./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-08_1a-drivers--scsi--fcoe--fcoe.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-08_1a-drivers--scsi--fcoe--fcoe.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 a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:29:35,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:29:35,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:29:35,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:29:35,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:29:35,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:29:35,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:29:35,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:29:35,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:29:35,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:29:35,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:29:35,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:29:35,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:29:35,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:29:35,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:29:35,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:29:35,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:29:35,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:29:35,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:29:35,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:29:35,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:29:35,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:29:35,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:29:35,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:29:35,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:29:35,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:29:35,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:29:35,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:29:35,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:29:35,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:29:35,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:29:35,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:29:35,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:29:35,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:29:35,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:29:35,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:29:35,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:29:35,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:29:35,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:29:35,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:29:35,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:29:35,651 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:29:35,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:29:35,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:29:35,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:29:35,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:29:35,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:29:35,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:29:35,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:29:35,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:29:35,675 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:29:35,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:29:35,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:29:35,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:29:35,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:29:35,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:29:35,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:29:35,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:29:35,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:29:35,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:29:35,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:29:35,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:29:35,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:29:35,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:29:35,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:29:35,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:29:35,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:29:35,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:29:35,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:29:35,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:29:35,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:29:35,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:29:35,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:29:35,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 [2021-12-21 16:29:35,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:29:35,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:29:35,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:29:35,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:29:35,903 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:29:35,904 INFO L432 ainManager$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-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-21 16:29:35,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5756eda6/1e7dd1683dbf459a9c5304af2d543bdc/FLAG0a6e5e39c [2021-12-21 16:29:36,600 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:29:36,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-21 16:29:36,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5756eda6/1e7dd1683dbf459a9c5304af2d543bdc/FLAG0a6e5e39c [2021-12-21 16:29:36,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5756eda6/1e7dd1683dbf459a9c5304af2d543bdc [2021-12-21 16:29:36,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:29:36,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:29:36,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:29:36,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:29:36,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:29:36,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:29:36" (1/1) ... [2021-12-21 16:29:36,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b4ecaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:36, skipping insertion in model container [2021-12-21 16:29:36,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:29:36" (1/1) ... [2021-12-21 16:29:36,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:29:37,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:29:39,278 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-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2021-12-21 16:29:39,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:29:39,384 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:29:39,745 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-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2021-12-21 16:29:39,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:29:39,878 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:29:39,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39 WrapperNode [2021-12-21 16:29:39,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:29:39,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:29:39,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:29:39,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:29:39,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:39,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,127 INFO L137 Inliner]: procedures = 420, calls = 2205, calls flagged for inlining = 207, calls inlined = 186, statements flattened = 6279 [2021-12-21 16:29:40,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:29:40,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:29:40,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:29:40,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:29:40,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:29:40,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:29:40,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:29:40,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:29:40,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (1/1) ... [2021-12-21 16:29:40,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:29:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:29:40,393 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 16:29:40,408 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 16:29:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2021-12-21 16:29:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2021-12-21 16:29:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2021-12-21 16:29:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2021-12-21 16:29:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2021-12-21 16:29:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2021-12-21 16:29:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 16:29:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2021-12-21 16:29:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2021-12-21 16:29:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-21 16:29:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-21 16:29:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:29:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:29:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-21 16:29:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-21 16:29:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 16:29:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 16:29:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2021-12-21 16:29:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2021-12-21 16:29:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:29:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:29:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2021-12-21 16:29:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2021-12-21 16:29:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2021-12-21 16:29:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2021-12-21 16:29:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2021-12-21 16:29:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2021-12-21 16:29:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2021-12-21 16:29:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2021-12-21 16:29:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-21 16:29:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-21 16:29:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2021-12-21 16:29:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2021-12-21 16:29:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2021-12-21 16:29:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2021-12-21 16:29:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2021-12-21 16:29:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2021-12-21 16:29:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2021-12-21 16:29:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2021-12-21 16:29:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2021-12-21 16:29:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2021-12-21 16:29:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2021-12-21 16:29:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2021-12-21 16:29:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:29:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:29:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2021-12-21 16:29:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2021-12-21 16:29:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2021-12-21 16:29:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2021-12-21 16:29:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2021-12-21 16:29:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2021-12-21 16:29:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2021-12-21 16:29:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2021-12-21 16:29:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2021-12-21 16:29:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2021-12-21 16:29:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 16:29:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 16:29:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:29:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:29:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2021-12-21 16:29:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2021-12-21 16:29:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2021-12-21 16:29:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2021-12-21 16:29:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2021-12-21 16:29:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2021-12-21 16:29:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:29:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2021-12-21 16:29:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2021-12-21 16:29:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:29:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:29:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2021-12-21 16:29:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2021-12-21 16:29:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2021-12-21 16:29:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2021-12-21 16:29:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2021-12-21 16:29:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2021-12-21 16:29:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2021-12-21 16:29:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2021-12-21 16:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-21 16:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-21 16:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2021-12-21 16:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2021-12-21 16:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2021-12-21 16:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2021-12-21 16:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2021-12-21 16:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2021-12-21 16:29:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2021-12-21 16:29:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2021-12-21 16:29:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:29:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2021-12-21 16:29:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2021-12-21 16:29:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:29:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:29:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:29:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2021-12-21 16:29:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2021-12-21 16:29:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 16:29:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 16:29:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-21 16:29:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-21 16:29:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2021-12-21 16:29:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2021-12-21 16:29:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2021-12-21 16:29:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2021-12-21 16:29:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2021-12-21 16:29:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2021-12-21 16:29:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2021-12-21 16:29:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2021-12-21 16:29:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-21 16:29:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-21 16:29:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2021-12-21 16:29:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2021-12-21 16:29:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2021-12-21 16:29:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2021-12-21 16:29:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:29:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:29:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-21 16:29:40,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-21 16:29:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:29:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2021-12-21 16:29:40,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2021-12-21 16:29:40,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:29:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2021-12-21 16:29:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2021-12-21 16:29:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:29:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:29:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-21 16:29:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-21 16:29:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:29:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:29:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2021-12-21 16:29:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2021-12-21 16:29:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2021-12-21 16:29:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2021-12-21 16:29:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2021-12-21 16:29:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2021-12-21 16:29:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2021-12-21 16:29:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2021-12-21 16:29:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:29:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:29:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2021-12-21 16:29:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2021-12-21 16:29:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2021-12-21 16:29:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2021-12-21 16:29:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-21 16:29:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-21 16:29:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2021-12-21 16:29:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2021-12-21 16:29:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2021-12-21 16:29:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2021-12-21 16:29:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-21 16:29:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-21 16:29:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-21 16:29:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-21 16:29:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:29:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:29:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2021-12-21 16:29:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2021-12-21 16:29:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:29:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:29:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-21 16:29:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-21 16:29:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2021-12-21 16:29:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2021-12-21 16:29:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2021-12-21 16:29:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2021-12-21 16:29:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:29:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:29:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:29:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:29:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2021-12-21 16:29:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2021-12-21 16:29:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2021-12-21 16:29:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2021-12-21 16:29:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2021-12-21 16:29:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2021-12-21 16:29:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:29:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:29:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-21 16:29:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-21 16:29:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 16:29:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-21 16:29:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-21 16:29:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_17 [2021-12-21 16:29:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_17 [2021-12-21 16:29:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 16:29:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 16:29:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2021-12-21 16:29:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2021-12-21 16:29:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-12-21 16:29:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-12-21 16:29:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2021-12-21 16:29:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2021-12-21 16:29:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:29:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:29:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:29:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:29:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2021-12-21 16:29:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2021-12-21 16:29:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:29:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:29:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:29:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:29:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2021-12-21 16:29:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2021-12-21 16:29:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2021-12-21 16:29:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2021-12-21 16:29:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2021-12-21 16:29:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2021-12-21 16:29:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:29:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:29:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-21 16:29:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-21 16:29:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2021-12-21 16:29:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2021-12-21 16:29:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:29:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:29:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:29:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2021-12-21 16:29:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2021-12-21 16:29:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:29:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-21 16:29:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-21 16:29:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-21 16:29:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-21 16:29:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2021-12-21 16:29:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2021-12-21 16:29:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-21 16:29:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-21 16:29:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-21 16:29:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-21 16:29:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2021-12-21 16:29:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2021-12-21 16:29:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:29:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-21 16:29:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-21 16:29:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 16:29:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 16:29:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2021-12-21 16:29:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2021-12-21 16:29:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2021-12-21 16:29:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2021-12-21 16:29:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:29:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:29:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:29:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:29:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2021-12-21 16:29:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2021-12-21 16:29:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2021-12-21 16:29:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2021-12-21 16:29:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2021-12-21 16:29:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2021-12-21 16:29:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2021-12-21 16:29:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2021-12-21 16:29:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-21 16:29:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-21 16:29:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-21 16:29:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-21 16:29:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2021-12-21 16:29:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2021-12-21 16:29:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-12-21 16:29:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-12-21 16:29:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2021-12-21 16:29:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2021-12-21 16:29:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-21 16:29:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-21 16:29:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:29:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2021-12-21 16:29:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2021-12-21 16:29:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2021-12-21 16:29:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2021-12-21 16:29:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:29:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:29:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2021-12-21 16:29:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2021-12-21 16:29:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:29:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:29:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-21 16:29:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-21 16:29:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-21 16:29:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-21 16:29:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2021-12-21 16:29:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2021-12-21 16:29:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2021-12-21 16:29:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2021-12-21 16:29:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2021-12-21 16:29:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2021-12-21 16:29:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2021-12-21 16:29:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2021-12-21 16:29:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-21 16:29:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-21 16:29:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2021-12-21 16:29:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2021-12-21 16:29:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-21 16:29:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-21 16:29:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2021-12-21 16:29:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2021-12-21 16:29:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-21 16:29:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-21 16:29:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2021-12-21 16:29:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2021-12-21 16:29:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2021-12-21 16:29:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2021-12-21 16:29:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2021-12-21 16:29:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2021-12-21 16:29:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-21 16:29:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-21 16:29:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2021-12-21 16:29:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2021-12-21 16:29:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2021-12-21 16:29:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2021-12-21 16:29:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:29:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-21 16:29:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-21 16:29:41,270 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:29:41,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:29:41,618 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:29:46,663 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:29:46,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:29:46,687 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:29:46,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:29:46 BoogieIcfgContainer [2021-12-21 16:29:46,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:29:46,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:29:46,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:29:46,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:29:46,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:29:36" (1/3) ... [2021-12-21 16:29:46,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1678dac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:29:46, skipping insertion in model container [2021-12-21 16:29:46,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:29:39" (2/3) ... [2021-12-21 16:29:46,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1678dac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:29:46, skipping insertion in model container [2021-12-21 16:29:46,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:29:46" (3/3) ... [2021-12-21 16:29:46,697 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-21 16:29:46,701 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:29:46,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:29:46,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:29:46,750 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 16:29:46,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:29:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 2564 states, 1848 states have (on average 1.408008658008658) internal successors, (2602), 1907 states have internal predecessors, (2602), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) [2021-12-21 16:29:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-12-21 16:29:46,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:29:46,818 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:29:46,818 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:29:46,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:29:46,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1085373338, now seen corresponding path program 1 times [2021-12-21 16:29:46,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:29:46,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884420575] [2021-12-21 16:29:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:29:46,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:29:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:29:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:29:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:29:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:29:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:29:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:29:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:29:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:29:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:29:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:29:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:29:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:29:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 16:29:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:29:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:29:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 16:29:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 16:29:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 16:29:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:29:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 16:29:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 16:29:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 16:29:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 16:29:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 16:29:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:29:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 16:29:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 16:29:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 16:29:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 16:29:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 16:29:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2021-12-21 16:29:48,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:29:48,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884420575] [2021-12-21 16:29:48,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884420575] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:29:48,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:29:48,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:29:48,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062514427] [2021-12-21 16:29:48,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:29:48,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:29:48,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:29:48,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:29:48,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:29:48,488 INFO L87 Difference]: Start difference. First operand has 2564 states, 1848 states have (on average 1.408008658008658) internal successors, (2602), 1907 states have internal predecessors, (2602), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-21 16:29:52,005 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 16:29:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:29:54,523 INFO L93 Difference]: Finished difference Result 5401 states and 8053 transitions. [2021-12-21 16:29:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:29:54,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 413 [2021-12-21 16:29:54,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:29:54,558 INFO L225 Difference]: With dead ends: 5401 [2021-12-21 16:29:54,559 INFO L226 Difference]: Without dead ends: 2822 [2021-12-21 16:29:54,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:29:54,582 INFO L933 BasicCegarLoop]: 3495 mSDtfsCounter, 2894 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 2442 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 5222 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2442 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-21 16:29:54,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2935 Valid, 5222 Invalid, 3461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2442 Valid, 1018 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2021-12-21 16:29:54,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2021-12-21 16:29:54,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2544. [2021-12-21 16:29:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1843 states have (on average 1.4004340748779165) internal successors, (2581), 1887 states have internal predecessors, (2581), 554 states have call successors, (554), 147 states have call predecessors, (554), 146 states have return successors, (552), 542 states have call predecessors, (552), 552 states have call successors, (552) [2021-12-21 16:29:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3687 transitions. [2021-12-21 16:29:54,763 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3687 transitions. Word has length 413 [2021-12-21 16:29:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:29:54,764 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3687 transitions. [2021-12-21 16:29:54,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-21 16:29:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3687 transitions. [2021-12-21 16:29:54,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-12-21 16:29:54,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:29:54,773 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:29:54,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:29:54,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:29:54,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:29:54,774 INFO L85 PathProgramCache]: Analyzing trace with hash -821889264, now seen corresponding path program 1 times [2021-12-21 16:29:54,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:29:54,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136633825] [2021-12-21 16:29:54,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:29:54,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:29:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:29:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:29:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:29:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:29:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:29:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:29:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:29:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:29:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:29:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:29:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:29:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:29:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:29:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 16:29:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:29:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:29:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 16:29:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 16:29:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 16:29:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:29:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 16:29:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 16:29:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 16:29:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 16:29:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 16:29:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:29:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 16:29:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 16:29:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 16:29:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 16:29:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 16:29:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:29:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:29:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2021-12-21 16:29:56,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:29:56,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136633825] [2021-12-21 16:29:56,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136633825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:29:56,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:29:56,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:29:56,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782317967] [2021-12-21 16:29:56,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:29:56,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:29:56,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:29:56,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:29:56,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:29:56,034 INFO L87 Difference]: Start difference. First operand 2544 states and 3687 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-21 16:30:00,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:30:03,618 WARN L534 Checker$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 16:30:09,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:30:09,394 INFO L93 Difference]: Finished difference Result 7884 states and 11684 transitions. [2021-12-21 16:30:09,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:30:09,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 413 [2021-12-21 16:30:09,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:30:09,417 INFO L225 Difference]: With dead ends: 7884 [2021-12-21 16:30:09,418 INFO L226 Difference]: Without dead ends: 5398 [2021-12-21 16:30:09,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:30:09,425 INFO L933 BasicCegarLoop]: 4606 mSDtfsCounter, 6360 mSDsluCounter, 7123 mSDsCounter, 0 mSdLazyCounter, 3772 mSolverCounterSat, 3183 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6703 SdHoareTripleChecker+Valid, 11729 SdHoareTripleChecker+Invalid, 6957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3183 IncrementalHoareTripleChecker+Valid, 3772 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-12-21 16:30:09,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6703 Valid, 11729 Invalid, 6957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3183 Valid, 3772 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-12-21 16:30:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2021-12-21 16:30:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 4923. [2021-12-21 16:30:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4923 states, 3572 states have (on average 1.4042553191489362) internal successors, (5016), 3660 states have internal predecessors, (5016), 1057 states have call successors, (1057), 288 states have call predecessors, (1057), 293 states have return successors, (1114), 1041 states have call predecessors, (1114), 1055 states have call successors, (1114) [2021-12-21 16:30:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 7187 transitions. [2021-12-21 16:30:09,570 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 7187 transitions. Word has length 413 [2021-12-21 16:30:09,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:30:09,571 INFO L470 AbstractCegarLoop]: Abstraction has 4923 states and 7187 transitions. [2021-12-21 16:30:09,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-21 16:30:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 7187 transitions. [2021-12-21 16:30:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-12-21 16:30:09,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:30:09,581 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:30:09,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:30:09,581 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:30:09,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:30:09,582 INFO L85 PathProgramCache]: Analyzing trace with hash -130404555, now seen corresponding path program 1 times [2021-12-21 16:30:09,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:30:09,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720112244] [2021-12-21 16:30:09,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:30:09,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:30:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:30:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:30:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:30:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:30:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:30:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:30:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:30:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:30:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:30:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:30:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:30:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:30:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 16:30:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:30:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:30:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 16:30:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 16:30:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 16:30:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:30:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 16:30:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 16:30:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 16:30:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 16:30:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 16:30:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:30:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 16:30:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 16:30:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 16:30:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 16:30:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 16:30:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-21 16:30:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-21 16:30:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-21 16:30:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-21 16:30:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-21 16:30:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-21 16:30:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2021-12-21 16:30:10,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:30:10,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720112244] [2021-12-21 16:30:10,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720112244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:30:10,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:30:10,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:30:10,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410323877] [2021-12-21 16:30:10,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:30:10,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:30:10,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:30:10,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:30:10,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:30:10,580 INFO L87 Difference]: Start difference. First operand 4923 states and 7187 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-21 16:30:14,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:30:16,468 WARN L534 Checker$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 16:30:18,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:30:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:30:28,781 INFO L93 Difference]: Finished difference Result 15895 states and 23727 transitions. [2021-12-21 16:30:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:30:28,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 456 [2021-12-21 16:30:28,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:30:28,837 INFO L225 Difference]: With dead ends: 15895 [2021-12-21 16:30:28,837 INFO L226 Difference]: Without dead ends: 11046 [2021-12-21 16:30:28,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 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 16:30:28,862 INFO L933 BasicCegarLoop]: 3783 mSDtfsCounter, 7250 mSDsluCounter, 9254 mSDsCounter, 0 mSdLazyCounter, 6191 mSolverCounterSat, 3661 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7672 SdHoareTripleChecker+Valid, 13037 SdHoareTripleChecker+Invalid, 9855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3661 IncrementalHoareTripleChecker+Valid, 6191 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-12-21 16:30:28,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7672 Valid, 13037 Invalid, 9855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3661 Valid, 6191 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2021-12-21 16:30:28,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11046 states. [2021-12-21 16:30:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11046 to 9789. [2021-12-21 16:30:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9789 states, 7096 states have (on average 1.402621195039459) internal successors, (9953), 7279 states have internal predecessors, (9953), 2088 states have call successors, (2088), 568 states have call predecessors, (2088), 604 states have return successors, (2403), 2086 states have call predecessors, (2403), 2086 states have call successors, (2403) [2021-12-21 16:30:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9789 states to 9789 states and 14444 transitions. [2021-12-21 16:30:29,195 INFO L78 Accepts]: Start accepts. Automaton has 9789 states and 14444 transitions. Word has length 456 [2021-12-21 16:30:29,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:30:29,198 INFO L470 AbstractCegarLoop]: Abstraction has 9789 states and 14444 transitions. [2021-12-21 16:30:29,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-21 16:30:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 9789 states and 14444 transitions. [2021-12-21 16:30:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2021-12-21 16:30:29,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:30:29,209 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:30:29,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:30:29,210 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:30:29,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:30:29,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1782524724, now seen corresponding path program 1 times [2021-12-21 16:30:29,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:30:29,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439168711] [2021-12-21 16:30:29,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:30:29,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:30:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:30:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:30:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:30:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:30:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:30:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:30:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:30:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:30:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:30:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:30:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:30:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:30:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 16:30:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:30:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:30:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 16:30:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 16:30:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 16:30:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:30:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 16:30:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 16:30:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 16:30:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 16:30:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 16:30:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:30:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 16:30:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 16:30:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 16:30:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 16:30:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 16:30:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-21 16:30:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-21 16:30:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-21 16:30:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-21 16:30:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:30:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-21 16:30:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-21 16:30:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:30:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 16:30:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:30:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 16:30:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:30:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 16:30:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:30:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 16:30:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-21 16:30:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-21 16:30:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-21 16:30:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-21 16:30:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-12-21 16:30:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2021-12-21 16:30:30,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:30:30,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439168711] [2021-12-21 16:30:30,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439168711] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:30:30,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484217668] [2021-12-21 16:30:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:30:30,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:30:30,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:30:30,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:30:30,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 16:30:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:32,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 6213 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 16:30:32,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:30:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2021-12-21 16:30:32,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:30:32,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484217668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:30:32,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:30:32,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-21 16:30:32,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498549298] [2021-12-21 16:30:32,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:30:32,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 16:30:32,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:30:32,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 16:30:32,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:30:32,632 INFO L87 Difference]: Start difference. First operand 9789 states and 14444 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-12-21 16:30:32,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:30:32,814 INFO L93 Difference]: Finished difference Result 19336 states and 28856 transitions. [2021-12-21 16:30:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 16:30:32,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) Word has length 566 [2021-12-21 16:30:32,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:30:32,860 INFO L225 Difference]: With dead ends: 19336 [2021-12-21 16:30:32,860 INFO L226 Difference]: Without dead ends: 9621 [2021-12-21 16:30:32,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:30:32,899 INFO L933 BasicCegarLoop]: 3600 mSDtfsCounter, 0 mSDsluCounter, 3594 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7194 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:30:32,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7194 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:30:32,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9621 states. [2021-12-21 16:30:33,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9621 to 9621. [2021-12-21 16:30:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9621 states, 6928 states have (on average 1.388135103926097) internal successors, (9617), 7111 states have internal predecessors, (9617), 2088 states have call successors, (2088), 568 states have call predecessors, (2088), 604 states have return successors, (2403), 2086 states have call predecessors, (2403), 2086 states have call successors, (2403) [2021-12-21 16:30:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9621 states to 9621 states and 14108 transitions. [2021-12-21 16:30:33,222 INFO L78 Accepts]: Start accepts. Automaton has 9621 states and 14108 transitions. Word has length 566 [2021-12-21 16:30:33,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:30:33,223 INFO L470 AbstractCegarLoop]: Abstraction has 9621 states and 14108 transitions. [2021-12-21 16:30:33,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-12-21 16:30:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 9621 states and 14108 transitions. [2021-12-21 16:30:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2021-12-21 16:30:33,231 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:30:33,232 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:30:33,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 16:30:33,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:30:33,448 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:30:33,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:30:33,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1200379562, now seen corresponding path program 1 times [2021-12-21 16:30:33,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:30:33,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23204155] [2021-12-21 16:30:33,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:30:33,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:30:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:30:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:30:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:30:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:30:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:30:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:30:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:30:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:30:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:30:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:30:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:30:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 16:30:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 16:30:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:30:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 16:30:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 16:30:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 16:30:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-21 16:30:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:30:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-21 16:30:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-21 16:30:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-21 16:30:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-21 16:30:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-21 16:30:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-21 16:30:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-21 16:30:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-21 16:30:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-21 16:30:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-21 16:30:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-21 16:30:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-21 16:30:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-21 16:30:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-21 16:30:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-21 16:30:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:30:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-21 16:30:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-21 16:30:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:30:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:30:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 16:30:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 16:30:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:30:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 16:30:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:30:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 16:30:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:30:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 16:30:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-21 16:30:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-21 16:30:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-12-21 16:30:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-21 16:30:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-21 16:30:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:30:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2021-12-21 16:30:34,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:30:34,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23204155] [2021-12-21 16:30:34,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23204155] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:30:34,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998290484] [2021-12-21 16:30:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:30:34,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:30:34,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:30:34,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:30:34,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process