07:56:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:56:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:56:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2023-11-19 07:56:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2023-11-19 07:56:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:56:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2023-11-19 07:56:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2023-11-19 07:56:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2023-11-19 07:56:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2023-11-19 07:56:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2023-11-19 07:56:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2023-11-19 07:56:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2023-11-19 07:56:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2023-11-19 07:56:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2023-11-19 07:56:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2023-11-19 07:56:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:56:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:56:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:56:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2023-11-19 07:56:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2023-11-19 07:56:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:56:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:56:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2023-11-19 07:56:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2023-11-19 07:56:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2023-11-19 07:56:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2023-11-19 07:56:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:56:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2023-11-19 07:56:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2023-11-19 07:56:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 07:56:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 07:56:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2023-11-19 07:56:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2023-11-19 07:56:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-19 07:56:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-19 07:56:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:56:33,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:56:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-19 07:56:33,070 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-19 07:56:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2023-11-19 07:56:33,070 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2023-11-19 07:56:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-19 07:56:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-19 07:56:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2023-11-19 07:56:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2023-11-19 07:56:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-19 07:56:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2023-11-19 07:56:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2023-11-19 07:56:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2023-11-19 07:56:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2023-11-19 07:56:33,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2023-11-19 07:56:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2023-11-19 07:56:33,072 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2023-11-19 07:56:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2023-11-19 07:56:33,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2023-11-19 07:56:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2023-11-19 07:56:33,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2023-11-19 07:56:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:56:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:56:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2023-11-19 07:56:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2023-11-19 07:56:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2023-11-19 07:56:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2023-11-19 07:56:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2023-11-19 07:56:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2023-11-19 07:56:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 07:56:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 07:56:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:56:33,074 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:56:33,962 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:33,966 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:36,799 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:57:07,952 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:07,978 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:07,978 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:57:07,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:07 BoogieIcfgContainer [2023-11-19 07:57:08,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:08,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:57:08,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:57:08,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:57:08,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:28" (1/3) ... [2023-11-19 07:57:08,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a666958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:08, skipping insertion in model container [2023-11-19 07:57:08,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:31" (2/3) ... [2023-11-19 07:57:08,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a666958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:08, skipping insertion in model container [2023-11-19 07:57:08,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:07" (3/3) ... [2023-11-19 07:57:08,010 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-19 07:57:08,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:57:08,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:57:08,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:57:08,160 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;@78494697, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:57:08,161 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:57:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 2268 states, 1772 states have (on average 1.4734762979683973) internal successors, (2611), 1827 states have internal predecessors, (2611), 410 states have call successors, (410), 85 states have call predecessors, (410), 84 states have return successors, (405), 393 states have call predecessors, (405), 405 states have call successors, (405) [2023-11-19 07:57:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2023-11-19 07:57:08,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:08,246 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 07:57:08,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:08,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:08,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1224171507, now seen corresponding path program 1 times [2023-11-19 07:57:08,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:08,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744163681] [2023-11-19 07:57:08,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:08,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:57:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:57:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:57:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:57:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:57:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:57:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:57:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:57:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:57:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-19 07:57:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:57:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-19 07:57:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-19 07:57:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:57:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-19 07:57:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-19 07:57:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-19 07:57:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-19 07:57:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-19 07:57:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-19 07:57:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-19 07:57:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-19 07:57:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-19 07:57:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-19 07:57:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-11-19 07:57:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2023-11-19 07:57:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-11-19 07:57:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-11-19 07:57:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-11-19 07:57:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2023-11-19 07:57:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2023-11-19 07:57:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2023-11-19 07:57:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2023-11-19 07:57:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2023-11-19 07:57:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-19 07:57:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2023-11-19 07:57:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2023-11-19 07:57:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2023-11-19 07:57:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2023-11-19 07:57:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2023-11-19 07:57:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-19 07:57:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2023-11-19 07:57:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2023-11-19 07:57:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2023-11-19 07:57:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2023-11-19 07:57:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2023-11-19 07:57:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:10,982 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 07:57:10,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:10,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744163681] [2023-11-19 07:57:10,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744163681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:10,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:10,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:57:10,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728690984] [2023-11-19 07:57:10,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:11,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:11,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:11,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:11,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:11,054 INFO L87 Difference]: Start difference. First operand has 2268 states, 1772 states have (on average 1.4734762979683973) internal successors, (2611), 1827 states have internal predecessors, (2611), 410 states have call successors, (410), 85 states have call predecessors, (410), 84 states have return successors, (405), 393 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (50), 6 states have call predecessors, (50), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-11-19 07:57:13,826 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 07:57:15,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:57:17,852 WARN L539 Checker$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 07:57:19,857 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 []