./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-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-43_2a-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 b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:16:51,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:16:51,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:16:51,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:16:51,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:16:51,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:16:51,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:16:51,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:16:51,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:16:51,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:16:51,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:16:51,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:16:51,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:16:51,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:16:51,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:16:51,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:16:51,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:16:51,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:16:51,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:16:51,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:16:51,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:16:51,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:16:51,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:16:51,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:16:51,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:16:51,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:16:51,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:16:51,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:16:51,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:16:51,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:16:51,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:16:51,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:16:51,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:16:51,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:16:51,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:16:51,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:16:51,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:16:51,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:16:51,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:16:51,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:16:51,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:16:51,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:16:51,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:16:51,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:16:51,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:16:51,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:16:51,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:16:51,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:16:51,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:16:51,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:16:51,206 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:16:51,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:16:51,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:16:51,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:16:51,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:16:51,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:16:51,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:16:51,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:16:51,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:16:51,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:16:51,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:16:51,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:16:51,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:16:51,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:16:51,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:16:51,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:16:51,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:16:51,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:16:51,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:16:51,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:16:51,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:16:51,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:16:51,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:16:51,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d [2021-12-22 15:16:51,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:16:51,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:16:51,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:16:51,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:16:51,477 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:16:51,478 INFO L432 ainManager$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-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-22 15:16:51,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bde202bf/140238ca00664f12b88cc14b83113aa3/FLAG14852be90 [2021-12-22 15:16:52,221 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:16:52,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-22 15:16:52,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bde202bf/140238ca00664f12b88cc14b83113aa3/FLAG14852be90 [2021-12-22 15:16:52,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bde202bf/140238ca00664f12b88cc14b83113aa3 [2021-12-22 15:16:52,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:16:52,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:16:52,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:16:52,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:16:52,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:16:52,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:16:52" (1/1) ... [2021-12-22 15:16:52,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4fc740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:52, skipping insertion in model container [2021-12-22 15:16:52,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:16:52" (1/1) ... [2021-12-22 15:16:52,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:16:52,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:16:54,260 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-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2021-12-22 15:16:54,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:16:54,360 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:16:54,786 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-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2021-12-22 15:16:54,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:16:54,896 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:16:54,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54 WrapperNode [2021-12-22 15:16:54,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:16:54,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:16:54,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:16:54,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:16:54,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,422 INFO L137 Inliner]: procedures = 248, calls = 4079, calls flagged for inlining = 105, calls inlined = 100, statements flattened = 9797 [2021-12-22 15:16:55,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:16:55,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:16:55,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:16:55,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:16:55,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:16:55,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:16:55,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:16:55,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:16:55,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (1/1) ... [2021-12-22 15:16:55,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:16:55,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:16:55,900 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) [2021-12-22 15:16:55,925 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 [2021-12-22 15:16:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 15:16:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 15:16:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-22 15:16:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-22 15:16:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:16:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:16:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:16:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:16:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-22 15:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:16:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:16:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-22 15:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-22 15:16:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-22 15:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-22 15:16:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-22 15:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-22 15:16:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 15:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 15:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-22 15:16:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-22 15:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-22 15:16:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-22 15:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:16:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-22 15:16:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-22 15:16:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-22 15:16:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-22 15:16:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-22 15:16:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-22 15:16:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:16:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:16:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:16:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:16:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-22 15:16:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-22 15:16:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-22 15:16:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-22 15:16:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-22 15:16:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-22 15:16:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-22 15:16:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-22 15:16:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:16:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:16:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:16:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:16:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-22 15:16:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-22 15:16:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-22 15:16:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-22 15:16:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-22 15:16:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-22 15:16:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-22 15:16:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-22 15:16:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-22 15:16:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-22 15:16:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:16:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 15:16:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-22 15:16:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-22 15:16:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-22 15:16:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-22 15:16:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-22 15:16:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-22 15:16:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:16:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_28 [2021-12-22 15:16:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_28 [2021-12-22 15:16:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-22 15:16:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-22 15:16:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-22 15:16:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-22 15:16:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:16:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:16:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-22 15:16:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-22 15:16:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-22 15:16:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-22 15:16:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-22 15:16:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-22 15:16:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:16:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-22 15:16:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-22 15:16:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:16:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-22 15:16:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-22 15:16:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:16:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:16:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-22 15:16:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-22 15:16:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:16:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:16:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-22 15:16:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-22 15:16:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:16:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:16:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-22 15:16:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-22 15:16:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:16:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-22 15:16:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-22 15:16:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 15:16:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 15:16:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-22 15:16:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-22 15:16:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:16:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:16:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-22 15:16:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-22 15:16:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-22 15:16:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-22 15:16:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-22 15:16:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-22 15:16:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:16:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:16:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-22 15:16:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-22 15:16:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-22 15:16:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-22 15:16:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-22 15:16:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-22 15:16:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:16:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:16:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-22 15:16:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-22 15:16:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:16:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:16:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-22 15:16:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-22 15:16:55,972 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 15:16:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 15:16:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:16:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 15:16:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 15:16:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-22 15:16:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-22 15:16:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-22 15:16:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-22 15:16:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-22 15:16:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-22 15:16:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:16:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:16:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:16:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:16:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-22 15:16:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-22 15:16:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:16:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:16:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:16:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-22 15:16:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-22 15:16:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 15:16:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 15:16:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:16:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-22 15:16:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-22 15:16:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-22 15:16:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-22 15:16:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-22 15:16:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-22 15:16:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-22 15:16:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-22 15:16:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:16:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:16:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-22 15:16:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-22 15:16:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-22 15:16:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-22 15:16:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-22 15:16:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-22 15:16:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-22 15:16:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-22 15:16:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 15:16:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 15:16:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-22 15:16:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-22 15:16:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-22 15:16:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-22 15:16:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-22 15:16:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-22 15:16:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-22 15:16:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-22 15:16:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-22 15:16:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-22 15:16:55,979 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:16:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:16:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-22 15:16:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-22 15:16:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-22 15:16:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-22 15:16:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-22 15:16:55,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-22 15:16:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:16:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-22 15:16:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-22 15:16:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-22 15:16:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-22 15:16:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:16:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:16:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:16:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:16:56,984 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:16:56,987 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:16:57,123 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:17:08,628 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:17:08,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:17:08,660 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:17:08,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:17:08 BoogieIcfgContainer [2021-12-22 15:17:08,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:17:08,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:17:08,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:17:08,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:17:08,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:16:52" (1/3) ... [2021-12-22 15:17:08,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4756df8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:17:08, skipping insertion in model container [2021-12-22 15:17:08,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:16:54" (2/3) ... [2021-12-22 15:17:08,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4756df8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:17:08, skipping insertion in model container [2021-12-22 15:17:08,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:17:08" (3/3) ... [2021-12-22 15:17:08,676 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-22 15:17:08,681 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:17:08,681 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:17:08,740 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:17:08,748 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 [2021-12-22 15:17:08,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:17:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 3096 states, 2382 states have (on average 1.4588581024349285) internal successors, (3475), 2413 states have internal predecessors, (3475), 620 states have call successors, (620), 93 states have call predecessors, (620), 92 states have return successors, (609), 606 states have call predecessors, (609), 609 states have call successors, (609) [2021-12-22 15:17:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-22 15:17:08,913 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:17:08,915 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] [2021-12-22 15:17:08,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:17:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:17:08,922 INFO L85 PathProgramCache]: Analyzing trace with hash 755868707, now seen corresponding path program 1 times [2021-12-22 15:17:08,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:17:08,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029112437] [2021-12-22 15:17:08,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:17:08,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:17:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:17:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:17:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:17:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:17:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:17:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:17:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:17:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:17:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:17:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:17:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:17:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:17:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:17:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:17:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:17:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:17:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:17:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-22 15:17:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-22 15:17:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:17:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:17:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-22 15:17:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-22 15:17:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-22 15:17:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-22 15:17:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-22 15:17:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-22 15:17:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-22 15:17:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-22 15:17:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-22 15:17:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-22 15:17:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-22 15:17:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-22 15:17:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-22 15:17:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-22 15:17:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-22 15:17:10,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:17:10,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029112437] [2021-12-22 15:17:10,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029112437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:17:10,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:17:10,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:17:10,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548559233] [2021-12-22 15:17:10,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:17:10,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:17:10,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:17:10,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:17:10,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:17:10,575 INFO L87 Difference]: Start difference. First operand has 3096 states, 2382 states have (on average 1.4588581024349285) internal successors, (3475), 2413 states have internal predecessors, (3475), 620 states have call successors, (620), 93 states have call predecessors, (620), 92 states have return successors, (609), 606 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-22 15:17:16,095 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 [] [2021-12-22 15:17:22,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:17:24,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:17:25,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:17:25,208 INFO L93 Difference]: Finished difference Result 6777 states and 10867 transitions. [2021-12-22 15:17:25,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:17:25,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 524 [2021-12-22 15:17:25,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:17:25,251 INFO L225 Difference]: With dead ends: 6777 [2021-12-22 15:17:25,251 INFO L226 Difference]: Without dead ends: 3638 [2021-12-22 15:17:25,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:17:25,286 INFO L933 BasicCegarLoop]: 4402 mSDtfsCounter, 2500 mSDsluCounter, 5233 mSDsCounter, 0 mSdLazyCounter, 2987 mSolverCounterSat, 2586 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 9635 SdHoareTripleChecker+Invalid, 5575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2586 IncrementalHoareTripleChecker+Valid, 2987 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:17:25,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2581 Valid, 9635 Invalid, 5575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2586 Valid, 2987 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2021-12-22 15:17:25,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2021-12-22 15:17:25,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 3048. [2021-12-22 15:17:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 2356 states have (on average 1.4533106960950763) internal successors, (3424), 2372 states have internal predecessors, (3424), 600 states have call successors, (600), 92 states have call predecessors, (600), 91 states have return successors, (598), 595 states have call predecessors, (598), 598 states have call successors, (598) [2021-12-22 15:17:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 4622 transitions. [2021-12-22 15:17:25,537 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 4622 transitions. Word has length 524 [2021-12-22 15:17:25,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:17:25,539 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 4622 transitions. [2021-12-22 15:17:25,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-22 15:17:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 4622 transitions. [2021-12-22 15:17:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-22 15:17:25,554 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:17:25,554 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] [2021-12-22 15:17:25,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:17:25,556 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:17:25,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:17:25,556 INFO L85 PathProgramCache]: Analyzing trace with hash 626578517, now seen corresponding path program 1 times [2021-12-22 15:17:25,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:17:25,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043169834] [2021-12-22 15:17:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:17:25,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:17:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:17:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:17:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:17:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:17:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:17:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:17:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:17:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:17:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:17:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:17:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:17:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:17:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:17:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 15:17:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:17:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:17:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 15:17:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-22 15:17:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-22 15:17:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:17:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-22 15:17:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-22 15:17:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-22 15:17:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-22 15:17:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-22 15:17:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:17:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-22 15:17:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-22 15:17:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-22 15:17:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-22 15:17:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-22 15:17:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-22 15:17:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-22 15:17:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-22 15:17:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:17:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-22 15:17:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-22 15:17:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:17:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-22 15:17:26,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:17:26,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043169834] [2021-12-22 15:17:26,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043169834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:17:26,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:17:26,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:17:26,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066386492] [2021-12-22 15:17:26,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:17:26,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:17:26,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:17:26,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:17:26,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:17:26,638 INFO L87 Difference]: Start difference. First operand 3048 states and 4622 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-22 15:17:34,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:17:36,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:17:44,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 15:17:46,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []