./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-tmp.no-commuhash-c3fed41 [2021-12-16 04:36:59,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:36:59,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:36:59,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:36:59,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:36:59,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:36:59,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:36:59,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:36:59,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:36:59,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:36:59,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:36:59,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:36:59,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:36:59,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:36:59,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:36:59,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:36:59,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:36:59,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:36:59,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:36:59,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:36:59,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:36:59,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:36:59,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:36:59,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:36:59,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:36:59,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:36:59,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:36:59,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:36:59,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:36:59,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:36:59,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:36:59,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:36:59,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:36:59,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:36:59,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:36:59,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:36:59,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:36:59,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:36:59,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:36:59,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:36:59,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:36:59,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:36:59,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:36:59,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:36:59,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:36:59,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:36:59,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:36:59,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:36:59,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:36:59,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:36:59,331 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:36:59,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:36:59,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:36:59,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:36:59,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:36:59,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:36:59,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:36:59,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:36:59,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:36:59,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:36:59,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:36:59,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:36:59,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:36:59,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:36:59,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:36:59,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:36:59,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:36:59,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:36:59,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:36:59,336 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:36:59,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:36:59,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:36:59,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:36:59,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d [2021-12-16 04:36:59,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:36:59,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:36:59,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:36:59,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:36:59,551 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:36:59,552 INFO L432 ainManager$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 [2021-12-16 04:36:59,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f4bad62/92c7c394e498492885b5f86c0346af8a/FLAGe31d22a45 [2021-12-16 04:37:00,315 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:37:00,315 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 [2021-12-16 04:37:00,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f4bad62/92c7c394e498492885b5f86c0346af8a/FLAGe31d22a45 [2021-12-16 04:37:00,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62f4bad62/92c7c394e498492885b5f86c0346af8a [2021-12-16 04:37:00,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:37:00,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:37:00,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:37:00,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:37:00,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:37:00,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:37:00" (1/1) ... [2021-12-16 04:37:00,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b50fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:00, skipping insertion in model container [2021-12-16 04:37:00,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:37:00" (1/1) ... [2021-12-16 04:37:00,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:37:00,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:37:02,225 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] [2021-12-16 04:37:02,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:37:02,301 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:37:02,671 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] [2021-12-16 04:37:02,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:37:02,733 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:37:02,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02 WrapperNode [2021-12-16 04:37:02,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:37:02,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:37:02,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:37:02,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:37:02,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:02,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,070 INFO L137 Inliner]: procedures = 248, calls = 4079, calls flagged for inlining = 105, calls inlined = 100, statements flattened = 9797 [2021-12-16 04:37:03,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:37:03,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:37:03,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:37:03,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:37:03,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:37:03,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:37:03,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:37:03,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:37:03,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (1/1) ... [2021-12-16 04:37:03,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:37:03,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:37:03,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:37:03,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:37:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 04:37:03,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 04:37:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-16 04:37:03,542 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-16 04:37:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:37:03,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:37:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:37:03,543 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:37:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-16 04:37:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:37:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:37:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:37:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:37:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:37:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:37:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-16 04:37:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-16 04:37:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-16 04:37:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-16 04:37:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-16 04:37:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-16 04:37:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 04:37:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 04:37:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-16 04:37:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-16 04:37:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-16 04:37:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-16 04:37:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:37:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:37:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-16 04:37:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-16 04:37:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-16 04:37:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-16 04:37:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-16 04:37:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-16 04:37:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:37:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:37:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:37:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:37:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-16 04:37:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-16 04:37:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-16 04:37:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-16 04:37:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-16 04:37:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-16 04:37:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-16 04:37:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-16 04:37:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:37:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:37:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:37:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:37:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-16 04:37:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-16 04:37:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-16 04:37:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-16 04:37:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-16 04:37:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-16 04:37:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-16 04:37:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-16 04:37:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-16 04:37:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-16 04:37:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:37:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 04:37:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-16 04:37:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-16 04:37:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-16 04:37:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-16 04:37:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-16 04:37:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-16 04:37:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:37:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_28 [2021-12-16 04:37:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_28 [2021-12-16 04:37:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-16 04:37:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-16 04:37:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-16 04:37:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-16 04:37:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:37:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:37:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-16 04:37:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-16 04:37:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-16 04:37:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-16 04:37:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-16 04:37:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-16 04:37:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:37:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-16 04:37:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-16 04:37:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:37:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-16 04:37:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-16 04:37:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:37:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:37:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-16 04:37:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-16 04:37:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 04:37:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 04:37:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-16 04:37:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-16 04:37:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:37:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:37:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-16 04:37:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-16 04:37:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:37:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-16 04:37:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-16 04:37:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-16 04:37:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-16 04:37:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-16 04:37:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-16 04:37:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:37:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:37:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-16 04:37:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-16 04:37:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-16 04:37:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-16 04:37:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-16 04:37:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-16 04:37:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:37:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:37:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-16 04:37:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-16 04:37:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-16 04:37:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-16 04:37:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-16 04:37:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-16 04:37:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:37:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:37:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-16 04:37:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-16 04:37:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:37:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:37:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-16 04:37:03,570 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-16 04:37:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-16 04:37:03,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-16 04:37:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:37:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:37:03,570 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:37:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-16 04:37:03,570 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-16 04:37:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-16 04:37:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-16 04:37:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-16 04:37:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-16 04:37:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:37:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:37:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:37:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:37:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-16 04:37:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-16 04:37:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:37:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:37:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:37:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-16 04:37:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-16 04:37:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:37:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:37:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:37:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-16 04:37:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-16 04:37:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-16 04:37:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-16 04:37:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-16 04:37:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-16 04:37:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-16 04:37:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-16 04:37:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:37:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:37:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-16 04:37:03,574 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-16 04:37:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-16 04:37:03,574 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-16 04:37:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-16 04:37:03,574 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-16 04:37:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-16 04:37:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-16 04:37:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:37:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:37:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-16 04:37:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-16 04:37:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-16 04:37:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-16 04:37:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-16 04:37:03,576 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-16 04:37:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-16 04:37:03,576 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-16 04:37:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-16 04:37:03,576 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-16 04:37:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:37:03,576 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:37:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-16 04:37:03,576 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-16 04:37:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-16 04:37:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-16 04:37:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-16 04:37:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-16 04:37:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:37:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-16 04:37:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-16 04:37:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-16 04:37:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-16 04:37:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:37:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:37:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:37:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:37:04,526 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:37:04,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:37:04,607 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:37:21,481 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:37:21,514 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:37:21,514 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:37:21,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:37:21 BoogieIcfgContainer [2021-12-16 04:37:21,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:37:21,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:37:21,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:37:21,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:37:21,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:37:00" (1/3) ... [2021-12-16 04:37:21,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75117131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:37:21, skipping insertion in model container [2021-12-16 04:37:21,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:37:02" (2/3) ... [2021-12-16 04:37:21,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75117131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:37:21, skipping insertion in model container [2021-12-16 04:37:21,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:37:21" (3/3) ... [2021-12-16 04:37:21,528 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-16 04:37:21,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:37:21,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:37:21,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:37:21,593 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:37:21,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:37:21,645 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) [2021-12-16 04:37:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-16 04:37:21,668 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:37:21,669 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] [2021-12-16 04:37:21,670 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:37:21,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:37:21,674 INFO L85 PathProgramCache]: Analyzing trace with hash 755868707, now seen corresponding path program 1 times [2021-12-16 04:37:21,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:37:21,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101567387] [2021-12-16 04:37:21,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:37:21,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:37:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:37:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:37:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:37:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:37:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:37:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:37:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:37:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:37:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:37:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:37:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:37:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:37:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-16 04:37:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-16 04:37:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 04:37:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 04:37:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 04:37:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 04:37:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-16 04:37:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:37:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:37:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-16 04:37:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-16 04:37:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-16 04:37:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-16 04:37:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-16 04:37:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-16 04:37:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-16 04:37:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-16 04:37:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-16 04:37:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-16 04:37:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-16 04:37:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-16 04:37:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-16 04:37:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-16 04:37:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-16 04:37:22,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:37:22,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101567387] [2021-12-16 04:37:22,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101567387] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:37:22,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:37:22,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:37:22,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609708189] [2021-12-16 04:37:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:37:22,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:37:22,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:37:22,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:37:22,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:37:22,934 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) [2021-12-16 04:37:28,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:37:36,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:37:37,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:37:37,126 INFO L93 Difference]: Finished difference Result 6777 states and 10867 transitions. [2021-12-16 04:37:37,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:37:37,128 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 [2021-12-16 04:37:37,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:37:37,176 INFO L225 Difference]: With dead ends: 6777 [2021-12-16 04:37:37,176 INFO L226 Difference]: Without dead ends: 3638 [2021-12-16 04:37:37,202 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 [2021-12-16 04:37:37,204 INFO L933 BasicCegarLoop]: 4406 mSDtfsCounter, 2494 mSDsluCounter, 5234 mSDsCounter, 0 mSdLazyCounter, 2989 mSolverCounterSat, 2581 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 5572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2581 IncrementalHoareTripleChecker+Valid, 2989 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:37:37,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2575 Valid, 9640 Invalid, 5572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2581 Valid, 2989 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2021-12-16 04:37:37,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2021-12-16 04:37:37,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 3048. [2021-12-16 04:37:37,379 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) [2021-12-16 04:37:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 4622 transitions. [2021-12-16 04:37:37,405 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 4622 transitions. Word has length 524 [2021-12-16 04:37:37,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:37:37,408 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 4622 transitions. [2021-12-16 04:37:37,408 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) [2021-12-16 04:37:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 4622 transitions. [2021-12-16 04:37:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-16 04:37:37,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:37:37,418 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] [2021-12-16 04:37:37,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:37:37,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:37:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:37:37,420 INFO L85 PathProgramCache]: Analyzing trace with hash 626578517, now seen corresponding path program 1 times [2021-12-16 04:37:37,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:37:37,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29230760] [2021-12-16 04:37:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:37:37,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:37:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:37:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:37:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:37:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:37:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:37:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:37:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:37:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:37:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:37:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:37:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:37:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:37:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-16 04:37:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-16 04:37:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 04:37:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 04:37:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 04:37:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 04:37:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-16 04:37:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:37:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-16 04:37:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-16 04:37:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-16 04:37:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-16 04:37:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-16 04:37:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:37:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-16 04:37:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-16 04:37:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-16 04:37:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-16 04:37:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-16 04:37:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-16 04:37:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-16 04:37:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-16 04:37:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:37:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-16 04:37:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-16 04:37:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:37:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-16 04:37:38,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:37:38,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29230760] [2021-12-16 04:37:38,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29230760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:37:38,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:37:38,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 04:37:38,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144952645] [2021-12-16 04:37:38,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:37:38,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 04:37:38,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:37:38,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 04:37:38,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:37:38,361 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) [2021-12-16 04:37:46,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:37:48,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:38:03,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:38:05,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []