./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.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 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:55:43,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:55:43,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:55:43,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:55:43,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:55:43,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:55:43,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:55:43,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:55:43,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:55:43,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:55:43,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:55:43,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:55:43,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:55:43,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:55:43,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:55:43,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:55:43,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:55:43,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:55:43,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:55:43,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:55:43,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:55:43,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:55:43,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:55:43,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:55:43,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:55:43,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:55:43,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:55:43,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:55:43,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:55:43,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:55:43,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:55:43,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:55:43,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:55:43,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:55:43,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:55:43,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:55:43,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:55:43,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:55:43,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:55:43,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:55:43,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:55:43,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:55:43,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:55:43,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:55:43,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:55:43,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:55:43,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:55:43,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:55:43,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:55:43,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:55:43,166 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:55:43,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:55:43,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:55:43,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:55:43,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:55:43,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:55:43,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:55:43,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:55:43,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:55:43,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:55:43,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:55:43,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:55:43,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:55:43,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:55:43,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:55:43,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:55:43,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:55:43,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:55:43,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:55:43,169 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:55:43,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:55:43,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:55:43,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:55:43,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 [2021-12-14 17:55:43,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:55:43,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:55:43,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:55:43,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:55:43,393 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:55:43,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-14 17:55:43,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92b3c60a/d7af983fa2254223b44b096a15acfe61/FLAGc2a02f5c4 [2021-12-14 17:55:44,012 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:55:44,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-14 17:55:44,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92b3c60a/d7af983fa2254223b44b096a15acfe61/FLAGc2a02f5c4 [2021-12-14 17:55:44,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f92b3c60a/d7af983fa2254223b44b096a15acfe61 [2021-12-14 17:55:44,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:55:44,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:55:44,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:55:44,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:55:44,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:55:44,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:44" (1/1) ... [2021-12-14 17:55:44,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd23e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:44, skipping insertion in model container [2021-12-14 17:55:44,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:44" (1/1) ... [2021-12-14 17:55:44,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:55:44,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:55:45,451 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-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2021-12-14 17:55:45,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:55:45,524 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:55:45,788 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-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2021-12-14 17:55:45,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:55:45,871 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:55:45,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45 WrapperNode [2021-12-14 17:55:45,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:55:45,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:55:45,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:55:45,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:55:45,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:45,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,060 INFO L137 Inliner]: procedures = 257, calls = 1800, calls flagged for inlining = 103, calls inlined = 99, statements flattened = 4507 [2021-12-14 17:55:46,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:55:46,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:55:46,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:55:46,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:55:46,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:55:46,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:55:46,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:55:46,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:55:46,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (1/1) ... [2021-12-14 17:55:46,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:55:46,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:55:46,295 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) [2021-12-14 17:55:46,317 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 [2021-12-14 17:55:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:55:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:55:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:55:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:55:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:55:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:55:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 17:55:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 17:55:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2021-12-14 17:55:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2021-12-14 17:55:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2021-12-14 17:55:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2021-12-14 17:55:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2021-12-14 17:55:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2021-12-14 17:55:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2021-12-14 17:55:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2021-12-14 17:55:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-14 17:55:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-14 17:55:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-14 17:55:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-14 17:55:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:55:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:55:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-14 17:55:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-14 17:55:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-14 17:55:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-14 17:55:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2021-12-14 17:55:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2021-12-14 17:55:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:55:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:55:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:55:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:55:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:55:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:55:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2021-12-14 17:55:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2021-12-14 17:55:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:55:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:55:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2021-12-14 17:55:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2021-12-14 17:55:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-14 17:55:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-14 17:55:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2021-12-14 17:55:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2021-12-14 17:55:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-14 17:55:46,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-14 17:55:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2021-12-14 17:55:46,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2021-12-14 17:55:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2021-12-14 17:55:46,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2021-12-14 17:55:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2021-12-14 17:55:46,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2021-12-14 17:55:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:55:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2021-12-14 17:55:46,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2021-12-14 17:55:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:55:46,368 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:55:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-14 17:55:46,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-14 17:55:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:55:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-12-14 17:55:46,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-12-14 17:55:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 17:55:46,370 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 17:55:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2021-12-14 17:55:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2021-12-14 17:55:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2021-12-14 17:55:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2021-12-14 17:55:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2021-12-14 17:55:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2021-12-14 17:55:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-14 17:55:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-14 17:55:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:55:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:55:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 17:55:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 17:55:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:55:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:55:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2021-12-14 17:55:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2021-12-14 17:55:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:55:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:55:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:55:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:55:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2021-12-14 17:55:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2021-12-14 17:55:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-14 17:55:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-14 17:55:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2021-12-14 17:55:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2021-12-14 17:55:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2021-12-14 17:55:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2021-12-14 17:55:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 17:55:46,375 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 17:55:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:55:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2021-12-14 17:55:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2021-12-14 17:55:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:55:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-14 17:55:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-14 17:55:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-14 17:55:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-14 17:55:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:55:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-14 17:55:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-14 17:55:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-14 17:55:46,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-14 17:55:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:55:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:55:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 17:55:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 17:55:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2021-12-14 17:55:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2021-12-14 17:55:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-14 17:55:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-14 17:55:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:55:46,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:55:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-14 17:55:46,380 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-14 17:55:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:55:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2021-12-14 17:55:46,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2021-12-14 17:55:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2021-12-14 17:55:46,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2021-12-14 17:55:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2021-12-14 17:55:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2021-12-14 17:55:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:55:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:55:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2021-12-14 17:55:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2021-12-14 17:55:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 17:55:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 17:55:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:55:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-14 17:55:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-14 17:55:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2021-12-14 17:55:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2021-12-14 17:55:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 17:55:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 17:55:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-14 17:55:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-14 17:55:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-12-14 17:55:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-12-14 17:55:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:55:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-12-14 17:55:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-12-14 17:55:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-14 17:55:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-14 17:55:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2021-12-14 17:55:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2021-12-14 17:55:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 17:55:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 17:55:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:55:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2021-12-14 17:55:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2021-12-14 17:55:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:55:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:55:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2021-12-14 17:55:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2021-12-14 17:55:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2021-12-14 17:55:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2021-12-14 17:55:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-14 17:55:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-14 17:55:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:55:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:55:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2021-12-14 17:55:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2021-12-14 17:55:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-14 17:55:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-14 17:55:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2021-12-14 17:55:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2021-12-14 17:55:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2021-12-14 17:55:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2021-12-14 17:55:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:55:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:55:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 17:55:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 17:55:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2021-12-14 17:55:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2021-12-14 17:55:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-14 17:55:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-14 17:55:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 17:55:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 17:55:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2021-12-14 17:55:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2021-12-14 17:55:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-14 17:55:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-14 17:55:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:55:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-14 17:55:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-14 17:55:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-12-14 17:55:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-12-14 17:55:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-14 17:55:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-14 17:55:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2021-12-14 17:55:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2021-12-14 17:55:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2021-12-14 17:55:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2021-12-14 17:55:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 17:55:46,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:55:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:55:46,881 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:55:46,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:55:47,798 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:55:50,400 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:55:50,411 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:55:50,411 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:55:50,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:50 BoogieIcfgContainer [2021-12-14 17:55:50,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:55:50,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:55:50,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:55:50,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:55:50,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:55:44" (1/3) ... [2021-12-14 17:55:50,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185557c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:55:50, skipping insertion in model container [2021-12-14 17:55:50,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:45" (2/3) ... [2021-12-14 17:55:50,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185557c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:55:50, skipping insertion in model container [2021-12-14 17:55:50,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:50" (3/3) ... [2021-12-14 17:55:50,420 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-14 17:55:50,424 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:55:50,424 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:55:50,458 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:55:50,463 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 [2021-12-14 17:55:50,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:55:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 1578 states, 1108 states have (on average 1.3998194945848375) internal successors, (1551), 1173 states have internal predecessors, (1551), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) [2021-12-14 17:55:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-14 17:55:50,504 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:55:50,505 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:55:50,506 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:55:50,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:55:50,509 INFO L85 PathProgramCache]: Analyzing trace with hash -695991338, now seen corresponding path program 1 times [2021-12-14 17:55:50,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:55:50,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220523845] [2021-12-14 17:55:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:55:50,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:55:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:55:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:55:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:55:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:55:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:55:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:55:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:55:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:55:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:55:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:55:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:55:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:55:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:55:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:55:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:55:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:55:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:55:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-14 17:55:51,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:55:51,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220523845] [2021-12-14 17:55:51,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220523845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:55:51,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:55:51,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:55:51,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460166240] [2021-12-14 17:55:51,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:55:51,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:55:51,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:55:51,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:55:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:55:51,060 INFO L87 Difference]: Start difference. First operand has 1578 states, 1108 states have (on average 1.3998194945848375) internal successors, (1551), 1173 states have internal predecessors, (1551), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:55:57,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:55:59,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:55:59,814 INFO L93 Difference]: Finished difference Result 3309 states and 4923 transitions. [2021-12-14 17:55:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 17:55:59,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-14 17:55:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:55:59,849 INFO L225 Difference]: With dead ends: 3309 [2021-12-14 17:55:59,849 INFO L226 Difference]: Without dead ends: 1720 [2021-12-14 17:55:59,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:55:59,866 INFO L933 BasicCegarLoop]: 2113 mSDtfsCounter, 1088 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 3238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-12-14 17:55:59,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1117 Valid, 4413 Invalid, 3238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2021-12-14 17:55:59,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2021-12-14 17:55:59,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1562. [2021-12-14 17:55:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1103 states have (on average 1.3907524932003625) internal successors, (1534), 1157 states have internal predecessors, (1534), 368 states have call successors, (368), 91 states have call predecessors, (368), 90 states have return successors, (363), 337 states have call predecessors, (363), 363 states have call successors, (363) [2021-12-14 17:55:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2265 transitions. [2021-12-14 17:56:00,002 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2265 transitions. Word has length 114 [2021-12-14 17:56:00,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:56:00,003 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2265 transitions. [2021-12-14 17:56:00,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2265 transitions. [2021-12-14 17:56:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-14 17:56:00,010 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:00,010 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:00,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:56:00,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:00,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:00,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1398740446, now seen corresponding path program 1 times [2021-12-14 17:56:00,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:00,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535171913] [2021-12-14 17:56:00,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:56:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:56:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-14 17:56:00,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:00,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535171913] [2021-12-14 17:56:00,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535171913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:00,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:00,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:56:00,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801335050] [2021-12-14 17:56:00,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:00,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:56:00,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:00,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:56:00,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:00,356 INFO L87 Difference]: Start difference. First operand 1562 states and 2265 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:56:11,092 INFO L93 Difference]: Finished difference Result 4952 states and 7650 transitions. [2021-12-14 17:56:11,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:56:11,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-14 17:56:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:56:11,111 INFO L225 Difference]: With dead ends: 4952 [2021-12-14 17:56:11,112 INFO L226 Difference]: Without dead ends: 3413 [2021-12-14 17:56:11,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:56:11,123 INFO L933 BasicCegarLoop]: 2654 mSDtfsCounter, 4276 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 3059 mSolverCounterSat, 2262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 6347 SdHoareTripleChecker+Invalid, 5321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2262 IncrementalHoareTripleChecker+Valid, 3059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-12-14 17:56:11,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 6347 Invalid, 5321 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2262 Valid, 3059 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2021-12-14 17:56:11,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2021-12-14 17:56:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3183. [2021-12-14 17:56:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3183 states, 2243 states have (on average 1.384306732055283) internal successors, (3105), 2358 states have internal predecessors, (3105), 735 states have call successors, (735), 180 states have call predecessors, (735), 204 states have return successors, (939), 697 states have call predecessors, (939), 730 states have call successors, (939) [2021-12-14 17:56:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 3183 states and 4779 transitions. [2021-12-14 17:56:11,246 INFO L78 Accepts]: Start accepts. Automaton has 3183 states and 4779 transitions. Word has length 114 [2021-12-14 17:56:11,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:56:11,248 INFO L470 AbstractCegarLoop]: Abstraction has 3183 states and 4779 transitions. [2021-12-14 17:56:11,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:11,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 4779 transitions. [2021-12-14 17:56:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-14 17:56:11,251 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:11,251 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:11,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:56:11,251 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:11,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:11,252 INFO L85 PathProgramCache]: Analyzing trace with hash 410740249, now seen corresponding path program 1 times [2021-12-14 17:56:11,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:11,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803006053] [2021-12-14 17:56:11,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:11,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:56:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:56:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-14 17:56:11,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:11,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803006053] [2021-12-14 17:56:11,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803006053] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:11,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:11,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:56:11,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246384966] [2021-12-14 17:56:11,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:11,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:56:11,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:11,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:56:11,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:11,602 INFO L87 Difference]: Start difference. First operand 3183 states and 4779 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:56:21,973 INFO L93 Difference]: Finished difference Result 9935 states and 15966 transitions. [2021-12-14 17:56:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:56:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2021-12-14 17:56:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:56:22,015 INFO L225 Difference]: With dead ends: 9935 [2021-12-14 17:56:22,016 INFO L226 Difference]: Without dead ends: 6775 [2021-12-14 17:56:22,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:56:22,036 INFO L933 BasicCegarLoop]: 2693 mSDtfsCounter, 4230 mSDsluCounter, 3659 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 2240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4440 SdHoareTripleChecker+Valid, 6352 SdHoareTripleChecker+Invalid, 5324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2240 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:56:22,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4440 Valid, 6352 Invalid, 5324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2240 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-12-14 17:56:22,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6775 states. [2021-12-14 17:56:22,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6775 to 6358. [2021-12-14 17:56:22,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 4480 states have (on average 1.3830357142857144) internal successors, (6196), 4713 states have internal predecessors, (6196), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-14 17:56:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 9900 transitions. [2021-12-14 17:56:22,313 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 9900 transitions. Word has length 115 [2021-12-14 17:56:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:56:22,314 INFO L470 AbstractCegarLoop]: Abstraction has 6358 states and 9900 transitions. [2021-12-14 17:56:22,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 9900 transitions. [2021-12-14 17:56:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-14 17:56:22,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:22,317 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:22,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:56:22,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash -152489919, now seen corresponding path program 1 times [2021-12-14 17:56:22,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:22,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810187684] [2021-12-14 17:56:22,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:22,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:56:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:56:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-14 17:56:22,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:22,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810187684] [2021-12-14 17:56:22,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810187684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:22,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:22,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:56:22,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134146324] [2021-12-14 17:56:22,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:22,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:56:22,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:22,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:56:22,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:22,521 INFO L87 Difference]: Start difference. First operand 6358 states and 9900 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:35,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:56:35,047 INFO L93 Difference]: Finished difference Result 6773 states and 10669 transitions. [2021-12-14 17:56:35,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:56:35,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2021-12-14 17:56:35,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:56:35,081 INFO L225 Difference]: With dead ends: 6773 [2021-12-14 17:56:35,081 INFO L226 Difference]: Without dead ends: 6770 [2021-12-14 17:56:35,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:56:35,087 INFO L933 BasicCegarLoop]: 2696 mSDtfsCounter, 4098 mSDsluCounter, 4626 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 2130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4311 SdHoareTripleChecker+Valid, 7322 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2130 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-14 17:56:35,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4311 Valid, 7322 Invalid, 6216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2130 Valid, 4086 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2021-12-14 17:56:35,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2021-12-14 17:56:35,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 6359. [2021-12-14 17:56:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 4481 states have (on average 1.3829502343226958) internal successors, (6197), 4714 states have internal predecessors, (6197), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-14 17:56:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 9901 transitions. [2021-12-14 17:56:35,321 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 9901 transitions. Word has length 116 [2021-12-14 17:56:35,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:56:35,322 INFO L470 AbstractCegarLoop]: Abstraction has 6359 states and 9901 transitions. [2021-12-14 17:56:35,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 9901 transitions. [2021-12-14 17:56:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-14 17:56:35,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:35,361 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:35,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:56:35,362 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:35,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:35,363 INFO L85 PathProgramCache]: Analyzing trace with hash -432751076, now seen corresponding path program 1 times [2021-12-14 17:56:35,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:35,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099757738] [2021-12-14 17:56:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:35,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:56:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:56:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:35,544 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-14 17:56:35,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:35,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099757738] [2021-12-14 17:56:35,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099757738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:35,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:35,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:56:35,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542038009] [2021-12-14 17:56:35,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:35,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:56:35,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:56:35,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:35,547 INFO L87 Difference]: Start difference. First operand 6359 states and 9901 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:39,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:56:39,378 INFO L93 Difference]: Finished difference Result 6769 states and 10665 transitions. [2021-12-14 17:56:39,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:56:39,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 117 [2021-12-14 17:56:39,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:56:39,408 INFO L225 Difference]: With dead ends: 6769 [2021-12-14 17:56:39,408 INFO L226 Difference]: Without dead ends: 6766 [2021-12-14 17:56:39,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:56:39,412 INFO L933 BasicCegarLoop]: 2064 mSDtfsCounter, 3576 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 1775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3783 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1775 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-14 17:56:39,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3783 Valid, 2894 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1775 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-14 17:56:39,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6766 states. [2021-12-14 17:56:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6766 to 6358. [2021-12-14 17:56:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 4481 states have (on average 1.3827270698504799) internal successors, (6196), 4713 states have internal predecessors, (6196), 1462 states have call successors, (1462), 358 states have call predecessors, (1462), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-14 17:56:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 9899 transitions. [2021-12-14 17:56:39,620 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 9899 transitions. Word has length 117 [2021-12-14 17:56:39,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:56:39,621 INFO L470 AbstractCegarLoop]: Abstraction has 6358 states and 9899 transitions. [2021-12-14 17:56:39,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:56:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 9899 transitions. [2021-12-14 17:56:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-14 17:56:39,624 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:56:39,624 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:56:39,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 17:56:39,624 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:56:39,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:56:39,625 INFO L85 PathProgramCache]: Analyzing trace with hash -530907484, now seen corresponding path program 1 times [2021-12-14 17:56:39,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:56:39,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029915754] [2021-12-14 17:56:39,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:56:39,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:56:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:56:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:56:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:56:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:56:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:56:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 17:56:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 17:56:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:56:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:56:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-14 17:56:39,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:56:39,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029915754] [2021-12-14 17:56:39,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029915754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:56:39,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:56:39,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:56:39,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361976891] [2021-12-14 17:56:39,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:56:39,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:56:39,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:56:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:56:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:56:39,813 INFO L87 Difference]: Start difference. First operand 6358 states and 9899 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)