./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:02:14,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:02:14,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:02:14,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:02:14,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:02:14,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:02:14,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:02:14,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:02:14,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:02:14,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:02:14,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:02:14,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:02:14,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:02:14,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:02:14,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:02:14,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:02:14,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:02:14,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:02:14,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:02:14,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:02:14,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:02:14,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:02:14,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:02:14,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:02:14,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:02:14,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:02:14,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:02:14,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:02:14,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:02:14,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:02:14,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:02:14,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:02:14,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:02:14,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:02:14,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:02:14,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:02:14,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:02:14,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:02:14,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:02:14,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:02:14,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:02:14,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:02:14,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:02:14,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:02:14,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:02:14,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:02:14,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:02:14,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:02:14,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:02:14,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:02:14,199 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:02:14,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:02:14,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:02:14,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:02:14,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:02:14,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:02:14,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:02:14,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:02:14,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:02:14,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:02:14,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:02:14,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:02:14,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:02:14,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:02:14,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:02:14,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:02:14,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:02:14,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:02:14,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:02:14,202 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:02:14,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:02:14,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:02:14,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:02:14,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 [2021-12-14 18:02:14,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:02:14,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:02:14,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:02:14,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:02:14,438 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:02:14,439 INFO L432 ainManager$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 [2021-12-14 18:02:14,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5deaddc1/8dd145bbfffb4be39b0d62b9bc3dc13b/FLAG010ec1427 [2021-12-14 18:02:15,272 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:02:15,272 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 [2021-12-14 18:02:15,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5deaddc1/8dd145bbfffb4be39b0d62b9bc3dc13b/FLAG010ec1427 [2021-12-14 18:02:15,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5deaddc1/8dd145bbfffb4be39b0d62b9bc3dc13b [2021-12-14 18:02:15,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:02:15,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:02:15,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:02:15,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:02:15,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:02:15,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:02:15" (1/1) ... [2021-12-14 18:02:15,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143d6bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:15, skipping insertion in model container [2021-12-14 18:02:15,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:02:15" (1/1) ... [2021-12-14 18:02:15,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:02:15,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:02:16,980 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] [2021-12-14 18:02:17,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:02:17,071 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:02:17,401 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] [2021-12-14 18:02:17,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:02:17,503 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:02:17,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17 WrapperNode [2021-12-14 18:02:17,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:02:17,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:02:17,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:02:17,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:02:17,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:17,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:17,925 INFO L137 Inliner]: procedures = 247, calls = 4073, calls flagged for inlining = 104, calls inlined = 99, statements flattened = 9462 [2021-12-14 18:02:17,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:02:17,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:02:17,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:02:17,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:02:17,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:17,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:17,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:17,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:18,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:18,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:18,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:18,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:02:18,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:02:18,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:02:18,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:02:18,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (1/1) ... [2021-12-14 18:02:18,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:02:18,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:02:18,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:02:18,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:02:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:02:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:02:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-14 18:02:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-14 18:02:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 18:02:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 18:02:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:02:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:02:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 18:02:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:02:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:02:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:02:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:02:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:02:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:02:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-14 18:02:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-14 18:02:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-14 18:02:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-14 18:02:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-14 18:02:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-14 18:02:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:02:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:02:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-14 18:02:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-14 18:02:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-14 18:02:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-14 18:02:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:02:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:02:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-14 18:02:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-14 18:02:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-14 18:02:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-14 18:02:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-14 18:02:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-14 18:02:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:02:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:02:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:02:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:02:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-14 18:02:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-14 18:02:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-14 18:02:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-14 18:02:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-14 18:02:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-14 18:02:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-14 18:02:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-14 18:02:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:02:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:02:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:02:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:02:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-14 18:02:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-14 18:02:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-14 18:02:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-14 18:02:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-14 18:02:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-14 18:02:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-14 18:02:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-14 18:02:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-14 18:02:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-14 18:02:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:02:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:02:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-14 18:02:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-14 18:02:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-14 18:02:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-14 18:02:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-14 18:02:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-14 18:02:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:02:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-14 18:02:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-14 18:02:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-14 18:02:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-14 18:02:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:02:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:02:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-14 18:02:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-14 18:02:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-14 18:02:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-14 18:02:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-14 18:02:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-14 18:02:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:02:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-14 18:02:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-14 18:02:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:02:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-14 18:02:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-14 18:02:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:02:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:02:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:02:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:02:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-14 18:02:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-14 18:02:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:02:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:02:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-14 18:02:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-14 18:02:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:02:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:02:18,480 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-14 18:02:18,480 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-14 18:02:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:02:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-14 18:02:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-14 18:02:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 18:02:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 18:02:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-14 18:02:18,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-14 18:02:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:02:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:02:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-14 18:02:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-14 18:02:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-14 18:02:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-14 18:02:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:02:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:02:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-14 18:02:18,484 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-14 18:02:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-14 18:02:18,485 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-14 18:02:18,485 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-14 18:02:18,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-14 18:02:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-14 18:02:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-14 18:02:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:02:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:02:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-14 18:02:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-14 18:02:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:02:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:02:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:02:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:02:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:02:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-14 18:02:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-14 18:02:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-14 18:02:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-14 18:02:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-14 18:02:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-14 18:02:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:02:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:02:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:02:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:02:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-14 18:02:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-14 18:02:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:02:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-14 18:02:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-14 18:02:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:02:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:02:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-14 18:02:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-14 18:02:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 18:02:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 18:02:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:02:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-14 18:02:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-14 18:02:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-14 18:02:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-14 18:02:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-14 18:02:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-14 18:02:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-14 18:02:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-14 18:02:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:02:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:02:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-14 18:02:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-14 18:02:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-14 18:02:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-14 18:02:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-14 18:02:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-14 18:02:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-14 18:02:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-14 18:02:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:02:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:02:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-14 18:02:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-14 18:02:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-14 18:02:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-14 18:02:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-14 18:02:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-14 18:02:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-14 18:02:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-14 18:02:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-14 18:02:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-14 18:02:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:02:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:02:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-14 18:02:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-14 18:02:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-14 18:02:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-14 18:02:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-14 18:02:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-14 18:02:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_6 [2021-12-14 18:02:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_6 [2021-12-14 18:02:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:02:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-14 18:02:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-14 18:02:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-14 18:02:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-14 18:02:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:02:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:02:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:02:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:02:19,528 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:02:19,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:02:19,604 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:02:34,533 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:02:34,559 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:02:34,559 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:02:34,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:02:34 BoogieIcfgContainer [2021-12-14 18:02:34,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:02:34,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:02:34,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:02:34,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:02:34,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:02:15" (1/3) ... [2021-12-14 18:02:34,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68de15d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:02:34, skipping insertion in model container [2021-12-14 18:02:34,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:02:17" (2/3) ... [2021-12-14 18:02:34,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68de15d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:02:34, skipping insertion in model container [2021-12-14 18:02:34,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:02:34" (3/3) ... [2021-12-14 18:02:34,571 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-14 18:02:34,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:02:34,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:02:34,627 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:02:34,633 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:02:34,633 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:02:34,690 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) [2021-12-14 18:02:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-14 18:02:34,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:02:34,722 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] [2021-12-14 18:02:34,722 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:02:34,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:02:34,726 INFO L85 PathProgramCache]: Analyzing trace with hash -749878817, now seen corresponding path program 1 times [2021-12-14 18:02:34,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:02:34,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735609206] [2021-12-14 18:02:34,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:02:34,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:02:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:02:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:02:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:02:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:02:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:02:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:02:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:02:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:02:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:02:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:02:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:02:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:02:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:02:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:02:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:02:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:02:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:02:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:02:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:02:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:02:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:35,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:02:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:02:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:02:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-14 18:02:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-14 18:02:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:02:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-14 18:02:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-14 18:02:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-14 18:02:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-14 18:02:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-14 18:02:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-14 18:02:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-14 18:02:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-14 18:02:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:02:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-14 18:02:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-14 18:02:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-14 18:02:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:02:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-14 18:02:36,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:02:36,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735609206] [2021-12-14 18:02:36,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735609206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:02:36,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:02:36,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:02:36,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387074407] [2021-12-14 18:02:36,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:02:36,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:02:36,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:02:36,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:02:36,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:02:36,587 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) [2021-12-14 18:02:43,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:02:45,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:02:47,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:02:58,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 18:03:07,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:03:09,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:03:11,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:03:11,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:03:11,646 INFO L93 Difference]: Finished difference Result 6675 states and 10651 transitions. [2021-12-14 18:03:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 18:03:11,649 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 [2021-12-14 18:03:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:03:11,713 INFO L225 Difference]: With dead ends: 6675 [2021-12-14 18:03:11,713 INFO L226 Difference]: Without dead ends: 3564 [2021-12-14 18:03:11,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:03:11,745 INFO L933 BasicCegarLoop]: 4097 mSDtfsCounter, 3904 mSDsluCounter, 4141 mSDsCounter, 0 mSdLazyCounter, 9315 mSolverCounterSat, 2636 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4354 SdHoareTripleChecker+Valid, 8238 SdHoareTripleChecker+Invalid, 11958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2636 IncrementalHoareTripleChecker+Valid, 9315 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:03:11,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4354 Valid, 8238 Invalid, 11958 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2636 Valid, 9315 Invalid, 7 Unknown, 0 Unchecked, 34.4s Time] [2021-12-14 18:03:11,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2021-12-14 18:03:11,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3070. [2021-12-14 18:03:11,959 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) [2021-12-14 18:03:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4654 transitions. [2021-12-14 18:03:11,994 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4654 transitions. Word has length 528 [2021-12-14 18:03:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:03:11,995 INFO L470 AbstractCegarLoop]: Abstraction has 3070 states and 4654 transitions. [2021-12-14 18:03:11,996 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) [2021-12-14 18:03:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4654 transitions. [2021-12-14 18:03:12,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-14 18:03:12,008 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:03:12,010 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] [2021-12-14 18:03:12,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:03:12,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:03:12,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:03:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1430358289, now seen corresponding path program 1 times [2021-12-14 18:03:12,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:03:12,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297299379] [2021-12-14 18:03:12,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:03:12,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:03:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:03:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:03:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:03:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:03:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:03:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:03:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:03:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:03:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:03:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:03:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:03:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:03:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:03:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:03:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:03:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:03:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:03:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:03:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:03:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:03:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:03:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:03:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:03:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-14 18:03:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-14 18:03:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:03:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-14 18:03:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-14 18:03:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:12,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-14 18:03:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-14 18:03:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-14 18:03:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-14 18:03:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-14 18:03:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-14 18:03:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:03:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-14 18:03:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-14 18:03:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-14 18:03:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:03:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-14 18:03:13,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:03:13,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297299379] [2021-12-14 18:03:13,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297299379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:03:13,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:03:13,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:03:13,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183670856] [2021-12-14 18:03:13,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:03:13,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:03:13,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:03:13,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:03:13,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:03:13,126 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) [2021-12-14 18:03:20,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:03:22,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []