./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 0.2.2-dev-ae00767 [2021-12-28 04:25:48,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:25:48,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:25:48,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:25:48,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:25:48,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:25:48,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:25:48,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:25:48,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:25:48,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:25:48,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:25:48,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:25:48,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:25:48,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:25:48,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:25:48,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:25:48,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:25:48,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:25:48,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:25:48,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:25:48,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:25:48,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:25:48,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:25:48,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:25:48,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:25:48,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:25:48,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:25:48,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:25:48,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:25:48,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:25:48,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:25:48,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:25:48,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:25:48,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:25:48,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:25:48,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:25:48,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:25:48,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:25:48,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:25:48,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:25:48,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:25:48,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:25:48,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:25:48,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:25:48,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:25:48,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:25:48,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:25:48,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:25:48,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:25:48,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:25:48,468 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:25:48,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:25:48,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:25:48,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:25:48,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:25:48,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:25:48,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:25:48,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:25:48,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:25:48,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:25:48,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:25:48,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:25:48,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:25:48,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:25:48,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:25:48,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:25:48,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:25:48,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:25:48,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:25:48,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:25:48,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:25:48,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:25:48,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 [2021-12-28 04:25:48,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:25:48,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:25:48,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:25:48,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:25:48,836 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:25:48,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-12-28 04:25:48,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73279c871/ec2a5059472f4e59ad054543ed42f725/FLAG54b42874f [2021-12-28 04:25:49,616 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:25:49,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-12-28 04:25:49,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73279c871/ec2a5059472f4e59ad054543ed42f725/FLAG54b42874f [2021-12-28 04:25:49,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73279c871/ec2a5059472f4e59ad054543ed42f725 [2021-12-28 04:25:49,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:25:49,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:25:49,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:25:49,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:25:49,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:25:49,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:25:49" (1/1) ... [2021-12-28 04:25:49,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38044fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:49, skipping insertion in model container [2021-12-28 04:25:49,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:25:49" (1/1) ... [2021-12-28 04:25:49,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:25:50,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:25:52,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2021-12-28 04:25:52,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:25:52,311 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:25:52,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2021-12-28 04:25:52,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:25:52,940 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:25:52,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52 WrapperNode [2021-12-28 04:25:52,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:25:52,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:25:52,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:25:52,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:25:52,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,345 INFO L137 Inliner]: procedures = 308, calls = 2780, calls flagged for inlining = 113, calls inlined = 103, statements flattened = 6360 [2021-12-28 04:25:53,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:25:53,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:25:53,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:25:53,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:25:53,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:25:53,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:25:53,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:25:53,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:25:53,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (1/1) ... [2021-12-28 04:25:53,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:25:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:25:53,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:25:53,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:25:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2021-12-28 04:25:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2021-12-28 04:25:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2021-12-28 04:25:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2021-12-28 04:25:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2021-12-28 04:25:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2021-12-28 04:25:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2021-12-28 04:25:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2021-12-28 04:25:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2021-12-28 04:25:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2021-12-28 04:25:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2021-12-28 04:25:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2021-12-28 04:25:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2021-12-28 04:25:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2021-12-28 04:25:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:25:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:25:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:25:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:25:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:25:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:25:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:25:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:25:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2021-12-28 04:25:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2021-12-28 04:25:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2021-12-28 04:25:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2021-12-28 04:25:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2021-12-28 04:25:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2021-12-28 04:25:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2021-12-28 04:25:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2021-12-28 04:25:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-28 04:25:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-28 04:25:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2021-12-28 04:25:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2021-12-28 04:25:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2021-12-28 04:25:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2021-12-28 04:25:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2021-12-28 04:25:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2021-12-28 04:25:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:25:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:25:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2021-12-28 04:25:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2021-12-28 04:25:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:25:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:25:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2021-12-28 04:25:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2021-12-28 04:25:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2021-12-28 04:25:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2021-12-28 04:25:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2021-12-28 04:25:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2021-12-28 04:25:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:25:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:25:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:25:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:25:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2021-12-28 04:25:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2021-12-28 04:25:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2021-12-28 04:25:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2021-12-28 04:25:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2021-12-28 04:25:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2021-12-28 04:25:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:25:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2021-12-28 04:25:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2021-12-28 04:25:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:25:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2021-12-28 04:25:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2021-12-28 04:25:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-28 04:25:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-28 04:25:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:25:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2021-12-28 04:25:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2021-12-28 04:25:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:25:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:25:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2021-12-28 04:25:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2021-12-28 04:25:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:25:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:25:53,859 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 [2021-12-28 04:25:53,860 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 [2021-12-28 04:25:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-12-28 04:25:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-12-28 04:25:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:25:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:25:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:25:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:25:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:25:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:25:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2021-12-28 04:25:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2021-12-28 04:25:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2021-12-28 04:25:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2021-12-28 04:25:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2021-12-28 