./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:11:37,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:11:37,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:11:37,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:11:37,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:11:37,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:11:37,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:11:37,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:11:37,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:11:37,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:11:37,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:11:37,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:11:37,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:11:37,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:11:37,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:11:37,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:11:37,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:11:37,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:11:37,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:11:37,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:11:37,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:11:37,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:11:37,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:11:37,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:11:37,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:11:37,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:11:37,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:11:37,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:11:37,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:11:37,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:11:37,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:11:37,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:11:37,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:11:37,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:11:37,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:11:37,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:11:37,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:11:37,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:11:37,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:11:37,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:11:37,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:11:37,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:11:37,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:11:37,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:11:37,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:11:37,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:11:37,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:11:37,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:11:37,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:11:37,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:11:37,176 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:11:37,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:11:37,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:11:37,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:11:37,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:11:37,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:11:37,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:11:37,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:11:37,177 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:11:37,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:11:37,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:11:37,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:11:37,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:11:37,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:11:37,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:11:37,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:11:37,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:11:37,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:11:37,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:11:37,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:11:37,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:11:37,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:11:37,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:11:37,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e [2021-12-14 18:11:37,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:11:37,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:11:37,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:11:37,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:11:37,431 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:11:37,432 INFO L432 ainManager$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 [2021-12-14 18:11:37,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def520e30/913930d0050e46dd8e40942c0ca2c013/FLAGd30d2d829 [2021-12-14 18:11:38,150 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:11:38,150 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 [2021-12-14 18:11:38,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def520e30/913930d0050e46dd8e40942c0ca2c013/FLAGd30d2d829 [2021-12-14 18:11:38,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/def520e30/913930d0050e46dd8e40942c0ca2c013 [2021-12-14 18:11:38,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:11:38,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:11:38,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:11:38,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:11:38,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:11:38,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:11:38" (1/1) ... [2021-12-14 18:11:38,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651e5e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:38, skipping insertion in model container [2021-12-14 18:11:38,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:11:38" (1/1) ... [2021-12-14 18:11:38,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:11:38,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:11:40,395 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] [2021-12-14 18:11:40,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:11:40,577 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:11:40,933 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] [2021-12-14 18:11:40,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:11:41,023 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:11:41,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41 WrapperNode [2021-12-14 18:11:41,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:11:41,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:11:41,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:11:41,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:11:41,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,388 INFO L137 Inliner]: procedures = 319, calls = 4201, calls flagged for inlining = 120, calls inlined = 112, statements flattened = 9565 [2021-12-14 18:11:41,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:11:41,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:11:41,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:11:41,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:11:41,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:11:41,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:11:41,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:11:41,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:11:41,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (1/1) ... [2021-12-14 18:11:41,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:11:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:11:41,765 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) [2021-12-14 18:11:41,783 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 [2021-12-14 18:11:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:11:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:11:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-14 18:11:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-14 18:11:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 18:11:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 18:11:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:11:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:11:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 18:11:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:11:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:11:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:11:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:11:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:11:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:11:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-14 18:11:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-14 18:11:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-14 18:11:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-14 18:11:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-14 18:11:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-14 18:11:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:11:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:11:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-14 18:11:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-14 18:11:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-14 18:11:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-14 18:11:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:11:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:11:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-14 18:11:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-14 18:11:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-14 18:11:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-14 18:11:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-14 18:11:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-14 18:11:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-14 18:11:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-14 18:11:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:11:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:11:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:11:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:11:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-14 18:11:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-14 18:11:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-14 18:11:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-14 18:11:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-14 18:11:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-14 18:11:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-14 18:11:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-14 18:11:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:11:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:11:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:11:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:11:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-14 18:11:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-14 18:11:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-14 18:11:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-14 18:11:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 18:11:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 18:11:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-14 18:11:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-14 18:11:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-12-14 18:11:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-12-14 18:11:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-14 18:11:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-14 18:11:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-14 18:11:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-14 18:11:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:11:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-14 18:11:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-14 18:11:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:11:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-14 18:11:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-14 18:11:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-14 18:11:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-14 18:11:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-14 18:11:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-14 18:11:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:11:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2021-12-14 18:11:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2021-12-14 18:11:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-14 18:11:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-14 18:11:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-14 18:11:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-14 18:11:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:11:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:11:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-14 18:11:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-14 18:11:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-14 18:11:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-14 18:11:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-14 18:11:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-14 18:11:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-14 18:11:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-14 18:11:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:11:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-14 18:11:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-14 18:11:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:11:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-14 18:11:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-14 18:11:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:11:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:11:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:11:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:11:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-14 18:11:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-14 18:11:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:11:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:11:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-14 18:11:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-14 18:11:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-14 18:11:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-14 18:11:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:11:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-14 18:11:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-14 18:11:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 18:11:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 18:11:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-14 18:11:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-14 18:11:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:11:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:11:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-14 18:11:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-14 18:11:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-14 18:11:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-14 18:11:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:11:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:11:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-14 18:11:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-14 18:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-14 18:11:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-14 18:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-14 18:11:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-14 18:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-14 18:11:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-14 18:11:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:11:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:11:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-14 18:11:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-14 18:11:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:11:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:11:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:11:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:11:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:11:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-14 18:11:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-14 18:11:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-14 18:11:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-14 18:11:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-14 18:11:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-14 18:11:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:11:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:11:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:11:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:11:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-14 18:11:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-14 18:11:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:11:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-14 18:11:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-14 18:11:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:11:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:11:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-14 18:11:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-14 18:11:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 18:11:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 18:11:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:11:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-14 18:11:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-14 18:11:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:11:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:11:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-14 18:11:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-14 18:11:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-14 18:11:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-14 18:11:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-14 18:11:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-14 18:11:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:11:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:11:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-14 18:11:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-14 18:11:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-14 18:11:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-14 18:11:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-14 18:11:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-14 18:11:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-14 18:11:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-14 18:11:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:11:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:11:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-14 18:11:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-14 18:11:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-14 18:11:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-14 18:11:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-14 18:11:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-14 18:11:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-14 18:11:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-14 18:11:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-14 18:11:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-14 18:11:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:11:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:11:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-14 18:11:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-14 18:11:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-14 18:11:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-14 18:11:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-14 18:11:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-14 18:11:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:11:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-14 18:11:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-14 18:11:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-14 18:11:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-14 18:11:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:11:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:11:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:11:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:11:42,705 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:11:42,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:11:42,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:11:53,716 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:11:53,747 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:11:53,747 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:11:53,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:11:53 BoogieIcfgContainer [2021-12-14 18:11:53,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:11:53,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:11:53,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:11:53,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:11:53,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:11:38" (1/3) ... [2021-12-14 18:11:53,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe27396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:11:53, skipping insertion in model container [2021-12-14 18:11:53,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:11:41" (2/3) ... [2021-12-14 18:11:53,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe27396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:11:53, skipping insertion in model container [2021-12-14 18:11:53,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:11:53" (3/3) ... [2021-12-14 18:11:53,760 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-14 18:11:53,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:11:53,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:11:53,821 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:11:53,825 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 [2021-12-14 18:11:53,826 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:11:53,894 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) [2021-12-14 18:11:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-14 18:11:53,912 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:11:53,914 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] [2021-12-14 18:11:53,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:11:53,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:11:53,919 INFO L85 PathProgramCache]: Analyzing trace with hash -371824301, now seen corresponding path program 1 times [2021-12-14 18:11:53,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:11:53,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304294584] [2021-12-14 18:11:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:11:53,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:11:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:11:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:11:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:11:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:11:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:11:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:11:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:11:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:11:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:11:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:11:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:11:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:11:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:11:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:11:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:11:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:11:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:11:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:11:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:11:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:11:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:11:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:11:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:11:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-14 18:11:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-14 18:11:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:11:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-14 18:11:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-14 18:11:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-14 18:11:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-14 18:11:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-14 18:11:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-14 18:11:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-14 18:11:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-14 18:11:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:11:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:11:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-14 18:11:55,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:11:55,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304294584] [2021-12-14 18:11:55,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304294584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:11:55,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:11:55,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:11:55,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658219486] [2021-12-14 18:11:55,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:11:55,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:11:55,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:11:55,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:11:55,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:11:55,371 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) [2021-12-14 18:12:00,446 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 [] [2021-12-14 18:12:02,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:12:14,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:12:16,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:12:16,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:12:16,773 INFO L93 Difference]: Finished difference Result 6799 states and 10840 transitions. [2021-12-14 18:12:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:12:16,775 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 [2021-12-14 18:12:16,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:12:16,819 INFO L225 Difference]: With dead ends: 6799 [2021-12-14 18:12:16,819 INFO L226 Difference]: Without dead ends: 3626 [2021-12-14 18:12:16,845 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 [2021-12-14 18:12:16,848 INFO L933 BasicCegarLoop]: 4513 mSDtfsCounter, 1412 mSDsluCounter, 6349 mSDsCounter, 0 mSdLazyCounter, 5362 mSolverCounterSat, 1644 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 10862 SdHoareTripleChecker+Invalid, 7009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 5362 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:12:16,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1441 Valid, 10862 Invalid, 7009 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1644 Valid, 5362 Invalid, 3 Unknown, 0 Unchecked, 20.9s Time] [2021-12-14 18:12:16,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2021-12-14 18:12:17,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3132. [2021-12-14 18:12:17,016 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) [2021-12-14 18:12:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4734 transitions. [2021-12-14 18:12:17,044 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4734 transitions. Word has length 510 [2021-12-14 18:12:17,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:12:17,045 INFO L470 AbstractCegarLoop]: Abstraction has 3132 states and 4734 transitions. [2021-12-14 18:12:17,046 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) [2021-12-14 18:12:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4734 transitions. [2021-12-14 18:12:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-14 18:12:17,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:12:17,056 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] [2021-12-14 18:12:17,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:12:17,056 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:12:17,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:12:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1693972741, now seen corresponding path program 1 times [2021-12-14 18:12:17,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:12:17,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436131169] [2021-12-14 18:12:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:12:17,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:12:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:12:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:12:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:12:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:12:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:12:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:12:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:12:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:12:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:12:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:12:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:12:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:12:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:12:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:12:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:12:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:12:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:12:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:12:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:12:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:12:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:12:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:12:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:12:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-14 18:12:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-14 18:12:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-14 18:12:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-14 18:12:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-14 18:12:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-14 18:12:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-14 18:12:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-14 18:12:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-14 18:12:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-14 18:12:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-14 18:12:17,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:12:17,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436131169] [2021-12-14 18:12:17,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436131169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:12:17,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:12:17,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:12:17,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746712920] [2021-12-14 18:12:17,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:12:17,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:12:17,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:12:17,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:12:17,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:12:17,826 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) [2021-12-14 18:12:21,023 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 [] [2021-12-14 18:12:26,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 18:12:32,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:12:32,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:12:32,775 INFO L93 Difference]: Finished difference Result 7106 states and 10919 transitions. [2021-12-14 18:12:32,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:12:32,776 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 510 [2021-12-14 18:12:32,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:12:32,803 INFO L225 Difference]: With dead ends: 7106 [2021-12-14 18:12:32,803 INFO L226 Difference]: Without dead ends: 4048 [2021-12-14 18:12:32,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:12:32,817 INFO L933 BasicCegarLoop]: 4520 mSDtfsCounter, 3157 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 2920 mSolverCounterSat, 2782 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 10949 SdHoareTripleChecker+Invalid, 5705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2782 IncrementalHoareTripleChecker+Valid, 2920 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:12:32,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 10949 Invalid, 5705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2782 Valid, 2920 Invalid, 3 Unknown, 0 Unchecked, 14.6s Time] [2021-12-14 18:12:32,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2021-12-14 18:12:32,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 3514. [2021-12-14 18:12:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3514 states, 2704 states have (on average 1.441568047337278) internal successors, (3898), 2732 states have internal predecessors, (3898), 688 states have call successors, (688), 122 states have call predecessors, (688), 121 states have return successors, (679), 674 states have call predecessors, (679), 679 states have call successors, (679) [2021-12-14 18:12:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3514 states and 5265 transitions. [2021-12-14 18:12:32,918 INFO L78 Accepts]: Start accepts. Automaton has 3514 states and 5265 transitions. Word has length 510 [2021-12-14 18:12:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:12:32,919 INFO L470 AbstractCegarLoop]: Abstraction has 3514 states and 5265 transitions. [2021-12-14 18:12:32,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-14 18:12:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 5265 transitions. [2021-12-14 18:12:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-14 18:12:32,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:12:32,926 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:12:32,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:12:32,926 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:12:32,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:12:32,926 INFO L85 PathProgramCache]: Analyzing trace with hash 886070994, now seen corresponding path program 1 times [2021-12-14 18:12:32,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:12:32,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678316577] [2021-12-14 18:12:32,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:12:32,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:12:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:12:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:12:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:12:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:12:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:12:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:12:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:12:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:12:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:12:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:12:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:12:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:12:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:12:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:12:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:12:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:12:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 18:12:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-14 18:12:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:12:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:12:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:12:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:12:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-14 18:12:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-14 18:12:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-14 18:12:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-14 18:12:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-14 18:12:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-14 18:12:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-14 18:12:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-14 18:12:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-14 18:12:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-14 18:12:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-14 18:12:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-14 18:12:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-14 18:12:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-14 18:12:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-14 18:12:33,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:12:33,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678316577] [2021-12-14 18:12:33,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678316577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:12:33,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:12:33,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:12:33,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183787649] [2021-12-14 18:12:33,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:12:33,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:12:33,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:12:33,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:12:33,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:12:33,692 INFO L87 Difference]: Start difference. First operand 3514 states and 5265 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-14 18:12:38,234 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 []