./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:14:32,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:14:32,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:14:32,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:14:32,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:14:32,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:14:32,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:14:32,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:14:32,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:14:32,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:14:32,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:14:32,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:14:32,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:14:32,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:14:32,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:14:32,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:14:32,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:14:32,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:14:32,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:14:32,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:14:32,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:14:32,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:14:32,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:14:32,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:14:32,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:14:32,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:14:32,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:14:32,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:14:32,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:14:32,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:14:32,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:14:32,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:14:32,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:14:32,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:14:32,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:14:32,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:14:32,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:14:32,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:14:32,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:14:32,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:14:32,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:14:32,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:14:32,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:14:32,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:14:32,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:14:32,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:14:32,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:14:32,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:14:32,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:14:32,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:14:32,325 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:14:32,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:14:32,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:14:32,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:14:32,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:14:32,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:14:32,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:14:32,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:14:32,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:14:32,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:14:32,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:14:32,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:14:32,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:14:32,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:14:32,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:14:32,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:14:32,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:14:32,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:14:32,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:14:32,328 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:14:32,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:14:32,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:14:32,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 [2021-12-28 04:14:32,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:14:32,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:14:32,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:14:32,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:14:32,634 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:14:32,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-28 04:14:32,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d5155f2/2033fcac07ac43b783c834205244a1ea/FLAGe07f1304a [2021-12-28 04:14:33,397 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:14:33,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-28 04:14:33,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d5155f2/2033fcac07ac43b783c834205244a1ea/FLAGe07f1304a [2021-12-28 04:14:33,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d5155f2/2033fcac07ac43b783c834205244a1ea [2021-12-28 04:14:33,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:14:33,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:14:33,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:14:33,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:14:33,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:14:33,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:14:33" (1/1) ... [2021-12-28 04:14:33,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69322d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:33, skipping insertion in model container [2021-12-28 04:14:33,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:14:33" (1/1) ... [2021-12-28 04:14:33,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:14:33,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:14:35,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2021-12-28 04:14:35,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:14:35,540 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:14:35,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2021-12-28 04:14:35,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:14:35,995 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:14:35,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35 WrapperNode [2021-12-28 04:14:35,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:14:35,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:14:35,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:14:35,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:14:36,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,261 INFO L137 Inliner]: procedures = 247, calls = 4073, calls flagged for inlining = 104, calls inlined = 99, statements flattened = 9462 [2021-12-28 04:14:36,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:14:36,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:14:36,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:14:36,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:14:36,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:14:36,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:14:36,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:14:36,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:14:36,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (1/1) ... [2021-12-28 04:14:36,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:14:36,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:14:36,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:14:36,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:14:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:14:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:14:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-28 04:14:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-28 04:14:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:14:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:14:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:14:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:14:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-28 04:14:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:14:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:14:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:14:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:14:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:14:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:14:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-28 04:14:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-28 04:14:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-28 04:14:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-28 04:14:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-28 04:14:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-28 04:14:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:14:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:14:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-28 04:14:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-28 04:14:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-28 04:14:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-28 04:14:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:14:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:14:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-28 04:14:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-28 04:14:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-28 04:14:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-28 04:14:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-28 04:14:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-28 04:14:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:14:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:14:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:14:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:14:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-28 04:14:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-28 04:14:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-28 04:14:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-28 04:14:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-28 04:14:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-28 04:14:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-28 04:14:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-28 04:14:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:14:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:14:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:14:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:14:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-28 04:14:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-28 04:14:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-28 04:14:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-28 04:14:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-28 04:14:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-28 04:14:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-28 04:14:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-28 04:14:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-28 04:14:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-28 04:14:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:14:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:14:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-28 04:14:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-28 04:14:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-28 04:14:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-28 04:14:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-28 04:14:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-28 04:14:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:14:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-28 04:14:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-28 04:14:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-28 04:14:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-28 04:14:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:14:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:14:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-28 04:14:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-28 04:14:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-28 04:14:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-28 04:14:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-28 04:14:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-28 04:14:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:14:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-28 04:14:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-28 04:14:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:14:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:14:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:14:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:14:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:14:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:14:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:14:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-28 04:14:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-28 04:14:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 04:14:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 04:14:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-28 04:14:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-28 04:14:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:14:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:14:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-28 04:14:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-28 04:14:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:14:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-28 04:14:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-28 04:14:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-28 04:14:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-28 04:14:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-28 04:14:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-28 04:14:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:14:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:14:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-28 04:14:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-28 04:14:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-28 04:14:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-28 04:14:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:14:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:14:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-28 04:14:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-28 04:14:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-28 04:14:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-28 04:14:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-28 04:14:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-28 04:14:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-28 04:14:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-28 04:14:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:14:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:14:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-28 04:14:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-28 04:14:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:14:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:14:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:14:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:14:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:14:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-28 04:14:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-28 04:14:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-28 04:14:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-28 04:14:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-28 04:14:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-28 04:14:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:14:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:14:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:14:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:14:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-28 04:14:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-28 04:14:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:14:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-28 04:14:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-28 04:14:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:14:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:14:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-28 04:14:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-28 04:14:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:14:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:14:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:14:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-28 04:14:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-28 04:14:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-28 04:14:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-28 04:14:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-28 04:14:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-28 04:14:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-28 04:14:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-28 04:14:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:14:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:14:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-28 04:14:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-28 04:14:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-28 04:14:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-28 04:14:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-28 04:14:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-28 04:14:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-28 04:14:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-28 04:14:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:14:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:14:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-28 04:14:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-28 04:14:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-28 04:14:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-28 04:14:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-28 04:14:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-28 04:14:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-28 04:14:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-28 04:14:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-28 04:14:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-28 04:14:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:14:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:14:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-28 04:14:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-28 04:14:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-28 04:14:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-28 04:14:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-28 04:14:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-28 04:14:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_6 [2021-12-28 04:14:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_6 [2021-12-28 04:14:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:14:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-28 04:14:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-28 04:14:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-28 04:14:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-28 04:14:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:14:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:14:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:14:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:14:37,596 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:14:37,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:14:37,665 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:14:53,208 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:14:53,267 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:14:53,267 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:14:53,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:14:53 BoogieIcfgContainer [2021-12-28 04:14:53,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:14:53,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:14:53,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:14:53,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:14:53,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:14:33" (1/3) ... [2021-12-28 04:14:53,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7210323b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:14:53, skipping insertion in model container [2021-12-28 04:14:53,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:14:35" (2/3) ... [2021-12-28 04:14:53,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7210323b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:14:53, skipping insertion in model container [2021-12-28 04:14:53,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:14:53" (3/3) ... [2021-12-28 04:14:53,280 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-28 04:14:53,301 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:14:53,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:14:53,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:14:53,446 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:14:53,446 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:14:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 3093 states, 2383 states have (on average 1.4582459085186739) internal successors, (3475), 2413 states have internal predecessors, (3475), 616 states have call successors, (616), 93 states have call predecessors, (616), 92 states have return successors, (605), 602 states have call predecessors, (605), 605 states have call successors, (605) [2021-12-28 04:14:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-28 04:14:53,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:14:53,524 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:14:53,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:14:53,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:14:53,531 INFO L85 PathProgramCache]: Analyzing trace with hash -749878817, now seen corresponding path program 1 times [2021-12-28 04:14:53,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:14:53,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838610021] [2021-12-28 04:14:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:14:53,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:14:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:14:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:14:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:14:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:14:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:14:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:14:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:14:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:14:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:14:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:14:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:14:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:14:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:14:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:14:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:14:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:14:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:14:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-28 04:14:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-28 04:14:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-28 04:14:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-28 04:14:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-28 04:14:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-28 04:14:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-28 04:14:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-28 04:14:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:14:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-28 04:14:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-28 04:14:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-28 04:14:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-28 04:14:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-28 04:14:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-28 04:14:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-28 04:14:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-28 04:14:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:14:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-28 04:14:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-28 04:14:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-28 04:14:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:14:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-28 04:14:54,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:14:54,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838610021] [2021-12-28 04:14:54,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838610021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:14:54,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:14:54,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:14:54,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870906368] [2021-12-28 04:14:54,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:14:54,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:14:54,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:14:54,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:14:54,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:14:54,801 INFO L87 Difference]: Start difference. First operand has 3093 states, 2383 states have (on average 1.4582459085186739) internal successors, (3475), 2413 states have internal predecessors, (3475), 616 states have call successors, (616), 93 states have call predecessors, (616), 92 states have return successors, (605), 602 states have call predecessors, (605), 605 states have call successors, (605) Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-28 04:15:01,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:03,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:05,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:18,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:20,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:24,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:26,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:28,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:15:29,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:15:29,112 INFO L93 Difference]: Finished difference Result 6675 states and 10651 transitions. [2021-12-28 04:15:29,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 04:15:29,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 528 [2021-12-28 04:15:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:15:29,178 INFO L225 Difference]: With dead ends: 6675 [2021-12-28 04:15:29,179 INFO L226 Difference]: Without dead ends: 3564 [2021-12-28 04:15:29,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:15:29,215 INFO L933 BasicCegarLoop]: 4099 mSDtfsCounter, 3904 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 9529 mSolverCounterSat, 2634 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4352 SdHoareTripleChecker+Valid, 8040 SdHoareTripleChecker+Invalid, 12170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2634 IncrementalHoareTripleChecker+Valid, 9529 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:15:29,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4352 Valid, 8040 Invalid, 12170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2634 Valid, 9529 Invalid, 7 Unknown, 0 Unchecked, 33.7s Time] [2021-12-28 04:15:29,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2021-12-28 04:15:29,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3070. [2021-12-28 04:15:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 2373 states have (on average 1.4517488411293722) internal successors, (3445), 2390 states have internal predecessors, (3445), 605 states have call successors, (605), 92 states have call predecessors, (605), 91 states have return successors, (604), 601 states have call predecessors, (604), 604 states have call successors, (604) [2021-12-28 04:15:29,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4654 transitions. [2021-12-28 04:15:29,447 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4654 transitions. Word has length 528 [2021-12-28 04:15:29,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:15:29,449 INFO L470 AbstractCegarLoop]: Abstraction has 3070 states and 4654 transitions. [2021-12-28 04:15:29,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-28 04:15:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4654 transitions. [2021-12-28 04:15:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-28 04:15:29,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:15:29,462 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:15:29,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:15:29,463 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:15:29,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:15:29,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1430358289, now seen corresponding path program 1 times [2021-12-28 04:15:29,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:15:29,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235370692] [2021-12-28 04:15:29,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:15:29,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:15:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:15:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:15:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:15:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:15:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:15:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:15:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:15:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:15:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:15:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:15:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:15:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:15:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:15:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:15:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:15:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:15:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:15:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-28 04:15:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-28 04:15:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-28 04:15:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-28 04:15:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-28 04:15:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-28 04:15:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-28 04:15:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-28 04:15:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:15:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-28 04:15:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-28 04:15:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-28 04:15:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-28 04:15:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-28 04:15:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-28 04:15:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-28 04:15:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-28 04:15:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:15:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-28 04:15:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-28 04:15:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-28 04:15:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:15:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-28 04:15:30,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:15:30,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235370692] [2021-12-28 04:15:30,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235370692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:15:30,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:15:30,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:15:30,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743389892] [2021-12-28 04:15:30,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:15:30,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:15:30,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:15:30,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:15:30,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:15:30,439 INFO L87 Difference]: Start difference. First operand 3070 states and 4654 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-28 04:15:38,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []