./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-tmp.no-commuhash-c3fed41 [2021-12-18 06:20:21,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 06:20:21,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 06:20:21,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 06:20:21,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 06:20:21,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 06:20:21,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 06:20:21,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 06:20:21,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 06:20:21,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 06:20:21,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 06:20:21,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 06:20:21,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 06:20:21,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 06:20:21,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 06:20:21,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 06:20:21,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 06:20:21,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 06:20:21,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 06:20:21,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 06:20:21,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 06:20:21,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 06:20:21,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 06:20:21,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 06:20:21,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 06:20:21,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 06:20:21,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 06:20:21,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 06:20:21,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 06:20:21,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 06:20:21,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 06:20:21,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 06:20:21,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 06:20:21,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 06:20:21,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 06:20:21,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 06:20:21,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 06:20:21,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 06:20:21,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 06:20:21,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 06:20:21,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 06:20:21,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 06:20:21,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 06:20:21,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 06:20:21,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 06:20:21,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 06:20:21,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 06:20:21,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 06:20:21,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 06:20:21,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 06:20:21,894 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 06:20:21,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 06:20:21,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 06:20:21,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 06:20:21,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 06:20:21,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 06:20:21,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 06:20:21,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 06:20:21,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 06:20:21,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 06:20:21,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 06:20:21,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 06:20:21,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 06:20:21,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:20:21,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 06:20:21,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 06:20:21,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 06:20:21,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 06:20:21,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 06:20:21,899 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 06:20:21,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 06:20:21,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 06:20:21,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 06:20:21,900 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 [2021-12-18 06:20:22,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 06:20:22,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 06:20:22,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 06:20:22,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 06:20:22,168 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 06:20:22,169 INFO L432 ainManager$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 [2021-12-18 06:20:22,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28e00f4/ca27f593817546c989e99519e50aa886/FLAGc8c315e2f [2021-12-18 06:20:23,090 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 06:20:23,091 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 [2021-12-18 06:20:23,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28e00f4/ca27f593817546c989e99519e50aa886/FLAGc8c315e2f [2021-12-18 06:20:23,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28e00f4/ca27f593817546c989e99519e50aa886 [2021-12-18 06:20:23,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 06:20:23,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 06:20:23,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 06:20:23,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 06:20:23,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 06:20:23,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:20:23" (1/1) ... [2021-12-18 06:20:23,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e9b9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:23, skipping insertion in model container [2021-12-18 06:20:23,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:20:23" (1/1) ... [2021-12-18 06:20:23,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 06:20:23,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:20:25,927 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] [2021-12-18 06:20:25,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:20:26,045 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 06:20:26,517 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] [2021-12-18 06:20:26,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:20:26,702 INFO L208 MainTranslator]: Completed translation [2021-12-18 06:20:26,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26 WrapperNode [2021-12-18 06:20:26,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 06:20:26,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 06:20:26,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 06:20:26,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 06:20:26,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:26,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,026 INFO L137 Inliner]: procedures = 420, calls = 2205, calls flagged for inlining = 207, calls inlined = 186, statements flattened = 6279 [2021-12-18 06:20:27,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 06:20:27,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 06:20:27,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 06:20:27,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 06:20:27,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 06:20:27,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 06:20:27,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 06:20:27,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 06:20:27,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (1/1) ... [2021-12-18 06:20:27,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:20:27,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:20:27,364 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) [2021-12-18 06:20:27,393 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 [2021-12-18 06:20:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2021-12-18 06:20:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2021-12-18 06:20:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2021-12-18 06:20:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2021-12-18 06:20:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2021-12-18 06:20:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2021-12-18 06:20:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-18 06:20:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2021-12-18 06:20:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2021-12-18 06:20:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-18 06:20:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-18 06:20:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 06:20:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 06:20:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 06:20:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 06:20:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 06:20:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 06:20:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2021-12-18 06:20:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2021-12-18 06:20:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 06:20:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 06:20:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2021-12-18 06:20:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2021-12-18 06:20:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2021-12-18 06:20:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2021-12-18 06:20:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2021-12-18 06:20:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2021-12-18 06:20:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2021-12-18 06:20:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2021-12-18 06:20:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-18 06:20:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-18 06:20:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2021-12-18 06:20:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2021-12-18 06:20:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2021-12-18 06:20:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2021-12-18 06:20:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2021-12-18 06:20:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2021-12-18 06:20:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2021-12-18 06:20:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2021-12-18 06:20:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2021-12-18 06:20:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2021-12-18 06:20:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2021-12-18 06:20:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2021-12-18 06:20:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 06:20:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 06:20:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2021-12-18 06:20:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2021-12-18 06:20:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2021-12-18 06:20:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2021-12-18 06:20:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2021-12-18 06:20:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2021-12-18 06:20:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2021-12-18 06:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2021-12-18 06:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2021-12-18 06:20:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2021-12-18 06:20:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 06:20:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 06:20:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 06:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 06:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2021-12-18 06:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2021-12-18 06:20:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2021-12-18 06:20:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2021-12-18 06:20:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2021-12-18 06:20:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2021-12-18 06:20:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 06:20:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2021-12-18 06:20:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2021-12-18 06:20:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 06:20:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 06:20:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2021-12-18 06:20:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2021-12-18 06:20:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2021-12-18 06:20:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2021-12-18 06:20:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2021-12-18 06:20:27,429 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2021-12-18 06:20:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2021-12-18 06:20:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2021-12-18 06:20:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 06:20:27,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 06:20:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2021-12-18 06:20:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2021-12-18 06:20:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 06:20:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2021-12-18 06:20:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2021-12-18 06:20:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2021-12-18 06:20:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2021-12-18 06:20:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2021-12-18 06:20:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2021-12-18 06:20:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 06:20:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2021-12-18 06:20:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2021-12-18 06:20:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 06:20:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 06:20:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 06:20:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2021-12-18 06:20:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2021-12-18 06:20:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 06:20:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 06:20:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 06:20:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 06:20:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2021-12-18 06:20:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2021-12-18 06:20:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2021-12-18 06:20:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2021-12-18 06:20:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2021-12-18 06:20:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2021-12-18 06:20:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2021-12-18 06:20:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2021-12-18 06:20:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-18 06:20:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-18 06:20:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2021-12-18 06:20:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2021-12-18 06:20:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2021-12-18 06:20:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2021-12-18 06:20:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 06:20:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 06:20:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 06:20:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 06:20:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 06:20:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2021-12-18 06:20:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2021-12-18 06:20:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 06:20:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2021-12-18 06:20:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2021-12-18 06:20:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 06:20:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 06:20:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-18 06:20:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-18 06:20:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:20:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:20:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2021-12-18 06:20:27,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2021-12-18 06:20:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2021-12-18 06:20:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2021-12-18 06:20:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2021-12-18 06:20:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2021-12-18 06:20:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2021-12-18 06:20:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2021-12-18 06:20:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 06:20:27,450 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 06:20:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2021-12-18 06:20:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2021-12-18 06:20:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2021-12-18 06:20:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2021-12-18 06:20:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-18 06:20:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-18 06:20:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2021-12-18 06:20:27,451 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2021-12-18 06:20:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2021-12-18 06:20:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2021-12-18 06:20:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-18 06:20:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-18 06:20:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-18 06:20:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-18 06:20:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 06:20:27,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 06:20:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2021-12-18 06:20:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2021-12-18 06:20:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 06:20:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 06:20:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 06:20:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 06:20:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2021-12-18 06:20:27,453 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2021-12-18 06:20:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2021-12-18 06:20:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2021-12-18 06:20:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 06:20:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 06:20:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 06:20:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 06:20:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2021-12-18 06:20:27,454 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2021-12-18 06:20:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2021-12-18 06:20:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2021-12-18 06:20:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2021-12-18 06:20:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2021-12-18 06:20:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 06:20:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 06:20:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 06:20:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 06:20:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 06:20:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-18 06:20:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-18 06:20:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_17 [2021-12-18 06:20:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_17 [2021-12-18 06:20:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 06:20:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 06:20:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2021-12-18 06:20:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2021-12-18 06:20:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-12-18 06:20:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-12-18 06:20:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2021-12-18 06:20:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2021-12-18 06:20:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 06:20:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 06:20:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 06:20:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 06:20:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2021-12-18 06:20:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2021-12-18 06:20:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 06:20:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 06:20:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 06:20:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 06:20:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2021-12-18 06:20:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2021-12-18 06:20:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2021-12-18 06:20:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2021-12-18 06:20:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2021-12-18 06:20:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2021-12-18 06:20:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 06:20:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 06:20:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-18 06:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-18 06:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2021-12-18 06:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2021-12-18 06:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 06:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 06:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 06:20:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2021-12-18 06:20:27,460 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2021-12-18 06:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 06:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-18 06:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-18 06:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-18 06:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-18 06:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2021-12-18 06:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2021-12-18 06:20:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-18 06:20:27,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-18 06:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 06:20:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 06:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2021-12-18 06:20:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2021-12-18 06:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 06:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-18 06:20:27,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-18 06:20:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 06:20:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 06:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2021-12-18 06:20:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2021-12-18 06:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2021-12-18 06:20:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2021-12-18 06:20:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 06:20:27,463 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 06:20:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 06:20:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 06:20:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2021-12-18 06:20:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2021-12-18 06:20:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2021-12-18 06:20:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2021-12-18 06:20:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2021-12-18 06:20:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2021-12-18 06:20:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2021-12-18 06:20:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2021-12-18 06:20:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-18 06:20:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-18 06:20:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-18 06:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-18 06:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2021-12-18 06:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2021-12-18 06:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-12-18 06:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-12-18 06:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2021-12-18 06:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2021-12-18 06:20:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-18 06:20:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-18 06:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 06:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2021-12-18 06:20:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2021-12-18 06:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2021-12-18 06:20:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2021-12-18 06:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 06:20:27,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 06:20:27,471 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2021-12-18 06:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2021-12-18 06:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 06:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 06:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-18 06:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-18 06:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 06:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 06:20:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2021-12-18 06:20:27,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2021-12-18 06:20:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2021-12-18 06:20:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2021-12-18 06:20:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2021-12-18 06:20:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2021-12-18 06:20:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2021-12-18 06:20:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2021-12-18 06:20:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 06:20:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 06:20:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2021-12-18 06:20:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2021-12-18 06:20:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-18 06:20:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-18 06:20:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2021-12-18 06:20:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2021-12-18 06:20:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-18 06:20:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-18 06:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2021-12-18 06:20:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2021-12-18 06:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2021-12-18 06:20:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2021-12-18 06:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2021-12-18 06:20:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2021-12-18 06:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-18 06:20:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-18 06:20:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2021-12-18 06:20:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2021-12-18 06:20:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2021-12-18 06:20:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2021-12-18 06:20:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 06:20:27,476 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 06:20:27,476 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 06:20:28,412 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 06:20:28,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 06:20:28,964 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 06:20:34,232 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 06:20:34,258 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 06:20:34,258 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 06:20:34,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:20:34 BoogieIcfgContainer [2021-12-18 06:20:34,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 06:20:34,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 06:20:34,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 06:20:34,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 06:20:34,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:20:23" (1/3) ... [2021-12-18 06:20:34,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dfd27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:20:34, skipping insertion in model container [2021-12-18 06:20:34,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:20:26" (2/3) ... [2021-12-18 06:20:34,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dfd27b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:20:34, skipping insertion in model container [2021-12-18 06:20:34,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:20:34" (3/3) ... [2021-12-18 06:20:34,270 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-18 06:20:34,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 06:20:34,274 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 06:20:34,331 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 06:20:34,344 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 [2021-12-18 06:20:34,345 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 06:20:34,410 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) [2021-12-18 06:20:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-12-18 06:20:34,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:20:34,440 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] [2021-12-18 06:20:34,441 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:20:34,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:20:34,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1085373338, now seen corresponding path program 1 times [2021-12-18 06:20:34,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:20:34,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667101978] [2021-12-18 06:20:34,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:20:34,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:20:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:20:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:20:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:20:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:20:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:20:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:20:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:20:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:20:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:20:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:20:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:20:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:20:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:20:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:20:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:20:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:20:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:20:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:20:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:20:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:20:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:20:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:20:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:20:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:20:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:20:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:20:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:20:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:20:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:20:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:20:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2021-12-18 06:20:36,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:20:36,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667101978] [2021-12-18 06:20:36,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667101978] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:20:36,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:20:36,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:20:36,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372241596] [2021-12-18 06:20:36,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:20:36,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:20:36,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:20:36,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:20:36,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:20:36,631 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) [2021-12-18 06:20:40,438 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 [] [2021-12-18 06:20:42,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:20:42,843 INFO L93 Difference]: Finished difference Result 5403 states and 8056 transitions. [2021-12-18 06:20:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 06:20:42,845 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 [2021-12-18 06:20:42,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:20:42,885 INFO L225 Difference]: With dead ends: 5403 [2021-12-18 06:20:42,888 INFO L226 Difference]: Without dead ends: 2824 [2021-12-18 06:20:42,910 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 [2021-12-18 06:20:42,915 INFO L933 BasicCegarLoop]: 3484 mSDtfsCounter, 2927 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 2448 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 5202 SdHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2448 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:20:42,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2968 Valid, 5202 Invalid, 3468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2448 Valid, 1019 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2021-12-18 06:20:42,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2021-12-18 06:20:43,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2544. [2021-12-18 06:20:43,119 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) [2021-12-18 06:20:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3687 transitions. [2021-12-18 06:20:43,140 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3687 transitions. Word has length 413 [2021-12-18 06:20:43,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:20:43,141 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3687 transitions. [2021-12-18 06:20:43,141 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) [2021-12-18 06:20:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3687 transitions. [2021-12-18 06:20:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-12-18 06:20:43,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:20:43,152 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] [2021-12-18 06:20:43,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 06:20:43,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:20:43,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:20:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash -821889264, now seen corresponding path program 1 times [2021-12-18 06:20:43,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:20:43,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946590363] [2021-12-18 06:20:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:20:43,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:20:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:20:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:20:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:20:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:20:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:20:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:20:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:20:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:20:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:43,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:20:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:20:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:20:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:20:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:20:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:20:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:20:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:20:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:20:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:20:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:20:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:20:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:20:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:20:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:20:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:20:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:20:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:20:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:20:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:20:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:20:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:20:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2021-12-18 06:20:44,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:20:44,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946590363] [2021-12-18 06:20:44,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946590363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:20:44,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:20:44,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:20:44,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479356037] [2021-12-18 06:20:44,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:20:44,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:20:44,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:20:44,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:20:44,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:20:44,775 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) [2021-12-18 06:20:50,414 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 [] [2021-12-18 06:20:56,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:20:56,442 INFO L93 Difference]: Finished difference Result 7897 states and 11704 transitions. [2021-12-18 06:20:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:20:56,443 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 [2021-12-18 06:20:56,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:20:56,477 INFO L225 Difference]: With dead ends: 7897 [2021-12-18 06:20:56,478 INFO L226 Difference]: Without dead ends: 5411 [2021-12-18 06:20:56,489 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 [2021-12-18 06:20:56,490 INFO L933 BasicCegarLoop]: 4614 mSDtfsCounter, 6641 mSDsluCounter, 7039 mSDsCounter, 0 mSdLazyCounter, 3789 mSolverCounterSat, 3367 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6982 SdHoareTripleChecker+Valid, 11653 SdHoareTripleChecker+Invalid, 7157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3367 IncrementalHoareTripleChecker+Valid, 3789 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-12-18 06:20:56,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6982 Valid, 11653 Invalid, 7157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3367 Valid, 3789 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2021-12-18 06:20:56,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5411 states. [2021-12-18 06:20:56,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5411 to 4936. [2021-12-18 06:20:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4936 states, 3581 states have (on average 1.4040770734431722) internal successors, (5028), 3670 states have internal predecessors, (5028), 1059 states have call successors, (1059), 288 states have call predecessors, (1059), 295 states have return successors, (1120), 1044 states have call predecessors, (1120), 1057 states have call successors, (1120) [2021-12-18 06:20:56,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4936 states to 4936 states and 7207 transitions. [2021-12-18 06:20:56,676 INFO L78 Accepts]: Start accepts. Automaton has 4936 states and 7207 transitions. Word has length 413 [2021-12-18 06:20:56,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:20:56,679 INFO L470 AbstractCegarLoop]: Abstraction has 4936 states and 7207 transitions. [2021-12-18 06:20:56,680 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) [2021-12-18 06:20:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 4936 states and 7207 transitions. [2021-12-18 06:20:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-12-18 06:20:56,694 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:20:56,694 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] [2021-12-18 06:20:56,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 06:20:56,695 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:20:56,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:20:56,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1143659250, now seen corresponding path program 1 times [2021-12-18 06:20:56,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:20:56,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748232596] [2021-12-18 06:20:56,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:20:56,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:20:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:20:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:20:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:20:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:20:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:20:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:20:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:20:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:20:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:20:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:20:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:20:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:20:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:20:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:20:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:20:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:20:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:20:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:20:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:20:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:20:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:20:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:20:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:20:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:20:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:20:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:20:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:20:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:20:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:20:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:20:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:20:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:20:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 06:20:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:58,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 06:20:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 06:20:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 06:20:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:58,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 06:20:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 06:20:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:20:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2021-12-18 06:20:58,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:20:58,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748232596] [2021-12-18 06:20:58,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748232596] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:20:58,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:20:58,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 06:20:58,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366426532] [2021-12-18 06:20:58,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:20:58,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 06:20:58,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:20:58,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 06:20:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 06:20:58,068 INFO L87 Difference]: Start difference. First operand 4936 states and 7207 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 06:21:02,011 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 [] [2021-12-18 06:21:10,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:21:10,557 INFO L93 Difference]: Finished difference Result 15943 states and 23801 transitions. [2021-12-18 06:21:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 06:21:10,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 456 [2021-12-18 06:21:10,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:21:10,630 INFO L225 Difference]: With dead ends: 15943 [2021-12-18 06:21:10,630 INFO L226 Difference]: Without dead ends: 11081 [2021-12-18 06:21:10,658 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 [2021-12-18 06:21:10,659 INFO L933 BasicCegarLoop]: 3771 mSDtfsCounter, 7310 mSDsluCounter, 9204 mSDsCounter, 0 mSdLazyCounter, 6159 mSolverCounterSat, 3686 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7737 SdHoareTripleChecker+Valid, 12975 SdHoareTripleChecker+Invalid, 9846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3686 IncrementalHoareTripleChecker+Valid, 6159 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:21:10,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7737 Valid, 12975 Invalid, 9846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3686 Valid, 6159 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2021-12-18 06:21:10,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11081 states. [2021-12-18 06:21:11,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11081 to 9824. [2021-12-18 06:21:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9824 states, 7121 states have (on average 1.4024715629827271) internal successors, (9987), 7305 states have internal predecessors, (9987), 2094 states have call successors, (2094), 568 states have call predecessors, (2094), 608 states have return successors, (2417), 2095 states have call predecessors, (2417), 2092 states have call successors, (2417) [2021-12-18 06:21:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9824 states to 9824 states and 14498 transitions. [2021-12-18 06:21:11,113 INFO L78 Accepts]: Start accepts. Automaton has 9824 states and 14498 transitions. Word has length 456 [2021-12-18 06:21:11,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:21:11,117 INFO L470 AbstractCegarLoop]: Abstraction has 9824 states and 14498 transitions. [2021-12-18 06:21:11,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 06:21:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 9824 states and 14498 transitions. [2021-12-18 06:21:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-12-18 06:21:11,136 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:21:11,136 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] [2021-12-18 06:21:11,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 06:21:11,137 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:21:11,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:21:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1444261344, now seen corresponding path program 1 times [2021-12-18 06:21:11,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:21:11,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651835165] [2021-12-18 06:21:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:21:11,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:21:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:21:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:21:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:21:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:21:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:21:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:21:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:21:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:21:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:21:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:21:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:21:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:21:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:21:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:21:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:21:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:21:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:21:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:21:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:21:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:21:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:21:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:21:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:21:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:21:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:21:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:21:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:21:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:21:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:21:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:21:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 06:21:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 06:21:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 06:21:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 06:21:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 06:21:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 06:21:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 06:21:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 06:21:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 06:21:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 06:21:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 06:21:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 06:21:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 06:21:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 06:21:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 06:21:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 06:21:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 06:21:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-18 06:21:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-18 06:21:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-18 06:21:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:12,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2021-12-18 06:21:12,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:21:12,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651835165] [2021-12-18 06:21:12,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651835165] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 06:21:12,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502183230] [2021-12-18 06:21:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:21:12,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 06:21:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:21:12,988 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) [2021-12-18 06:21:12,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 06:21:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:14,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 6212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 06:21:14,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:21:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2021-12-18 06:21:15,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:21:15,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502183230] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:21:15,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 06:21:15,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-18 06:21:15,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114973721] [2021-12-18 06:21:15,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:21:15,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 06:21:15,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:21:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 06:21:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:21:15,261 INFO L87 Difference]: Start difference. First operand 9824 states and 14498 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2021-12-18 06:21:15,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:21:15,497 INFO L93 Difference]: Finished difference Result 19406 states and 28964 transitions. [2021-12-18 06:21:15,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 06:21:15,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 564 [2021-12-18 06:21:15,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:21:15,556 INFO L225 Difference]: With dead ends: 19406 [2021-12-18 06:21:15,557 INFO L226 Difference]: Without dead ends: 9656 [2021-12-18 06:21:15,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:21:15,605 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 [2021-12-18 06:21:15,605 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] [2021-12-18 06:21:15,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9656 states. [2021-12-18 06:21:15,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9656 to 9656. [2021-12-18 06:21:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9656 states, 6953 states have (on average 1.3880339421832302) internal successors, (9651), 7137 states have internal predecessors, (9651), 2094 states have call successors, (2094), 568 states have call predecessors, (2094), 608 states have return successors, (2417), 2095 states have call predecessors, (2417), 2092 states have call successors, (2417) [2021-12-18 06:21:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9656 states to 9656 states and 14162 transitions. [2021-12-18 06:21:15,964 INFO L78 Accepts]: Start accepts. Automaton has 9656 states and 14162 transitions. Word has length 564 [2021-12-18 06:21:15,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:21:15,965 INFO L470 AbstractCegarLoop]: Abstraction has 9656 states and 14162 transitions. [2021-12-18 06:21:15,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2021-12-18 06:21:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 9656 states and 14162 transitions. [2021-12-18 06:21:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2021-12-18 06:21:15,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:21:15,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:21:16,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 06:21:16,190 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 [2021-12-18 06:21:16,190 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:21:16,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:21:16,191 INFO L85 PathProgramCache]: Analyzing trace with hash -742913142, now seen corresponding path program 1 times [2021-12-18 06:21:16,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:21:16,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713437832] [2021-12-18 06:21:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:21:16,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:21:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:21:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:21:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:21:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:21:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:21:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:21:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:21:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:21:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:21:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:21:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:21:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:21:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:21:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:21:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:21:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:21:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:21:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:21:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:21:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:21:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:21:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:21:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:21:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:21:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:21:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:21:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:21:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:21:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:21:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:21:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 06:21:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 06:21:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 06:21:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:21:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 06:21:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 06:21:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 06:21:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 06:21:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 06:21:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 06:21:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 06:21:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 06:21:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 06:21:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 06:21:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 06:21:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-18 06:21:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 06:21:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 06:21:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2021-12-18 06:21:18,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:21:18,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713437832] [2021-12-18 06:21:18,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713437832] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:21:18,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:21:18,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 06:21:18,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237957647] [2021-12-18 06:21:18,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:21:18,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 06:21:18,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:21:18,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 06:21:18,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:21:18,123 INFO L87 Difference]: Start difference. First operand 9656 states and 14162 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2021-12-18 06:21:23,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:21:25,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:21:52,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:21:52,784 INFO L93 Difference]: Finished difference Result 45498 states and 74195 transitions. [2021-12-18 06:21:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 06:21:52,785 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 544 [2021-12-18 06:21:52,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:21:53,004 INFO L225 Difference]: With dead ends: 45498 [2021-12-18 06:21:53,005 INFO L226 Difference]: Without dead ends: 35916 [2021-12-18 06:21:53,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2021-12-18 06:21:53,098 INFO L933 BasicCegarLoop]: 5427 mSDtfsCounter, 12707 mSDsluCounter, 11812 mSDsCounter, 0 mSdLazyCounter, 16058 mSolverCounterSat, 8382 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13447 SdHoareTripleChecker+Valid, 17239 SdHoareTripleChecker+Invalid, 24442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8382 IncrementalHoareTripleChecker+Valid, 16058 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:21:53,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13447 Valid, 17239 Invalid, 24442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8382 Valid, 16058 Invalid, 2 Unknown, 0 Unchecked, 32.5s Time] [2021-12-18 06:21:53,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35916 states. [2021-12-18 06:21:54,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35916 to 31746. [2021-12-18 06:21:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31746 states, 22475 states have (on average 1.357908787541713) internal successors, (30519), 22997 states have internal predecessors, (30519), 7240 states have call successors, (7240), 1584 states have call predecessors, (7240), 2030 states have return successors, (11322), 7647 states have call predecessors, (11322), 7238 states have call successors, (11322) [2021-12-18 06:21:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31746 states to 31746 states and 49081 transitions. [2021-12-18 06:21:55,278 INFO L78 Accepts]: Start accepts. Automaton has 31746 states and 49081 transitions. Word has length 544 [2021-12-18 06:21:55,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:21:55,280 INFO L470 AbstractCegarLoop]: Abstraction has 31746 states and 49081 transitions. [2021-12-18 06:21:55,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2021-12-18 06:21:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 31746 states and 49081 transitions. [2021-12-18 06:21:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2021-12-18 06:21:55,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:21:55,292 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] [2021-12-18 06:21:55,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 06:21:55,293 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:21:55,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:21:55,293 INFO L85 PathProgramCache]: Analyzing trace with hash -615197444, now seen corresponding path program 1 times [2021-12-18 06:21:55,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:21:55,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965916157] [2021-12-18 06:21:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:21:55,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:21:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:21:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:21:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:21:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:21:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:21:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:21:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:21:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:21:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:21:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:21:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:21:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:21:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:21:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:21:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:21:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:21:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:21:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:21:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:21:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:21:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:21:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:21:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:21:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:21:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:21:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:21:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:21:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:21:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:21:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:21:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 06:21:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 06:21:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 06:21:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 06:21:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 06:21:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 06:21:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 06:21:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:21:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:21:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 06:21:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 06:21:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 06:21:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 06:21:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 06:21:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 06:21:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 06:21:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 06:21:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-18 06:21:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 06:21:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-12-18 06:21:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-18 06:21:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-18 06:21:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2021-12-18 06:21:57,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:21:57,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965916157] [2021-12-18 06:21:57,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965916157] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 06:21:57,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45106205] [2021-12-18 06:21:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:21:57,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 06:21:57,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:21:57,361 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) [2021-12-18 06:21:57,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 06:21:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:21:58,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 6217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 06:21:58,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 06:21:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2021-12-18 06:21:59,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 06:21:59,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45106205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:21:59,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 06:21:59,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-18 06:21:59,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104544729] [2021-12-18 06:21:59,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:21:59,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 06:21:59,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:21:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 06:21:59,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:21:59,636 INFO L87 Difference]: Start difference. First operand 31746 states and 49081 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-12-18 06:22:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:22:00,921 INFO L93 Difference]: Finished difference Result 63358 states and 102031 transitions. [2021-12-18 06:22:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 06:22:00,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 567 [2021-12-18 06:22:00,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:22:01,118 INFO L225 Difference]: With dead ends: 63358 [2021-12-18 06:22:01,119 INFO L226 Difference]: Without dead ends: 31686 [2021-12-18 06:22:01,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:22:01,305 INFO L933 BasicCegarLoop]: 3586 mSDtfsCounter, 0 mSDsluCounter, 3578 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7164 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:22:01,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7164 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 06:22:01,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31686 states. [2021-12-18 06:22:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31686 to 31674. [2021-12-18 06:22:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31674 states, 22403 states have (on average 1.3542382716600456) internal successors, (30339), 22925 states have internal predecessors, (30339), 7240 states have call successors, (7240), 1584 states have call predecessors, (7240), 2030 states have return successors, (11322), 7647 states have call predecessors, (11322), 7238 states have call successors, (11322) [2021-12-18 06:22:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31674 states to 31674 states and 48901 transitions. [2021-12-18 06:22:03,275 INFO L78 Accepts]: Start accepts. Automaton has 31674 states and 48901 transitions. Word has length 567 [2021-12-18 06:22:03,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:22:03,276 INFO L470 AbstractCegarLoop]: Abstraction has 31674 states and 48901 transitions. [2021-12-18 06:22:03,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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) [2021-12-18 06:22:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 31674 states and 48901 transitions. [2021-12-18 06:22:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-12-18 06:22:03,288 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:22:03,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:22:03,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 06:22:03,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-18 06:22:03,504 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:22:03,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:22:03,504 INFO L85 PathProgramCache]: Analyzing trace with hash -573003494, now seen corresponding path program 1 times [2021-12-18 06:22:03,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:22:03,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506728589] [2021-12-18 06:22:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:22:03,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:22:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:22:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:22:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:22:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:22:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:22:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:22:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:22:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:22:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:22:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:22:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:22:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:22:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:22:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:22:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:22:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:22:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:22:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:22:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:22:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:22:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:22:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:22:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:22:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:22:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:22:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:22:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:22:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:22:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:22:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:22:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 06:22:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 06:22:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 06:22:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 06:22:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 06:22:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 06:22:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 06:22:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 06:22:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 06:22:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 06:22:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 06:22:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 06:22:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 06:22:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-18 06:22:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 06:22:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 06:22:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 06:22:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 06:22:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2021-12-18 06:22:05,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:22:05,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506728589] [2021-12-18 06:22:05,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506728589] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:22:05,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:22:05,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 06:22:05,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974735862] [2021-12-18 06:22:05,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:22:05,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 06:22:05,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:22:05,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 06:22:05,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:22:05,168 INFO L87 Difference]: Start difference. First operand 31674 states and 48901 transitions. Second operand has 10 states, 10 states have (on average 15.8) internal successors, (158), 6 states have internal predecessors, (158), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2021-12-18 06:22:10,245 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 [] [2021-12-18 06:22:41,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:22:41,328 INFO L93 Difference]: Finished difference Result 165574 states and 340724 transitions. [2021-12-18 06:22:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 06:22:41,329 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.8) internal successors, (158), 6 states have internal predecessors, (158), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 546 [2021-12-18 06:22:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:22:43,127 INFO L225 Difference]: With dead ends: 165574 [2021-12-18 06:22:43,128 INFO L226 Difference]: Without dead ends: 133974 [2021-12-18 06:22:43,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2021-12-18 06:22:43,504 INFO L933 BasicCegarLoop]: 5370 mSDtfsCounter, 12638 mSDsluCounter, 12621 mSDsCounter, 0 mSdLazyCounter, 15935 mSolverCounterSat, 8683 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13384 SdHoareTripleChecker+Valid, 17991 SdHoareTripleChecker+Invalid, 24619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8683 IncrementalHoareTripleChecker+Valid, 15935 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:22:43,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13384 Valid, 17991 Invalid, 24619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8683 Valid, 15935 Invalid, 1 Unknown, 0 Unchecked, 28.0s Time] [2021-12-18 06:22:43,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133974 states. [2021-12-18 06:22:51,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133974 to 118068. [2021-12-18 06:22:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118068 states, 81811 states have (on average 1.3263375340724353) internal successors, (108509), 83437 states have internal predecessors, (108509), 28904 states have call successors, (28904), 4528 states have call predecessors, (28904), 7352 states have return successors, (80075), 32037 states have call predecessors, (80075), 28902 states have call successors, (80075) [2021-12-18 06:22:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118068 states to 118068 states and 217488 transitions. [2021-12-18 06:22:53,641 INFO L78 Accepts]: Start accepts. Automaton has 118068 states and 217488 transitions. Word has length 546 [2021-12-18 06:22:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:22:53,642 INFO L470 AbstractCegarLoop]: Abstraction has 118068 states and 217488 transitions. [2021-12-18 06:22:53,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.8) internal successors, (158), 6 states have internal predecessors, (158), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2021-12-18 06:22:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 118068 states and 217488 transitions. [2021-12-18 06:22:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-12-18 06:22:53,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:22:53,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:22:53,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 06:22:53,654 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:22:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:22:53,655 INFO L85 PathProgramCache]: Analyzing trace with hash -193578723, now seen corresponding path program 1 times [2021-12-18 06:22:53,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:22:53,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269235952] [2021-12-18 06:22:53,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:22:53,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:22:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:53,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:22:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:22:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:22:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:22:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:22:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:22:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:22:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:22:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:22:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:22:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:22:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 06:22:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 06:22:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 06:22:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 06:22:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 06:22:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 06:22:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 06:22:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 06:22:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 06:22:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 06:22:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 06:22:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 06:22:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 06:22:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 06:22:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 06:22:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 06:22:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 06:22:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 06:22:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 06:22:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 06:22:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 06:22:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 06:22:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 06:22:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 06:22:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:22:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:22:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 06:22:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 06:22:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 06:22:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 06:22:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 06:22:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 06:22:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 06:22:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-18 06:22:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 06:22:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 06:22:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-18 06:22:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-18 06:22:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-12-18 06:22:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:22:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2021-12-18 06:22:55,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:22:55,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269235952] [2021-12-18 06:22:55,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269235952] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:22:55,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:22:55,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 06:22:55,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596941495] [2021-12-18 06:22:55,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:22:55,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 06:22:55,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:22:55,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 06:22:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:22:55,441 INFO L87 Difference]: Start difference. First operand 118068 states and 217488 transitions. Second operand has 10 states, 10 states have (on average 15.7) internal successors, (157), 6 states have internal predecessors, (157), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2021-12-18 06:23:01,551 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 []