./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:16:29,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:16:29,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:16:30,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:16:30,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:16:30,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:16:30,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:16:30,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:16:30,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:16:30,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:16:30,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:16:30,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:16:30,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:16:30,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:16:30,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:16:30,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:16:30,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:16:30,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:16:30,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:16:30,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:16:30,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:16:30,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:16:30,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:16:30,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:16:30,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:16:30,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:16:30,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:16:30,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:16:30,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:16:30,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:16:30,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:16:30,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:16:30,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:16:30,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:16:30,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:16:30,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:16:30,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:16:30,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:16:30,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:16:30,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:16:30,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:16:30,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:16:30,102 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:16:30,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:16:30,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:16:30,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:16:30,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:16:30,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:16:30,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:16:30,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:16:30,104 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:16:30,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:16:30,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:16:30,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:16:30,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:16:30,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:16:30,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:16:30,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:16:30,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:16:30,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:16:30,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:16:30,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:16:30,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:16:30,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:16:30,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:16:30,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:16:30,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:16:30,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:16:30,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:16:30,107 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:16:30,107 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:16:30,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:16:30,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:16:30,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda3098802797ffc08e15000ad078a436cf195bb22a40ea321a7ea1bbc073e29 [2021-12-16 04:16:30,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:16:30,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:16:30,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:16:30,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:16:30,345 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:16:30,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-16 04:16:30,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae3515b8/f26b0c1b01dd4c8cbd4e9030ccc933af/FLAGac3c8e448 [2021-12-16 04:16:31,058 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:16:31,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-16 04:16:31,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae3515b8/f26b0c1b01dd4c8cbd4e9030ccc933af/FLAGac3c8e448 [2021-12-16 04:16:31,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae3515b8/f26b0c1b01dd4c8cbd4e9030ccc933af [2021-12-16 04:16:31,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:16:31,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:16:31,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:16:31,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:16:31,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:16:31,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:16:31" (1/1) ... [2021-12-16 04:16:31,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c965966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:31, skipping insertion in model container [2021-12-16 04:16:31,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:16:31" (1/1) ... [2021-12-16 04:16:31,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:16:31,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:16:33,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2021-12-16 04:16:33,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:16:33,120 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:16:33,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i[353122,353135] [2021-12-16 04:16:33,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:16:33,536 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:16:33,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33 WrapperNode [2021-12-16 04:16:33,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:16:33,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:16:33,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:16:33,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:16:33,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:33,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:33,866 INFO L137 Inliner]: procedures = 247, calls = 4073, calls flagged for inlining = 104, calls inlined = 99, statements flattened = 9462 [2021-12-16 04:16:33,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:16:33,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:16:33,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:16:33,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:16:33,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:33,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:33,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:33,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:34,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:34,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:34,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:34,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:16:34,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:16:34,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:16:34,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:16:34,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (1/1) ... [2021-12-16 04:16:34,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:16:34,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:16:34,349 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) [2021-12-16 04:16:34,404 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 [2021-12-16 04:16:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 04:16:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 04:16:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-16 04:16:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-16 04:16:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:16:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:16:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:16:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:16:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-16 04:16:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-16 04:16:34,443 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-16 04:16:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-16 04:16:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 04:16:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-16 04:16:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-16 04:16:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:16:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-16 04:16:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-16 04:16:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-16 04:16:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-16 04:16:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:16:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:16:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-16 04:16:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-16 04:16:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-16 04:16:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-16 04:16:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:16:34,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:16:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-16 04:16:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-16 04:16:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-16 04:16:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-16 04:16:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-16 04:16:34,446 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 04:16:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-16 04:16:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-16 04:16:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-16 04:16:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-16 04:16:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-16 04:16:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:16:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-16 04:16:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-16 04:16:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-16 04:16:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-16 04:16:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-16 04:16:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-16 04:16:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:16:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:16:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:16:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-16 04:16:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 04:16:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-16 04:16:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:16:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-16 04:16:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-16 04:16:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-16 04:16:34,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-16 04:16:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-16 04:16:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-16 04:16:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-16 04:16:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:16:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-16 04:16:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-16 04:16:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-16 04:16:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-16 04:16:34,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-16 04:16:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-16 04:16:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-16 04:16:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:16:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:16:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-16 04:16:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-16 04:16:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-16 04:16:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-16 04:16:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:16:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:16:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:16:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-16 04:16:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-16 04:16:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-16 04:16:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-16 04:16:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-16 04:16:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-16 04:16:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:16:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:16:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:16:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:16:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-16 04:16:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-16 04:16:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:16:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-16 04:16:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-16 04:16:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:16:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:16:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-16 04:16:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-16 04:16:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:16:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:16:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:16:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-16 04:16:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-16 04:16:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-16 04:16:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-16 04:16:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-16 04:16:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-16 04:16:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-16 04:16:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-16 04:16:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:16:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:16:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_6 [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_6 [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:16:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:16:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:16:35,294 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:16:35,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:16:35,382 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:16:50,229 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:16:50,261 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:16:50,261 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:16:50,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:16:50 BoogieIcfgContainer [2021-12-16 04:16:50,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:16:50,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:16:50,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:16:50,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:16:50,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:16:31" (1/3) ... [2021-12-16 04:16:50,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d465226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:16:50, skipping insertion in model container [2021-12-16 04:16:50,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:16:33" (2/3) ... [2021-12-16 04:16:50,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d465226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:16:50, skipping insertion in model container [2021-12-16 04:16:50,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:16:50" (3/3) ... [2021-12-16 04:16:50,273 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-16 04:16:50,278 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:16:50,278 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:16:50,332 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:16:50,339 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 [2021-12-16 04:16:50,339 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:16:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 3093 states, 2383 states have (on average 1.4582459085186739) internal successors, (3475), 2413 states have internal predecessors, (3475), 616 states have call successors, (616), 93 states have call predecessors, (616), 92 states have return successors, (605), 602 states have call predecessors, (605), 605 states have call successors, (605) [2021-12-16 04:16:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-16 04:16:50,420 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:16:50,421 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:16:50,421 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:16:50,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:16:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash -749878817, now seen corresponding path program 1 times [2021-12-16 04:16:50,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:16:50,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985796923] [2021-12-16 04:16:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:16:50,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:16:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:16:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:16:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:16:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:16:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:16:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:16:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:16:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:16:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:16:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:16:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:16:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:16:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-16 04:16:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-16 04:16:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 04:16:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 04:16:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 04:16:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 04:16:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-16 04:16:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:16:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:16:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-16 04:16:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-16 04:16:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-16 04:16:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-16 04:16:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:16:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-16 04:16:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-16 04:16:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-16 04:16:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-16 04:16:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-16 04:16:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-16 04:16:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-16 04:16:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-16 04:16:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:16:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-16 04:16:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-16 04:16:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-16 04:16:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:16:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-16 04:16:51,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:16:51,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985796923] [2021-12-16 04:16:51,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985796923] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:16:51,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:16:51,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:16:51,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582781036] [2021-12-16 04:16:51,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:16:51,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:16:51,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:16:51,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:16:51,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:16:51,949 INFO L87 Difference]: Start difference. First operand has 3093 states, 2383 states have (on average 1.4582459085186739) internal successors, (3475), 2413 states have internal predecessors, (3475), 616 states have call successors, (616), 93 states have call predecessors, (616), 92 states have return successors, (605), 602 states have call predecessors, (605), 605 states have call successors, (605) Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-16 04:16:53,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:16:54,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:16:56,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:01,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:03,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:05,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:14,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-16 04:17:19,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:21,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:25,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:27,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:28,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:17:28,443 INFO L93 Difference]: Finished difference Result 6675 states and 10651 transitions. [2021-12-16 04:17:28,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 04:17:28,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 528 [2021-12-16 04:17:28,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:17:28,505 INFO L225 Difference]: With dead ends: 6675 [2021-12-16 04:17:28,506 INFO L226 Difference]: Without dead ends: 3564 [2021-12-16 04:17:28,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:17:28,542 INFO L933 BasicCegarLoop]: 4099 mSDtfsCounter, 3904 mSDsluCounter, 4150 mSDsCounter, 0 mSdLazyCounter, 9306 mSolverCounterSat, 2634 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4353 SdHoareTripleChecker+Valid, 8249 SdHoareTripleChecker+Invalid, 11945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2634 IncrementalHoareTripleChecker+Valid, 9306 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:17:28,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4353 Valid, 8249 Invalid, 11945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2634 Valid, 9306 Invalid, 5 Unknown, 0 Unchecked, 35.8s Time] [2021-12-16 04:17:28,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2021-12-16 04:17:28,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3070. [2021-12-16 04:17:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 2373 states have (on average 1.4517488411293722) internal successors, (3445), 2390 states have internal predecessors, (3445), 605 states have call successors, (605), 92 states have call predecessors, (605), 91 states have return successors, (604), 601 states have call predecessors, (604), 604 states have call successors, (604) [2021-12-16 04:17:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4654 transitions. [2021-12-16 04:17:28,736 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4654 transitions. Word has length 528 [2021-12-16 04:17:28,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:17:28,737 INFO L470 AbstractCegarLoop]: Abstraction has 3070 states and 4654 transitions. [2021-12-16 04:17:28,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 2 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-16 04:17:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4654 transitions. [2021-12-16 04:17:28,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-16 04:17:28,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:17:28,746 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:17:28,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:17:28,747 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:17:28,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:17:28,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1430358289, now seen corresponding path program 1 times [2021-12-16 04:17:28,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:17:28,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334725065] [2021-12-16 04:17:28,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:17:28,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:17:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:17:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:17:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:17:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:17:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:17:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:17:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:17:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:17:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:17:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:17:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:17:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:17:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-16 04:17:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-16 04:17:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 04:17:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 04:17:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 04:17:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 04:17:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-16 04:17:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:17:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:17:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-16 04:17:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-16 04:17:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-16 04:17:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-16 04:17:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:17:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-16 04:17:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-16 04:17:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-16 04:17:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-16 04:17:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-16 04:17:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-16 04:17:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-16 04:17:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-16 04:17:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:17:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-16 04:17:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-16 04:17:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-16 04:17:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:17:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-16 04:17:29,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:17:29,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334725065] [2021-12-16 04:17:29,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334725065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:17:29,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:17:29,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:17:29,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818173481] [2021-12-16 04:17:29,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:17:29,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:17:29,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:17:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:17:29,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:17:29,575 INFO L87 Difference]: Start difference. First operand 3070 states and 4654 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-16 04:17:31,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:32,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:17:34,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []