./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-08_1a-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 cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:57:31,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:57:31,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:57:31,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:57:31,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:57:31,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:57:31,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:57:31,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:57:31,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:57:31,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:57:31,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:57:31,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:57:31,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:57:31,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:57:31,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:57:31,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:57:31,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:57:31,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:57:31,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:57:31,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:57:31,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:57:31,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:57:31,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:57:31,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:57:31,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:57:31,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:57:31,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:57:31,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:57:31,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:57:31,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:57:31,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:57:31,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:57:31,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:57:31,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:57:31,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:57:31,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:57:31,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:57:31,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:57:31,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:57:31,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:57:31,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:57:31,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:57:31,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:57:31,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:57:31,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:57:31,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:57:31,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:57:31,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:57:31,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:57:31,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:57:31,232 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:57:31,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:57:31,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:57:31,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:57:31,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:57:31,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:57:31,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:57:31,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:57:31,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:57:31,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:57:31,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:57:31,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:57:31,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:57:31,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:57:31,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:57:31,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:57:31,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:57:31,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:57:31,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:57:31,235 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:57:31,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:57:31,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:57:31,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:57:31,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2021-12-22 14:57:31,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:57:31,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:57:31,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:57:31,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:57:31,388 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:57:31,389 INFO L432 ainManager$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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-12-22 14:57:31,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/289adf073/5409d8a51a9149eea2ea7b4e14507d93/FLAG84427ccbd [2021-12-22 14:57:32,041 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:57:32,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-12-22 14:57:32,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/289adf073/5409d8a51a9149eea2ea7b4e14507d93/FLAG84427ccbd [2021-12-22 14:57:32,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/289adf073/5409d8a51a9149eea2ea7b4e14507d93 [2021-12-22 14:57:32,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:57:32,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:57:32,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:57:32,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:57:32,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:57:32,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:57:32" (1/1) ... [2021-12-22 14:57:32,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752a587f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:32, skipping insertion in model container [2021-12-22 14:57:32,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:57:32" (1/1) ... [2021-12-22 14:57:32,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:57:32,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:57:33,772 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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2021-12-22 14:57:33,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:57:33,851 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:57:34,105 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-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2021-12-22 14:57:34,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:57:34,198 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:57:34,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34 WrapperNode [2021-12-22 14:57:34,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:57:34,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:57:34,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:57:34,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:57:34,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,460 INFO L137 Inliner]: procedures = 251, calls = 2680, calls flagged for inlining = 117, calls inlined = 112, statements flattened = 6571 [2021-12-22 14:57:34,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:57:34,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:57:34,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:57:34,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:57:34,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:57:34,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:57:34,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:57:34,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:57:34,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (1/1) ... [2021-12-22 14:57:34,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:57:34,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:57:34,766 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) [2021-12-22 14:57:34,770 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 [2021-12-22 14:57:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2021-12-22 14:57:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2021-12-22 14:57:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2021-12-22 14:57:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2021-12-22 14:57:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2021-12-22 14:57:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2021-12-22 14:57:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2021-12-22 14:57:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2021-12-22 14:57:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2021-12-22 14:57:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2021-12-22 14:57:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2021-12-22 14:57:34,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2021-12-22 14:57:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2021-12-22 14:57:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2021-12-22 14:57:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2021-12-22 14:57:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2021-12-22 14:57:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:57:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:57:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:57:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:57:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:57:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:57:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:57:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:57:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2021-12-22 14:57:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2021-12-22 14:57:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2021-12-22 14:57:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2021-12-22 14:57:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-22 14:57:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-22 14:57:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2021-12-22 14:57:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2021-12-22 14:57:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2021-12-22 14:57:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2021-12-22 14:57:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-22 14:57:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-22 14:57:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2021-12-22 14:57:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2021-12-22 14:57:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2021-12-22 14:57:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2021-12-22 14:57:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2021-12-22 14:57:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2021-12-22 14:57:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2021-12-22 14:57:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2021-12-22 14:57:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:57:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:57:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2021-12-22 14:57:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2021-12-22 14:57:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2021-12-22 14:57:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2021-12-22 14:57:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2021-12-22 14:57:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2021-12-22 14:57:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:57:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:57:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:57:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:57:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2021-12-22 14:57:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2021-12-22 14:57:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2021-12-22 14:57:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2021-12-22 14:57:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2021-12-22 14:57:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2021-12-22 14:57:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:57:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2021-12-22 14:57:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2021-12-22 14:57:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 14:57:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2021-12-22 14:57:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2021-12-22 14:57:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:57:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2021-12-22 14:57:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2021-12-22 14:57:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 14:57:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 14:57:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2021-12-22 14:57:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2021-12-22 14:57:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:57:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:57:34,801 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 [2021-12-22 14:57:34,801 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 [2021-12-22 14:57:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:57:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:57:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 14:57:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 14:57:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:57:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:57:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2021-12-22 14:57:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2021-12-22 14:57:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2021-12-22 14:57:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2021-12-22 14:57:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2021-12-22 14:57:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2021-12-22 14:57:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:57:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 14:57:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 14:57:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:57:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2021-12-22 14:57:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2021-12-22 14:57:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2021-12-22 14:57:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2021-12-22 14:57:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2021-12-22 14:57:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2021-12-22 14:57:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:57:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2021-12-22 14:57:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2021-12-22 14:57:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:57:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:57:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2021-12-22 14:57:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2021-12-22 14:57:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2021-12-22 14:57:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2021-12-22 14:57:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:57:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:57:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2021-12-22 14:57:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2021-12-22 14:57:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:57:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2021-12-22 14:57:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2021-12-22 14:57:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2021-12-22 14:57:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2021-12-22 14:57:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2021-12-22 14:57:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2021-12-22 14:57:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2021-12-22 14:57:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2021-12-22 14:57:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2021-12-22 14:57:34,810 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2021-12-22 14:57:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:57:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:57:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:57:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2021-12-22 14:57:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2021-12-22 14:57:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:57:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:57:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-12-22 14:57:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-12-22 14:57:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:57:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2021-12-22 14:57:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2021-12-22 14:57:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:57:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2021-12-22 14:57:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2021-12-22 14:57:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2021-12-22 14:57:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2021-12-22 14:57:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2021-12-22 14:57:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2021-12-22 14:57:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-12-22 14:57:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-12-22 14:57:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:57:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:57:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-22 14:57:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-22 14:57:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2021-12-22 14:57:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2021-12-22 14:57:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-22 14:57:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-22 14:57:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2021-12-22 14:57:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2021-12-22 14:57:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2021-12-22 14:57:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2021-12-22 14:57:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2021-12-22 14:57:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2021-12-22 14:57:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2021-12-22 14:57:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2021-12-22 14:57:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2021-12-22 14:57:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2021-12-22 14:57:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-12-22 14:57:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-12-22 14:57:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:57:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:57:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2021-12-22 14:57:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2021-12-22 14:57:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:57:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2021-12-22 14:57:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2021-12-22 14:57:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2021-12-22 14:57:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2021-12-22 14:57:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-22 14:57:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-22 14:57:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:57:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:57:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:57:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:57:35,446 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:57:35,459 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:57:38,052 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:57:59,305 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:57:59,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:57:59,318 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:57:59,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:57:59 BoogieIcfgContainer [2021-12-22 14:57:59,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:57:59,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:57:59,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:57:59,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:57:59,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:57:32" (1/3) ... [2021-12-22 14:57:59,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158096e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:57:59, skipping insertion in model container [2021-12-22 14:57:59,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:57:34" (2/3) ... [2021-12-22 14:57:59,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158096e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:57:59, skipping insertion in model container [2021-12-22 14:57:59,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:57:59" (3/3) ... [2021-12-22 14:57:59,327 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2021-12-22 14:57:59,331 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:57:59,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:57:59,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:57:59,370 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 [2021-12-22 14:57:59,370 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:57:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 2071 states, 1593 states have (on average 1.448210922787194) internal successors, (2307), 1644 states have internal predecessors, (2307), 395 states have call successors, (395), 82 states have call predecessors, (395), 81 states have return successors, (390), 378 states have call predecessors, (390), 390 states have call successors, (390) [2021-12-22 14:57:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-12-22 14:57:59,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:57:59,440 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] [2021-12-22 14:57:59,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:57:59,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:57:59,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1209954534, now seen corresponding path program 1 times [2021-12-22 14:57:59,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:57:59,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615571888] [2021-12-22 14:57:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:57:59,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:57:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:58:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:58:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:58:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:58:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:58:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:58:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:58:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:58:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-22 14:58:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 14:58:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 14:58:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 14:58:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:58:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 14:58:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 14:58:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-22 14:58:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 14:58:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 14:58:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 14:58:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 14:58:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-22 14:58:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-22 14:58:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-22 14:58:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 14:58:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-22 14:58:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-22 14:58:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-22 14:58:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-22 14:58:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-22 14:58:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-22 14:58:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-22 14:58:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-22 14:58:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-22 14:58:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-22 14:58:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-22 14:58:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-22 14:58:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-22 14:58:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-22 14:58:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-22 14:58:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-22 14:58:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-22 14:58:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-22 14:58:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-22 14:58:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-22 14:58:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-22 14:58:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-22 14:58:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-12-22 14:58:01,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:58:01,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615571888] [2021-12-22 14:58:01,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615571888] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:58:01,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:58:01,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:58:01,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283855837] [2021-12-22 14:58:01,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:58:01,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:58:01,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:58:01,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:58:01,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:58:01,037 INFO L87 Difference]: Start difference. First operand has 2071 states, 1593 states have (on average 1.448210922787194) internal successors, (2307), 1644 states have internal predecessors, (2307), 395 states have call successors, (395), 82 states have call predecessors, (395), 81 states have return successors, (390), 378 states have call predecessors, (390), 390 states have call successors, (390) 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) [2021-12-22 14:58:03,490 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 [] [2021-12-22 14:58:06,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 14:58:08,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:10,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:12,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:14,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:16,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:21,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:24,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:26,989 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 [] [2021-12-22 14:58:27,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:58:27,535 INFO L93 Difference]: Finished difference Result 4535 states and 7050 transitions. [2021-12-22 14:58:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:58:27,537 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 539 [2021-12-22 14:58:27,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:58:27,564 INFO L225 Difference]: With dead ends: 4535 [2021-12-22 14:58:27,570 INFO L226 Difference]: Without dead ends: 2457 [2021-12-22 14:58:27,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:58:27,593 INFO L933 BasicCegarLoop]: 2899 mSDtfsCounter, 2288 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 1569 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 3804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1569 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:58:27,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2347 Valid, 5688 Invalid, 3804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1569 Valid, 2225 Invalid, 10 Unknown, 0 Unchecked, 26.1s Time] [2021-12-22 14:58:27,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2021-12-22 14:58:27,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2059. [2021-12-22 14:58:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1588 states have (on average 1.4445843828715366) internal successors, (2294), 1632 states have internal predecessors, (2294), 390 states have call successors, (390), 81 states have call predecessors, (390), 80 states have return successors, (388), 376 states have call predecessors, (388), 388 states have call successors, (388) [2021-12-22 14:58:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 3072 transitions. [2021-12-22 14:58:27,764 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 3072 transitions. Word has length 539 [2021-12-22 14:58:27,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:58:27,765 INFO L470 AbstractCegarLoop]: Abstraction has 2059 states and 3072 transitions. [2021-12-22 14:58:27,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-22 14:58:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 3072 transitions. [2021-12-22 14:58:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-12-22 14:58:27,778 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:58:27,778 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] [2021-12-22 14:58:27,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:58:27,779 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:58:27,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:58:27,780 INFO L85 PathProgramCache]: Analyzing trace with hash -524624170, now seen corresponding path program 1 times [2021-12-22 14:58:27,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:58:27,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855807139] [2021-12-22 14:58:27,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:58:27,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:58:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:58:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:58:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:58:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:58:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:58:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:58:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:58:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:58:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:58:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-22 14:58:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 14:58:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 14:58:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 14:58:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:58:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 14:58:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 14:58:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-22 14:58:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 14:58:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 14:58:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 14:58:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 14:58:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-22 14:58:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-22 14:58:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-22 14:58:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 14:58:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-22 14:58:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-22 14:58:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-22 14:58:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-22 14:58:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-22 14:58:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-22 14:58:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-22 14:58:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-22 14:58:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-22 14:58:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-22 14:58:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-22 14:58:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-22 14:58:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-22 14:58:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-22 14:58:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-22 14:58:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-22 14:58:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-22 14:58:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-22 14:58:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:58:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-22 14:58:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-22 14:58:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-22 14:58:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-22 14:58:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:58:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2021-12-22 14:58:28,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:58:28,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855807139] [2021-12-22 14:58:28,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855807139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:58:28,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:58:28,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:58:28,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636096389] [2021-12-22 14:58:28,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:58:28,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:58:28,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:58:28,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:58:28,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:58:28,786 INFO L87 Difference]: Start difference. First operand 2059 states and 3072 transitions. 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) [2021-12-22 14:58:31,111 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 [] [2021-12-22 14:58:33,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:35,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:58:38,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []