./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:39:03,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:39:03,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:39:03,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:39:03,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:39:03,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:39:03,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:39:03,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:39:03,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:39:03,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:39:03,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:39:03,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:39:03,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:39:03,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:39:03,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:39:03,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:39:03,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:39:03,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:39:03,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:39:03,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:39:03,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:39:03,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:39:03,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:39:03,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:39:03,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:39:03,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:39:03,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:39:03,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:39:03,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:39:03,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:39:03,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:39:03,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:39:03,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:39:03,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:39:03,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:39:03,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:39:03,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:39:03,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:39:03,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:39:03,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:39:03,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:39:03,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:39:03,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:39:03,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:39:03,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:39:03,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:39:03,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:39:03,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:39:03,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:39:03,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:39:03,889 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:39:03,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:39:03,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:39:03,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:39:03,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:39:03,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:39:03,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:39:03,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:39:03,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:39:03,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:39:03,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:39:03,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:39:03,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:39:03,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:39:03,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:39:03,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:39:03,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:39:03,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:39:03,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:39:03,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:39:03,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:39:03,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:39:03,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:39:03,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e [2021-12-21 16:39:04,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:39:04,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:39:04,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:39:04,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:39:04,184 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:39:04,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-21 16:39:04,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59048888a/8ab6633fe62f4d979f2861c033210e4e/FLAGfea9c6a5b [2021-12-21 16:39:05,084 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:39:05,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-21 16:39:05,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59048888a/8ab6633fe62f4d979f2861c033210e4e/FLAGfea9c6a5b [2021-12-21 16:39:05,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59048888a/8ab6633fe62f4d979f2861c033210e4e [2021-12-21 16:39:05,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:39:05,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:39:05,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:39:05,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:39:05,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:39:05,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:39:05" (1/1) ... [2021-12-21 16:39:05,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fe8330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:05, skipping insertion in model container [2021-12-21 16:39:05,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:39:05" (1/1) ... [2021-12-21 16:39:05,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:39:05,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:39:07,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2021-12-21 16:39:08,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:39:08,270 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:39:08,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2021-12-21 16:39:08,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:39:08,784 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:39:08,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08 WrapperNode [2021-12-21 16:39:08,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:39:08,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:39:08,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:39:08,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:39:08,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:08,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,132 INFO L137 Inliner]: procedures = 319, calls = 4201, calls flagged for inlining = 120, calls inlined = 112, statements flattened = 9565 [2021-12-21 16:39:09,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:39:09,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:39:09,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:39:09,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:39:09,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:39:09,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:39:09,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:39:09,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:39:09,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (1/1) ... [2021-12-21 16:39:09,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:39:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:39:09,772 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) [2021-12-21 16:39:09,797 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 [2021-12-21 16:39:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 16:39:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 16:39:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-21 16:39:09,819 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-21 16:39:09,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-21 16:39:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-21 16:39:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:39:09,820 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:39:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-21 16:39:09,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:39:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:39:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:39:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:39:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:39:09,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:39:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-21 16:39:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-21 16:39:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-21 16:39:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-21 16:39:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-21 16:39:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-21 16:39:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:39:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:39:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-21 16:39:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-21 16:39:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-21 16:39:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-21 16:39:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:39:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:39:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-21 16:39:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-21 16:39:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-21 16:39:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-21 16:39:09,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-21 16:39:09,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-21 16:39:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-21 16:39:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-21 16:39:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:39:09,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:39:09,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:39:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:39:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-21 16:39:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-21 16:39:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-21 16:39:09,826 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-21 16:39:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-21 16:39:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-21 16:39:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-21 16:39:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-21 16:39:09,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:39:09,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:39:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:39:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:39:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-21 16:39:09,828 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-21 16:39:09,828 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-21 16:39:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-21 16:39:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:39:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:39:09,830 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-21 16:39:09,830 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-21 16:39:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-12-21 16:39:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-12-21 16:39:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-21 16:39:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-21 16:39:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-21 16:39:09,831 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-21 16:39:09,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:39:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-21 16:39:09,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-21 16:39:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:39:09,832 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-21 16:39:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-21 16:39:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-21 16:39:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-21 16:39:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-21 16:39:09,833 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-21 16:39:09,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:39:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2021-12-21 16:39:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2021-12-21 16:39:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-21 16:39:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-21 16:39:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-21 16:39:09,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-21 16:39:09,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:39:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:39:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-21 16:39:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-21 16:39:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-21 16:39:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-21 16:39:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-21 16:39:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-21 16:39:09,836 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-21 16:39:09,836 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-21 16:39:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:39:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-21 16:39:09,837 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-21 16:39:09,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:39:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-21 16:39:09,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-21 16:39:09,838 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:39:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:39:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:39:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:39:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-21 16:39:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-21 16:39:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 16:39:09,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 16:39:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-21 16:39:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-21 16:39:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-21 16:39:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-21 16:39:09,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:39:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-21 16:39:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-21 16:39:09,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-21 16:39:09,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-21 16:39:09,842 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-21 16:39:09,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-21 16:39:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:39:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:39:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-21 16:39:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-21 16:39:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-21 16:39:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-21 16:39:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:39:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:39:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-21 16:39:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-21 16:39:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-21 16:39:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-21 16:39:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-21 16:39:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-21 16:39:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-21 16:39:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-21 16:39:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:39:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:39:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-21 16:39:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-21 16:39:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 16:39:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 16:39:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:39:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:39:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:39:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-21 16:39:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-21 16:39:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-21 16:39:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-21 16:39:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-21 16:39:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-21 16:39:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:39:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:39:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:39:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:39:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-21 16:39:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-21 16:39:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:39:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-21 16:39:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-21 16:39:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:39:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:39:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-21 16:39:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-21 16:39:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:39:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:39:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:39:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-21 16:39:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-21 16:39:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 16:39:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 16:39:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-21 16:39:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-21 16:39:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-21 16:39:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-21 16:39:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-21 16:39:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-21 16:39:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:39:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:39:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-21 16:39:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-21 16:39:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-21 16:39:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-21 16:39:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-21 16:39:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-21 16:39:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-21 16:39:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-21 16:39:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:39:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:39:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-21 16:39:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-21 16:39:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-21 16:39:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-21 16:39:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-21 16:39:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-21 16:39:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-21 16:39:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-21 16:39:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-21 16:39:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-21 16:39:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:39:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:39:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-21 16:39:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-21 16:39:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-21 16:39:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-21 16:39:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-21 16:39:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-21 16:39:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:39:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-21 16:39:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-21 16:39:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-21 16:39:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-21 16:39:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:39:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:39:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:39:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:39:10,939 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:39:10,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:39:11,076 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:39:21,930 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:39:21,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:39:21,975 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 16:39:21,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:39:21 BoogieIcfgContainer [2021-12-21 16:39:21,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:39:21,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:39:21,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:39:21,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:39:21,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:39:05" (1/3) ... [2021-12-21 16:39:21,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36277268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:39:21, skipping insertion in model container [2021-12-21 16:39:21,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:39:08" (2/3) ... [2021-12-21 16:39:21,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36277268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:39:21, skipping insertion in model container [2021-12-21 16:39:21,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:39:21" (3/3) ... [2021-12-21 16:39:21,991 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-21 16:39:21,995 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:39:21,995 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:39:22,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:39:22,051 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 [2021-12-21 16:39:22,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:39:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 3155 states, 2418 states have (on average 1.4553349875930521) internal successors, (3519), 2456 states have internal predecessors, (3519), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) [2021-12-21 16:39:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-21 16:39:22,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:39:22,144 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:39:22,145 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:39:22,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:39:22,149 INFO L85 PathProgramCache]: Analyzing trace with hash -371824301, now seen corresponding path program 1 times [2021-12-21 16:39:22,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:39:22,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406414640] [2021-12-21 16:39:22,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:39:22,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:39:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:39:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:39:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:39:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:39:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:39:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:39:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:39:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:39:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:39:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:39:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:39:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:39:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 16:39:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-21 16:39:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 16:39:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 16:39:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 16:39:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-21 16:39:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:39:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:39:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:39:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-21 16:39:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-21 16:39:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-21 16:39:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-21 16:39:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-21 16:39:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 16:39:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-21 16:39:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-21 16:39:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-21 16:39:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-21 16:39:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-21 16:39:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-21 16:39:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-21 16:39:23,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:39:23,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406414640] [2021-12-21 16:39:23,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406414640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:39:23,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:39:23,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:39:23,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115965795] [2021-12-21 16:39:23,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:39:23,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:39:23,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:39:23,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:39:23,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:39:23,825 INFO L87 Difference]: Start difference. First operand has 3155 states, 2418 states have (on average 1.4553349875930521) internal successors, (3519), 2456 states have internal predecessors, (3519), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-21 16:39:30,684 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 [] [2021-12-21 16:39:32,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:39:38,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-21 16:39:46,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:39:48,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:39:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:39:48,426 INFO L93 Difference]: Finished difference Result 6799 states and 10840 transitions. [2021-12-21 16:39:48,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:39:48,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 510 [2021-12-21 16:39:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:39:48,482 INFO L225 Difference]: With dead ends: 6799 [2021-12-21 16:39:48,482 INFO L226 Difference]: Without dead ends: 3626 [2021-12-21 16:39:48,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:39:48,526 INFO L933 BasicCegarLoop]: 4512 mSDtfsCounter, 1412 mSDsluCounter, 6346 mSDsCounter, 0 mSdLazyCounter, 5360 mSolverCounterSat, 1644 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 10858 SdHoareTripleChecker+Invalid, 7008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 5360 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:39:48,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1441 Valid, 10858 Invalid, 7008 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1644 Valid, 5360 Invalid, 4 Unknown, 0 Unchecked, 24.1s Time] [2021-12-21 16:39:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2021-12-21 16:39:48,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3132. [2021-12-21 16:39:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 2408 states have (on average 1.448920265780731) internal successors, (3489), 2433 states have internal predecessors, (3489), 627 states have call successors, (627), 97 states have call predecessors, (627), 96 states have return successors, (618), 615 states have call predecessors, (618), 618 states have call successors, (618) [2021-12-21 16:39:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4734 transitions. [2021-12-21 16:39:48,830 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4734 transitions. Word has length 510 [2021-12-21 16:39:48,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:39:48,832 INFO L470 AbstractCegarLoop]: Abstraction has 3132 states and 4734 transitions. [2021-12-21 16:39:48,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-21 16:39:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4734 transitions. [2021-12-21 16:39:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-21 16:39:48,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:39:48,850 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:39:48,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:39:48,851 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:39:48,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:39:48,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1693972741, now seen corresponding path program 1 times [2021-12-21 16:39:48,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:39:48,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179414257] [2021-12-21 16:39:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:39:48,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:39:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:39:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:39:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:39:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:39:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:39:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:39:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:39:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:39:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:39:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:39:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:39:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:39:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 16:39:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-21 16:39:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 16:39:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 16:39:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 16:39:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-21 16:39:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:39:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:39:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:39:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-21 16:39:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-21 16:39:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-21 16:39:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-21 16:39:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:39:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-21 16:39:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 16:39:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-21 16:39:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-21 16:39:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-21 16:39:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-21 16:39:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-21 16:39:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-21 16:39:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:39:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:39:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-21 16:39:49,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:39:49,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179414257] [2021-12-21 16:39:49,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179414257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:39:49,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:39:49,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:39:49,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937602233] [2021-12-21 16:39:49,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:39:49,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:39:49,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:39:49,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:39:49,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:39:49,968 INFO L87 Difference]: Start difference. First operand 3132 states and 4734 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2021-12-21 16:39:53,271 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 []