./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:50:07,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:50:07,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:50:07,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:50:07,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:50:07,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:50:07,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:50:07,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:50:07,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:50:07,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:50:07,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:50:07,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:50:07,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:50:07,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:50:07,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:50:07,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:50:07,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:50:07,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:50:07,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:50:07,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:50:07,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:50:07,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:50:07,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:50:07,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:50:07,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:50:07,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:50:07,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:50:07,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:50:07,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:50:07,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:50:07,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:50:07,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:50:07,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:50:07,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:50:07,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:50:07,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:50:07,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:50:07,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:50:07,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:50:07,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:50:07,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:50:07,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:50:07,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:50:07,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:50:07,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:50:07,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:50:07,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:50:07,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:50:07,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:50:07,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:50:07,361 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:50:07,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:50:07,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:50:07,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:50:07,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:50:07,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:50:07,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:50:07,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:50:07,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:50:07,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:50:07,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:50:07,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:50:07,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:50:07,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:50:07,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:50:07,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:50:07,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:50:07,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:50:07,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:50:07,365 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:50:07,366 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:50:07,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:50:07,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:50:07,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b7df93b51a94ba716b03fbeddaaade451179b4a653f71c9a376f3a6d0a7d2d [2021-12-21 16:50:07,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:50:07,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:50:07,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:50:07,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:50:07,618 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:50:07,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-21 16:50:07,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7a72bdd/dcf61e57bede4edaa8c44396f1d65e39/FLAG6f9c86cbc [2021-12-21 16:50:08,288 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:50:08,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-21 16:50:08,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7a72bdd/dcf61e57bede4edaa8c44396f1d65e39/FLAG6f9c86cbc [2021-12-21 16:50:08,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7a72bdd/dcf61e57bede4edaa8c44396f1d65e39 [2021-12-21 16:50:08,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:50:08,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:50:08,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:50:08,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:50:08,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:50:08,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:50:08" (1/1) ... [2021-12-21 16:50:08,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0d57c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:08, skipping insertion in model container [2021-12-21 16:50:08,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:50:08" (1/1) ... [2021-12-21 16:50:08,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:50:08,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:50:09,933 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-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2021-12-21 16:50:09,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:50:10,039 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:50:10,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i[353830,353843] [2021-12-21 16:50:10,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:50:10,442 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:50:10,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10 WrapperNode [2021-12-21 16:50:10,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:50:10,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:50:10,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:50:10,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:50:10,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:10,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:10,749 INFO L137 Inliner]: procedures = 248, calls = 4079, calls flagged for inlining = 105, calls inlined = 100, statements flattened = 9797 [2021-12-21 16:50:10,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:50:10,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:50:10,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:50:10,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:50:10,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:10,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:10,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:10,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:11,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:11,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:11,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:11,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:50:11,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:50:11,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:50:11,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:50:11,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (1/1) ... [2021-12-21 16:50:11,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:50:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:50:11,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:50:11,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:50:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-21 16:50:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-21 16:50:11,224 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-21 16:50:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-21 16:50:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-21 16:50:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-21 16:50:11,225 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:50:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:50:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-21 16:50:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:50:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:50:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:50:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:50:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:50:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:50:11,226 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-21 16:50:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-21 16:50:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-21 16:50:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-21 16:50:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-21 16:50:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-21 16:50:11,227 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:50:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:50:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-21 16:50:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-21 16:50:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-21 16:50:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-21 16:50:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:50:11,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:50:11,228 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-21 16:50:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-21 16:50:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-21 16:50:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-21 16:50:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-21 16:50:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-21 16:50:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:50:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:50:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:50:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:50:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-21 16:50:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-21 16:50:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-21 16:50:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-21 16:50:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-21 16:50:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-21 16:50:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-21 16:50:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-21 16:50:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:50:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:50:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:50:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:50:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-21 16:50:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-21 16:50:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-21 16:50:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-21 16:50:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-21 16:50:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-21 16:50:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-21 16:50:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-21 16:50:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-21 16:50:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-21 16:50:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:50:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:50:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-21 16:50:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-21 16:50:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-21 16:50:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-21 16:50:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-21 16:50:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-21 16:50:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:50:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_28 [2021-12-21 16:50:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_28 [2021-12-21 16:50:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-21 16:50:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-21 16:50:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-21 16:50:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-21 16:50:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:50:11,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:50:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-21 16:50:11,237 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-21 16:50:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-21 16:50:11,237 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-21 16:50:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-21 16:50:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-21 16:50:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:50:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-21 16:50:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-21 16:50:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:50:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-21 16:50:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-21 16:50:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:50:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:50:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-21 16:50:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-21 16:50:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 16:50:11,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 16:50:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-21 16:50:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-21 16:50:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:50:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:50:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-21 16:50:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-21 16:50:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:50:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-21 16:50:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-21 16:50:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-21 16:50:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-21 16:50:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-21 16:50:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-21 16:50:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:50:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:50:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-21 16:50:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-21 16:50:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-21 16:50:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-21 16:50:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-21 16:50:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-21 16:50:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:50:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:50:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-21 16:50:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-21 16:50:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-21 16:50:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-21 16:50:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-21 16:50:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-21 16:50:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:50:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:50:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-21 16:50:11,251 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-21 16:50:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:50:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:50:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-21 16:50:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-21 16:50:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 16:50:11,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 16:50:11,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:50:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:50:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:50:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-21 16:50:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-21 16:50:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-21 16:50:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-21 16:50:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-21 16:50:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-21 16:50:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:50:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:50:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:50:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:50:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-21 16:50:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-21 16:50:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:50:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:50:11,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:50:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-21 16:50:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-21 16:50:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:50:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:50:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:50:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-21 16:50:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-21 16:50:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-21 16:50:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-21 16:50:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-21 16:50:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-21 16:50:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-21 16:50:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-21 16:50:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:50:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:50:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-21 16:50:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-21 16:50:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-21 16:50:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-21 16:50:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-21 16:50:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-21 16:50:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-21 16:50:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-21 16:50:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:50:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:50:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-21 16:50:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-21 16:50:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-21 16:50:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-21 16:50:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-21 16:50:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-21 16:50:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-21 16:50:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-21 16:50:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-21 16:50:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-21 16:50:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:50:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:50:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-21 16:50:11,259 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-21 16:50:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-21 16:50:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-21 16:50:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-21 16:50:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-21 16:50:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:50:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-21 16:50:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-21 16:50:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-21 16:50:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-21 16:50:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:50:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:50:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:50:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:50:12,200 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:50:12,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:50:12,324 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:50:23,290 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:50:23,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:50:23,318 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 16:50:23,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:50:23 BoogieIcfgContainer [2021-12-21 16:50:23,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:50:23,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:50:23,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:50:23,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:50:23,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:50:08" (1/3) ... [2021-12-21 16:50:23,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37495579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:50:23, skipping insertion in model container [2021-12-21 16:50:23,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:50:10" (2/3) ... [2021-12-21 16:50:23,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37495579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:50:23, skipping insertion in model container [2021-12-21 16:50:23,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:50:23" (3/3) ... [2021-12-21 16:50:23,329 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-21 16:50:23,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:50:23,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:50:23,390 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:50:23,397 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:50:23,397 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:50:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 3096 states, 2382 states have (on average 1.4588581024349285) internal successors, (3475), 2413 states have internal predecessors, (3475), 620 states have call successors, (620), 93 states have call predecessors, (620), 92 states have return successors, (609), 606 states have call predecessors, (609), 609 states have call successors, (609) [2021-12-21 16:50:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-21 16:50:23,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:50:23,486 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:50:23,487 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:50:23,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:50:23,495 INFO L85 PathProgramCache]: Analyzing trace with hash 755868707, now seen corresponding path program 1 times [2021-12-21 16:50:23,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:50:23,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404351258] [2021-12-21 16:50:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:50:23,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:50:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:50:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:50:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:50:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:50:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:50:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:50:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:50:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:50:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:50:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:50:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:50:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:50:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 16:50:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-21 16:50:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 16:50:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 16:50:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 16:50:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-21 16:50:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:50:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:50:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:50:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-21 16:50:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-21 16:50:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-21 16:50:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-21 16:50:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-21 16:50:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 16:50:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-21 16:50:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-21 16:50:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-21 16:50:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-21 16:50:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-21 16:50:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-21 16:50:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-21 16:50:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-21 16:50:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-21 16:50:24,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:50:24,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404351258] [2021-12-21 16:50:24,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404351258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:50:24,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:50:24,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:50:24,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244708209] [2021-12-21 16:50:24,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:50:24,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:50:24,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:50:24,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:50:24,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:50:24,905 INFO L87 Difference]: Start difference. First operand has 3096 states, 2382 states have (on average 1.4588581024349285) internal successors, (3475), 2413 states have internal predecessors, (3475), 620 states have call successors, (620), 93 states have call predecessors, (620), 92 states have return successors, (609), 606 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-21 16:50:30,374 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 [] [2021-12-21 16:50:36,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:50:39,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:50:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:50:39,271 INFO L93 Difference]: Finished difference Result 6777 states and 10867 transitions. [2021-12-21 16:50:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:50:39,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 524 [2021-12-21 16:50:39,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:50:39,311 INFO L225 Difference]: With dead ends: 6777 [2021-12-21 16:50:39,311 INFO L226 Difference]: Without dead ends: 3638 [2021-12-21 16:50:39,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:50:39,341 INFO L933 BasicCegarLoop]: 4403 mSDtfsCounter, 2500 mSDsluCounter, 5234 mSDsCounter, 0 mSdLazyCounter, 2988 mSolverCounterSat, 2586 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 9637 SdHoareTripleChecker+Invalid, 5576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2586 IncrementalHoareTripleChecker+Valid, 2988 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-21 16:50:39,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2581 Valid, 9637 Invalid, 5576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2586 Valid, 2988 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2021-12-21 16:50:39,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2021-12-21 16:50:39,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 3048. [2021-12-21 16:50:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 2356 states have (on average 1.4533106960950763) internal successors, (3424), 2372 states have internal predecessors, (3424), 600 states have call successors, (600), 92 states have call predecessors, (600), 91 states have return successors, (598), 595 states have call predecessors, (598), 598 states have call successors, (598) [2021-12-21 16:50:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 4622 transitions. [2021-12-21 16:50:39,542 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 4622 transitions. Word has length 524 [2021-12-21 16:50:39,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:50:39,543 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 4622 transitions. [2021-12-21 16:50:39,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-21 16:50:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 4622 transitions. [2021-12-21 16:50:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-21 16:50:39,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:50:39,559 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:50:39,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:50:39,561 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:50:39,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:50:39,562 INFO L85 PathProgramCache]: Analyzing trace with hash 626578517, now seen corresponding path program 1 times [2021-12-21 16:50:39,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:50:39,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575595027] [2021-12-21 16:50:39,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:50:39,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:50:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:50:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:50:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:50:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:50:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:50:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:50:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:50:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:50:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:50:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:50:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:50:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:50:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 16:50:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-21 16:50:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 16:50:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 16:50:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 16:50:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-21 16:50:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:50:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:50:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:50:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-21 16:50:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-21 16:50:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-21 16:50:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-21 16:50:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:50:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-21 16:50:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 16:50:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-21 16:50:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-21 16:50:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-21 16:50:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-21 16:50:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-21 16:50:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-21 16:50:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:50:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-21 16:50:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-21 16:50:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:50:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-21 16:50:40,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:50:40,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575595027] [2021-12-21 16:50:40,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575595027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:50:40,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:50:40,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:50:40,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780060347] [2021-12-21 16:50:40,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:50:40,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:50:40,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:50:40,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:50:40,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:50:40,377 INFO L87 Difference]: Start difference. First operand 3048 states and 4622 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-21 16:50:48,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:50:50,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:51:00,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:51:04,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:51:05,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:51:05,729 INFO L93 Difference]: Finished difference Result 10018 states and 15735 transitions. [2021-12-21 16:51:05,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:51:05,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 524 [2021-12-21 16:51:05,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:51:05,769 INFO L225 Difference]: With dead ends: 10018 [2021-12-21 16:51:05,769 INFO L226 Difference]: Without dead ends: 7044 [2021-12-21 16:51:05,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:51:05,784 INFO L933 BasicCegarLoop]: 4936 mSDtfsCounter, 8407 mSDsluCounter, 11646 mSDsCounter, 0 mSdLazyCounter, 6993 mSolverCounterSat, 4942 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8933 SdHoareTripleChecker+Valid, 16582 SdHoareTripleChecker+Invalid, 11938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4942 IncrementalHoareTripleChecker+Valid, 6993 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-12-21 16:51:05,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8933 Valid, 16582 Invalid, 11938 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4942 Valid, 6993 Invalid, 3 Unknown, 0 Unchecked, 24.7s Time] [2021-12-21 16:51:05,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7044 states. [2021-12-21 16:51:06,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7044 to 5863. [2021-12-21 16:51:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5863 states, 4560 states have (on average 1.4581140350877193) internal successors, (6649), 4588 states have internal predecessors, (6649), 1125 states have call successors, (1125), 178 states have call predecessors, (1125), 177 states have return successors, (1123), 1118 states have call predecessors, (1123), 1123 states have call successors, (1123) [2021-12-21 16:51:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5863 states to 5863 states and 8897 transitions. [2021-12-21 16:51:06,047 INFO L78 Accepts]: Start accepts. Automaton has 5863 states and 8897 transitions. Word has length 524 [2021-12-21 16:51:06,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:51:06,051 INFO L470 AbstractCegarLoop]: Abstraction has 5863 states and 8897 transitions. [2021-12-21 16:51:06,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-21 16:51:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 5863 states and 8897 transitions. [2021-12-21 16:51:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-12-21 16:51:06,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:51:06,063 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:51:06,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:51:06,064 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:51:06,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:51:06,064 INFO L85 PathProgramCache]: Analyzing trace with hash 482350461, now seen corresponding path program 1 times [2021-12-21 16:51:06,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:51:06,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074875925] [2021-12-21 16:51:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:51:06,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:51:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:51:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:51:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:51:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:51:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:51:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:51:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:51:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:51:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:51:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:51:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:51:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:51:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 16:51:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-21 16:51:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 16:51:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 16:51:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 16:51:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-21 16:51:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-21 16:51:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-21 16:51:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:51:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-21 16:51:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-21 16:51:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-21 16:51:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-21 16:51:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:51:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-21 16:51:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-21 16:51:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-21 16:51:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-21 16:51:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-21 16:51:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-21 16:51:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-21 16:51:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-21 16:51:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:51:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-21 16:51:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-21 16:51:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:51:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4484 trivial. 0 not checked. [2021-12-21 16:51:06,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:51:06,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074875925] [2021-12-21 16:51:06,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074875925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:51:06,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:51:06,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:51:06,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68267739] [2021-12-21 16:51:06,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:51:06,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:51:06,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:51:06,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:51:06,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:51:06,836 INFO L87 Difference]: Start difference. First operand 5863 states and 8897 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38)