04:25:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2021-12-28 04:25:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:25:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:25:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:25:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:25:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2021-12-28 04:25:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2021-12-28 04:25:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2021-12-28 04:25:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2021-12-28 04:25:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2021-12-28 04:25:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2021-12-28 04:25:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:25:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2021-12-28 04:25:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2021-12-28 04:25:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:25:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:25:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2021-12-28 04:25:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2021-12-28 04:25:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2021-12-28 04:25:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2021-12-28 04:25:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:25:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:25:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2021-12-28 04:25:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2021-12-28 04:25:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:25:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2021-12-28 04:25:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2021-12-28 04:25:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2021-12-28 04:25:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2021-12-28 04:25:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2021-12-28 04:25:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2021-12-28 04:25:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2021-12-28 04:25:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2021-12-28 04:25:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2021-12-28 04:25:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2021-12-28 04:25:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:25:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:25:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:25:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2021-12-28 04:25:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2021-12-28 04:25:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:25:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:25:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-12-28 04:25:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-12-28 04:25:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:25:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2021-12-28 04:25:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2021-12-28 04:25:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:25:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2021-12-28 04:25:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2021-12-28 04:25:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-28 04:25:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-28 04:25:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2021-12-28 04:25:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2021-12-28 04:25:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-12-28 04:25:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-12-28 04:25:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:25:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:25:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-28 04:25:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-28 04:25:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2021-12-28 04:25:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2021-12-28 04:25:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-28 04:25:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-28 04:25:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2021-12-28 04:25:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2021-12-28 04:25:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2021-12-28 04:25:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2021-12-28 04:25:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2021-12-28 04:25:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2021-12-28 04:25:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2021-12-28 04:25:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2021-12-28 04:25:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2021-12-28 04:25:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2021-12-28 04:25:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2021-12-28 04:25:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2021-12-28 04:25:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-12-28 04:25:53,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-12-28 04:25:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:25:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:25:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2021-12-28 04:25:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2021-12-28 04:25:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:25:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2021-12-28 04:25:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2021-12-28 04:25:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2021-12-28 04:25:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2021-12-28 04:25:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-28 04:25:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-28 04:25:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:25:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:25:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:25:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:25:54,832 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:25:54,835 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:25:57,576 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:26:20,688 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:26:20,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:26:20,704 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:26:20,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:26:20 BoogieIcfgContainer [2021-12-28 04:26:20,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:26:20,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:26:20,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:26:20,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:26:20,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:25:49" (1/3) ... [2021-12-28 04:26:20,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296d6db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:26:20, skipping insertion in model container [2021-12-28 04:26:20,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:52" (2/3) ... [2021-12-28 04:26:20,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296d6db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:26:20, skipping insertion in model container [2021-12-28 04:26:20,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:26:20" (3/3) ... [2021-12-28 04:26:20,718 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-12-28 04:26:20,722 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:26:20,723 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:26:20,778 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:26:20,784 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:26:20,785 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:26:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 2081 states, 1595 states have (on average 1.4482758620689655) internal successors, (2310), 1650 states have internal predecessors, (2310), 401 states have call successors, (401), 84 states have call predecessors, (401), 83 states have return successors, (396), 384 states have call predecessors, (396), 396 states have call successors, (396) [2021-12-28 04:26:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-12-28 04:26:20,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:26:20,881 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:26:20,883 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:26:20,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:26:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 811946978, now seen corresponding path program 1 times [2021-12-28 04:26:20,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:26:20,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799357288] [2021-12-28 04:26:20,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:26:20,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:26:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:26:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:26:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:26:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:26:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:26:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:26:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:26:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:26:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-28 04:26:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 04:26:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 04:26:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:26:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 04:26:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-28 04:26:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-28 04:26:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:26:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 04:26:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:26:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-28 04:26:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-28 04:26:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-28 04:26:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-28 04:26:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-28 04:26:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-28 04:26:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-28 04:26:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-28 04:26:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-28 04:26:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-28 04:26:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-28 04:26:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-28 04:26:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-28 04:26:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-28 04:26:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-28 04:26:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-28 04:26:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-28 04:26:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-28 04:26:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-28 04:26:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-28 04:26:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-28 04:26:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-28 04:26:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-28 04:26:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-28 04:26:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-28 04:26:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-28 04:26:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-28 04:26:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-28 04:26:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-12-28 04:26:22,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:26:22,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799357288] [2021-12-28 04:26:22,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799357288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:26:22,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:26:22,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:26:22,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264273205] [2021-12-28 04:26:22,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:26:22,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:26:22,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:26:22,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:26:22,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:26:22,854 INFO L87 Difference]: Start difference. First operand has 2081 states, 1595 states have (on average 1.4482758620689655) internal successors, (2310), 1650 states have internal predecessors, (2310), 401 states have call successors, (401), 84 states have call predecessors, (401), 83 states have return successors, (396), 384 states have call predecessors, (396), 396 states have call successors, (396) 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) [2021-12-28 04:26:25,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:27,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:30,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:33,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:35,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:37,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:39,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:41,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:44,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:46,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:48,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:53,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:55,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []