./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:23:48,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:23:48,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:23:48,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:23:48,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:23:48,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:23:48,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:23:48,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:23:48,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:23:48,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:23:48,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:23:48,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:23:48,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:23:48,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:23:48,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:23:48,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:23:48,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:23:48,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:23:48,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:23:48,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:23:48,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:23:48,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:23:48,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:23:48,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:23:48,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:23:48,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:23:48,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:23:48,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:23:48,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:23:48,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:23:48,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:23:48,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:23:48,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:23:48,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:23:48,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:23:48,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:23:48,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:23:48,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:23:48,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:23:48,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:23:48,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:23:49,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:23:49,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:23:49,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:23:49,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:23:49,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:23:49,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:23:49,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:23:49,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:23:49,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:23:49,035 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:23:49,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:23:49,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:23:49,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:23:49,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:23:49,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:23:49,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:23:49,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:23:49,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:23:49,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:23:49,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:23:49,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:23:49,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:23:49,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:23:49,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:23:49,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:23:49,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:23:49,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:23:49,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:23:49,039 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:23:49,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:23:49,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:23:49,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e [2021-12-28 04:23:49,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:23:49,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:23:49,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:23:49,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:23:49,367 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:23:49,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-28 04:23:49,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12af3214b/1e5c9344531b4ccfb168f01521aa010e/FLAG7f5f53cdc [2021-12-28 04:23:50,319 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:23:50,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-28 04:23:50,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12af3214b/1e5c9344531b4ccfb168f01521aa010e/FLAG7f5f53cdc [2021-12-28 04:23:50,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12af3214b/1e5c9344531b4ccfb168f01521aa010e [2021-12-28 04:23:50,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:23:50,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:23:50,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:23:50,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:23:50,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:23:50,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:23:50" (1/1) ... [2021-12-28 04:23:50,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74eb79ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:50, skipping insertion in model container [2021-12-28 04:23:50,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:23:50" (1/1) ... [2021-12-28 04:23:50,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:23:50,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:23:52,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2021-12-28 04:23:53,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:23:53,314 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:23:53,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2021-12-28 04:23:53,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:23:53,941 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:23:53,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53 WrapperNode [2021-12-28 04:23:53,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:23:53,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:23:53,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:23:53,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:23:53,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,429 INFO L137 Inliner]: procedures = 319, calls = 4201, calls flagged for inlining = 120, calls inlined = 112, statements flattened = 9565 [2021-12-28 04:23:54,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:23:54,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:23:54,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:23:54,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:23:54,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:54,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:23:54,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:23:54,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:23:54,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:23:54,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (1/1) ... [2021-12-28 04:23:55,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:23:55,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:23:55,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:23:55,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:23:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:23:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:23:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-28 04:23:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-28 04:23:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:23:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:23:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:23:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:23:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-28 04:23:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:23:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:23:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:23:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:23:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:23:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:23:55,068 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-28 04:23:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-28 04:23:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-28 04:23:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-28 04:23:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-28 04:23:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-28 04:23:55,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:23:55,069 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:23:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-28 04:23:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-28 04:23:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-28 04:23:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-28 04:23:55,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:23:55,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:23:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-28 04:23:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-28 04:23:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-28 04:23:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-28 04:23:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-28 04:23:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-28 04:23:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-28 04:23:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-28 04:23:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:23:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:23:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:23:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:23:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-28 04:23:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-28 04:23:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-28 04:23:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-28 04:23:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-28 04:23:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-28 04:23:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-28 04:23:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-28 04:23:55,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:23:55,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:23:55,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:23:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:23:55,075 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-28 04:23:55,075 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-28 04:23:55,076 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-28 04:23:55,076 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-28 04:23:55,076 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:23:55,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:23:55,077 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-28 04:23:55,077 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-28 04:23:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-12-28 04:23:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-12-28 04:23:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-28 04:23:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-28 04:23:55,078 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-28 04:23:55,078 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-28 04:23:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:23:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-28 04:23:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-28 04:23:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:23:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-28 04:23:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-28 04:23:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-28 04:23:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-28 04:23:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-28 04:23:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-28 04:23:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:23:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2021-12-28 04:23:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2021-12-28 04:23:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-28 04:23:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-28 04:23:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-28 04:23:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-28 04:23:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:23:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:23:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-28 04:23:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-28 04:23:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-28 04:23:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-28 04:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-28 04:23:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-28 04:23:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-28 04:23:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-28 04:23:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:23:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-28 04:23:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-28 04:23:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:23:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:23:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:23:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:23:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:23:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:23:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:23:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-28 04:23:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-28 04:23:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 04:23:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 04:23:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-28 04:23:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-28 04:23:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-28 04:23:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-28 04:23:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:23:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-28 04:23:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-28 04:23:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-28 04:23:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-28 04:23:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-28 04:23:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-28 04:23:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:23:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:23:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-28 04:23:55,092 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-28 04:23:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-28 04:23:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-28 04:23:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:23:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:23:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-28 04:23:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-28 04:23:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-28 04:23:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-28 04:23:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-28 04:23:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-28 04:23:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-28 04:23:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-28 04:23:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:23:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:23:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-28 04:23:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-28 04:23:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:23:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:23:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:23:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:23:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:23:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-28 04:23:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-28 04:23:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-28 04:23:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-28 04:23:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-28 04:23:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-28 04:23:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:23:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:23:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:23:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:23:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-28 04:23:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-28 04:23:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:23:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-28 04:23:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-28 04:23:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:23:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:23:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-28 04:23:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-28 04:23:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:23:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:23:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:23:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-28 04:23:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-28 04:23:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:23:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:23:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-28 04:23:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-28 04:23:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-28 04:23:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-28 04:23:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-28 04:23:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-28 04:23:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:23:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:23:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-28 04:23:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-28 04:23:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-28 04:23:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-28 04:23:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-28 04:23:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-28 04:23:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-28 04:23:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-28 04:23:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:23:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:23:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-28 04:23:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-28 04:23:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-28 04:23:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-28 04:23:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-28 04:23:55,108 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-28 04:23:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-28 04:23:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-28 04:23:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-28 04:23:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-28 04:23:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:23:55,109 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:23:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-28 04:23:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-28 04:23:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-28 04:23:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-28 04:23:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-28 04:23:55,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-28 04:23:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:23:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-28 04:23:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-28 04:23:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-28 04:23:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-28 04:23:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:23:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:23:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:23:55,111 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:23:56,139 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:23:56,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:23:56,219 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:24:08,595 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:24:08,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:24:08,632 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:24:08,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:24:08 BoogieIcfgContainer [2021-12-28 04:24:08,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:24:08,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:24:08,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:24:08,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:24:08,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:23:50" (1/3) ... [2021-12-28 04:24:08,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bcbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:24:08, skipping insertion in model container [2021-12-28 04:24:08,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:23:53" (2/3) ... [2021-12-28 04:24:08,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3bcbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:24:08, skipping insertion in model container [2021-12-28 04:24:08,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:24:08" (3/3) ... [2021-12-28 04:24:08,644 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-28 04:24:08,649 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:24:08,649 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:24:08,699 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:24:08,706 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:24:08,706 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:24:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 3155 states, 2418 states have (on average 1.4553349875930521) internal successors, (3519), 2456 states have internal predecessors, (3519), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) [2021-12-28 04:24:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-28 04:24:08,801 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:24:08,803 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] [2021-12-28 04:24:08,803 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:24:08,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:24:08,808 INFO L85 PathProgramCache]: Analyzing trace with hash -371824301, now seen corresponding path program 1 times [2021-12-28 04:24:08,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:24:08,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179934166] [2021-12-28 04:24:08,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:24:08,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:24:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:24:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:24:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:24:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:24:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:24:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:24:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:24:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:24:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:24:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:24:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:24:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:24:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:24:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:24:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:24:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:24:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:24:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-28 04:24:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-28 04:24:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-28 04:24:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-28 04:24:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-28 04:24:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-28 04:24:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-28 04:24:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-28 04:24:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-28 04:24:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-28 04:24:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-28 04:24:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-28 04:24:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-28 04:24:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-28 04:24:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-28 04:24:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-28 04:24:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-28 04:24:10,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:24:10,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179934166] [2021-12-28 04:24:10,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179934166] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:24:10,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:24:10,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:24:10,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886752766] [2021-12-28 04:24:10,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:24:10,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:24:10,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:24:10,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:24:10,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:24:10,504 INFO L87 Difference]: Start difference. First operand has 3155 states, 2418 states have (on average 1.4553349875930521) internal successors, (3519), 2456 states have internal predecessors, (3519), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-28 04:24:17,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:24:19,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:24:25,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 04:24:31,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:24:35,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:24:38,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:24:38,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:24:38,395 INFO L93 Difference]: Finished difference Result 6799 states and 10840 transitions. [2021-12-28 04:24:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:24:38,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 510 [2021-12-28 04:24:38,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:24:38,451 INFO L225 Difference]: With dead ends: 6799 [2021-12-28 04:24:38,451 INFO L226 Difference]: Without dead ends: 3626 [2021-12-28 04:24:38,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:24:38,491 INFO L933 BasicCegarLoop]: 4512 mSDtfsCounter, 1412 mSDsluCounter, 6341 mSDsCounter, 0 mSdLazyCounter, 5363 mSolverCounterSat, 1644 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 10853 SdHoareTripleChecker+Invalid, 7011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 5363 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:24:38,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1442 Valid, 10853 Invalid, 7011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1644 Valid, 5363 Invalid, 4 Unknown, 0 Unchecked, 27.3s Time] [2021-12-28 04:24:38,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2021-12-28 04:24:38,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3132. [2021-12-28 04:24:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 2408 states have (on average 1.448920265780731) internal successors, (3489), 2433 states have internal predecessors, (3489), 627 states have call successors, (627), 97 states have call predecessors, (627), 96 states have return successors, (618), 615 states have call predecessors, (618), 618 states have call successors, (618) [2021-12-28 04:24:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4734 transitions. [2021-12-28 04:24:38,754 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4734 transitions. Word has length 510 [2021-12-28 04:24:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:24:38,756 INFO L470 AbstractCegarLoop]: Abstraction has 3132 states and 4734 transitions. [2021-12-28 04:24:38,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-28 04:24:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4734 transitions. [2021-12-28 04:24:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-28 04:24:38,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:24:38,770 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] [2021-12-28 04:24:38,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:24:38,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:24:38,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:24:38,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1693972741, now seen corresponding path program 1 times [2021-12-28 04:24:38,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:24:38,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823300281] [2021-12-28 04:24:38,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:24:38,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:24:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:24:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:24:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:24:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:24:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:24:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:24:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:24:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:24:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:24:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:24:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:24:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:24:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 04:24:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-28 04:24:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:24:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:24:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:24:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-28 04:24:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-28 04:24:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-28 04:24:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-28 04:24:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-28 04:24:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-28 04:24:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-28 04:24:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-28 04:24:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:24:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-28 04:24:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-28 04:24:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-28 04:24:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-28 04:24:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-28 04:24:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-28 04:24:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-28 04:24:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-28 04:24:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:24:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:24:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-28 04:24:39,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:24:39,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823300281] [2021-12-28 04:24:39,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823300281] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:24:39,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:24:39,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:24:39,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962059969] [2021-12-28 04:24:39,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:24:39,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:24:39,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:24:39,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:24:39,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:24:39,873 INFO L87 Difference]: Start difference. First operand 3132 states and 4734 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2021-12-28 04:24:42,994 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 []