./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--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-43_2a-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 b09307eff68471b13f9f4af8ca37265160c175233f57a4afa3e4fdd6d6503a6b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:05:43,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:05:43,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:05:43,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:05:43,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:05:43,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:05:43,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:05:43,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:05:43,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:05:43,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:05:43,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:05:43,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:05:43,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:05:43,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:05:43,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:05:43,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:05:43,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:05:43,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:05:43,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:05:43,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:05:43,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:05:43,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:05:43,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:05:43,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:05:43,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:05:43,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:05:43,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:05:43,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:05:43,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:05:43,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:05:43,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:05:43,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:05:43,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:05:43,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:05:43,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:05:43,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:05:43,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:05:43,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:05:43,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:05:43,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:05:43,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:05:43,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:05:43,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:05:43,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:05:43,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:05:43,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:05:43,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:05:43,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:05:43,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:05:43,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:05:43,305 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:05:43,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:05:43,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:05:43,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:05:43,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:05:43,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:05:43,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:05:43,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:05:43,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:05:43,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:05:43,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:05:43,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:05:43,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:05:43,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:05:43,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:05:43,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:05:43,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:05:43,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:05:43,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:05:43,310 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:05:43,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:05:43,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:05:43,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:05:43,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b09307eff68471b13f9f4af8ca37265160c175233f57a4afa3e4fdd6d6503a6b [2021-12-18 09:05:43,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:05:43,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:05:43,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:05:43,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:05:43,588 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:05:43,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-18 09:05:43,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ca194cd/99348e6f574b420eb35f299d2b7e7dd6/FLAG06f36d579 [2021-12-18 09:05:44,495 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:05:44,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-18 09:05:44,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ca194cd/99348e6f574b420eb35f299d2b7e7dd6/FLAG06f36d579 [2021-12-18 09:05:44,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96ca194cd/99348e6f574b420eb35f299d2b7e7dd6 [2021-12-18 09:05:44,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:05:44,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:05:44,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:05:44,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:05:44,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:05:44,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:05:44" (1/1) ... [2021-12-18 09:05:44,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f8b1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:44, skipping insertion in model container [2021-12-18 09:05:44,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:05:44" (1/1) ... [2021-12-18 09:05:44,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:05:45,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:05:47,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[416808,416821] [2021-12-18 09:05:47,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:05:47,830 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:05:48,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[416808,416821] [2021-12-18 09:05:48,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:05:48,448 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:05:48,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48 WrapperNode [2021-12-18 09:05:48,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:05:48,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:05:48,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:05:48,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:05:48,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,702 INFO L137 Inliner]: procedures = 426, calls = 2211, calls flagged for inlining = 204, calls inlined = 184, statements flattened = 6226 [2021-12-18 09:05:48,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:05:48,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:05:48,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:05:48,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:05:48,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:05:48,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:05:48,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:05:48,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:05:48,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (1/1) ... [2021-12-18 09:05:48,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:05:49,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:05:49,020 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 09:05:49,045 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 09:05:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2021-12-18 09:05:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2021-12-18 09:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2021-12-18 09:05:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2021-12-18 09:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2021-12-18 09:05:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2021-12-18 09:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-18 09:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2021-12-18 09:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2021-12-18 09:05:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-18 09:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-18 09:05:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:05:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 09:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 09:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 09:05:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 09:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2021-12-18 09:05:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2021-12-18 09:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 09:05:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 09:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:05:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2021-12-18 09:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2021-12-18 09:05:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2021-12-18 09:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2021-12-18 09:05:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2021-12-18 09:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2021-12-18 09:05:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2021-12-18 09:05:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2021-12-18 09:05:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-18 09:05:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-18 09:05:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2021-12-18 09:05:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2021-12-18 09:05:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2021-12-18 09:05:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2021-12-18 09:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2021-12-18 09:05:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2021-12-18 09:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2021-12-18 09:05:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2021-12-18 09:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2021-12-18 09:05:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2021-12-18 09:05:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2021-12-18 09:05:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2021-12-18 09:05:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2021-12-18 09:05:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2021-12-18 09:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2021-12-18 09:05:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2021-12-18 09:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2021-12-18 09:05:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2021-12-18 09:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2021-12-18 09:05:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2021-12-18 09:05:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2021-12-18 09:05:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2021-12-18 09:05:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 09:05:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 09:05:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:05:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:05:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2021-12-18 09:05:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2021-12-18 09:05:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2021-12-18 09:05:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2021-12-18 09:05:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2021-12-18 09:05:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2021-12-18 09:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2021-12-18 09:05:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2021-12-18 09:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 09:05:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 09:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2021-12-18 09:05:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2021-12-18 09:05:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2021-12-18 09:05:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2021-12-18 09:05:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2021-12-18 09:05:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2021-12-18 09:05:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 09:05:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 09:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2021-12-18 09:05:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2021-12-18 09:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2021-12-18 09:05:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2021-12-18 09:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2021-12-18 09:05:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2021-12-18 09:05:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2021-12-18 09:05:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2021-12-18 09:05:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2021-12-18 09:05:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2021-12-18 09:05:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:05:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2021-12-18 09:05:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2021-12-18 09:05:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:05:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:05:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:05:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2021-12-18 09:05:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2021-12-18 09:05:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 09:05:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 09:05:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 09:05:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 09:05:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:05:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:05:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2021-12-18 09:05:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2021-12-18 09:05:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2021-12-18 09:05:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2021-12-18 09:05:49,083 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2021-12-18 09:05:49,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2021-12-18 09:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2021-12-18 09:05:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2021-12-18 09:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-18 09:05:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-18 09:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2021-12-18 09:05:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2021-12-18 09:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2021-12-18 09:05:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2021-12-18 09:05:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 09:05:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 09:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2021-12-18 09:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2021-12-18 09:05:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 09:05:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-18 09:05:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-18 09:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:05:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2021-12-18 09:05:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2021-12-18 09:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2021-12-18 09:05:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2021-12-18 09:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2021-12-18 09:05:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2021-12-18 09:05:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2021-12-18 09:05:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2021-12-18 09:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2021-12-18 09:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2021-12-18 09:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2021-12-18 09:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2021-12-18 09:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-18 09:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-18 09:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2021-12-18 09:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2021-12-18 09:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2021-12-18 09:05:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2021-12-18 09:05:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-18 09:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-18 09:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-18 09:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-18 09:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2021-12-18 09:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2021-12-18 09:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 09:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 09:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 09:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 09:05:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2021-12-18 09:05:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2021-12-18 09:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2021-12-18 09:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2021-12-18 09:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2021-12-18 09:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2021-12-18 09:05:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 09:05:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 09:05:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 09:05:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 09:05:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 09:05:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 09:05:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 09:05:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2021-12-18 09:05:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2021-12-18 09:05:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-12-18 09:05:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-12-18 09:05:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2021-12-18 09:05:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2021-12-18 09:05:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 09:05:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 09:05:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 09:05:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 09:05:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2021-12-18 09:05:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2021-12-18 09:05:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:05:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:05:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 09:05:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 09:05:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2021-12-18 09:05:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2021-12-18 09:05:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2021-12-18 09:05:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2021-12-18 09:05:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2021-12-18 09:05:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2021-12-18 09:05:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 09:05:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 09:05:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-18 09:05:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-18 09:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2021-12-18 09:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2021-12-18 09:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 09:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 09:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2021-12-18 09:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2021-12-18 09:05:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-18 09:05:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-18 09:05:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:05:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-18 09:05:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-18 09:05:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 09:05:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 09:05:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-18 09:05:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-18 09:05:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2021-12-18 09:05:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2021-12-18 09:05:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-18 09:05:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-18 09:05:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 09:05:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 09:05:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2021-12-18 09:05:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2021-12-18 09:05:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:05:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-18 09:05:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-12-18 09:05:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 09:05:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 09:05:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2021-12-18 09:05:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2021-12-18 09:05:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2021-12-18 09:05:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2021-12-18 09:05:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 09:05:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 09:05:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 09:05:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 09:05:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2021-12-18 09:05:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2021-12-18 09:05:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_46 [2021-12-18 09:05:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_46 [2021-12-18 09:05:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2021-12-18 09:05:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2021-12-18 09:05:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2021-12-18 09:05:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2021-12-18 09:05:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2021-12-18 09:05:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2021-12-18 09:05:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-18 09:05:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-18 09:05:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-18 09:05:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2021-12-18 09:05:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2021-12-18 09:05:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2021-12-18 09:05:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-12-18 09:05:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-12-18 09:05:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2021-12-18 09:05:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2021-12-18 09:05:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-18 09:05:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-18 09:05:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:05:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2021-12-18 09:05:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2021-12-18 09:05:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2021-12-18 09:05:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2021-12-18 09:05:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:05:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:05:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2021-12-18 09:05:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2021-12-18 09:05:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 09:05:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 09:05:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-18 09:05:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-18 09:05:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 09:05:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 09:05:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2021-12-18 09:05:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2021-12-18 09:05:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2021-12-18 09:05:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2021-12-18 09:05:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2021-12-18 09:05:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2021-12-18 09:05:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2021-12-18 09:05:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2021-12-18 09:05:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 09:05:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 09:05:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2021-12-18 09:05:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2021-12-18 09:05:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-18 09:05:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-18 09:05:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2021-12-18 09:05:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2021-12-18 09:05:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-18 09:05:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-18 09:05:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2021-12-18 09:05:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2021-12-18 09:05:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2021-12-18 09:05:49,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2021-12-18 09:05:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2021-12-18 09:05:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2021-12-18 09:05:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-18 09:05:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-18 09:05:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2021-12-18 09:05:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2021-12-18 09:05:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2021-12-18 09:05:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2021-12-18 09:05:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:05:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 09:05:49,188 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 09:05:50,062 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:05:50,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:05:50,520 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:05:55,907 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:05:55,932 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:05:55,933 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 09:05:55,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:05:55 BoogieIcfgContainer [2021-12-18 09:05:55,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:05:55,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:05:55,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:05:55,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:05:55,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:05:44" (1/3) ... [2021-12-18 09:05:55,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afe013d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:05:55, skipping insertion in model container [2021-12-18 09:05:55,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:05:48" (2/3) ... [2021-12-18 09:05:55,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afe013d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:05:55, skipping insertion in model container [2021-12-18 09:05:55,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:05:55" (3/3) ... [2021-12-18 09:05:55,945 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2021-12-18 09:05:55,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:05:55,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:05:56,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:05:56,047 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 09:05:56,047 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:05:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 2568 states, 1845 states have (on average 1.4065040650406504) internal successors, (2595), 1904 states have internal predecessors, (2595), 572 states have call successors, (572), 150 states have call predecessors, (572), 149 states have return successors, (559), 549 states have call predecessors, (559), 559 states have call successors, (559) [2021-12-18 09:05:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-18 09:05:56,158 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:05:56,159 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, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:56,160 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:05:56,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:05:56,165 INFO L85 PathProgramCache]: Analyzing trace with hash 417152885, now seen corresponding path program 1 times [2021-12-18 09:05:56,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:05:56,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893857064] [2021-12-18 09:05:56,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:05:56,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:05:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:05:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:05:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:05:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:05:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:05:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:05:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:05:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:05:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:05:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:05:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:05:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:05:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:05:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:05:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:05:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:05:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:05:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:05:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:05:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:05:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 09:05:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 09:05:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:05:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:05:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 09:05:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:05:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 09:05:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 09:05:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:05:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 09:05:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:05:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 09:05:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 09:05:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 09:05:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:05:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 09:05:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:05:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 09:05:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 09:05:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:05:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 09:05:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 09:05:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 09:05:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-18 09:05:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-18 09:05:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 09:05:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:05:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:05:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:05:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2021-12-18 09:05:58,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:05:58,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893857064] [2021-12-18 09:05:58,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893857064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:05:58,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:05:58,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:05:58,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120687432] [2021-12-18 09:05:58,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:05:58,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:05:58,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:05:58,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:05:58,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:05:58,725 INFO L87 Difference]: Start difference. First operand has 2568 states, 1845 states have (on average 1.4065040650406504) internal successors, (2595), 1904 states have internal predecessors, (2595), 572 states have call successors, (572), 150 states have call predecessors, (572), 149 states have return successors, (559), 549 states have call predecessors, (559), 559 states have call successors, (559) Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 2 states have internal predecessors, (140), 2 states have call successors, (55), 7 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-18 09:06:04,794 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 09:06:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:06:11,448 INFO L93 Difference]: Finished difference Result 5701 states and 8549 transitions. [2021-12-18 09:06:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 09:06:11,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 2 states have internal predecessors, (140), 2 states have call successors, (55), 7 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 524 [2021-12-18 09:06:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:06:11,528 INFO L225 Difference]: With dead ends: 5701 [2021-12-18 09:06:11,528 INFO L226 Difference]: Without dead ends: 3107 [2021-12-18 09:06:11,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-18 09:06:11,564 INFO L933 BasicCegarLoop]: 3390 mSDtfsCounter, 4407 mSDsluCounter, 5185 mSDsCounter, 0 mSdLazyCounter, 4188 mSolverCounterSat, 3546 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4712 SdHoareTripleChecker+Valid, 8575 SdHoareTripleChecker+Invalid, 7735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3546 IncrementalHoareTripleChecker+Valid, 4188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:06:11,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4712 Valid, 8575 Invalid, 7735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3546 Valid, 4188 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2021-12-18 09:06:11,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2021-12-18 09:06:11,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 2537. [2021-12-18 09:06:11,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 1832 states have (on average 1.4006550218340612) internal successors, (2566), 1877 states have internal predecessors, (2566), 557 states have call successors, (557), 148 states have call predecessors, (557), 147 states have return successors, (555), 545 states have call predecessors, (555), 555 states have call successors, (555) [2021-12-18 09:06:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3678 transitions. [2021-12-18 09:06:11,860 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3678 transitions. Word has length 524 [2021-12-18 09:06:11,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:06:11,860 INFO L470 AbstractCegarLoop]: Abstraction has 2537 states and 3678 transitions. [2021-12-18 09:06:11,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 2 states have internal predecessors, (140), 2 states have call successors, (55), 7 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-18 09:06:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3678 transitions. [2021-12-18 09:06:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-12-18 09:06:11,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:06:11,879 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, 3, 3, 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] [2021-12-18 09:06:11,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:06:11,880 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:06:11,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:06:11,881 INFO L85 PathProgramCache]: Analyzing trace with hash 958137639, now seen corresponding path program 1 times [2021-12-18 09:06:11,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:06:11,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043906134] [2021-12-18 09:06:11,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:06:11,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:06:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:06:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:06:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:06:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:06:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:06:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:06:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:06:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:06:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:06:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:06:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:06:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:06:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:06:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:06:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:06:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:06:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:06:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:06:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:06:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 09:06:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 09:06:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:06:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:06:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 09:06:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:06:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 09:06:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 09:06:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:06:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 09:06:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:06:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 09:06:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 09:06:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 09:06:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 09:06:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 09:06:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 09:06:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 09:06:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 09:06:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 09:06:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 09:06:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 09:06:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 09:06:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 09:06:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-18 09:06:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 09:06:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:06:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2321 trivial. 0 not checked. [2021-12-18 09:06:13,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:06:13,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043906134] [2021-12-18 09:06:13,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043906134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:06:13,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:06:13,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:06:13,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789403318] [2021-12-18 09:06:13,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:06:13,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:06:13,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:06:13,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:06:13,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:06:13,384 INFO L87 Difference]: Start difference. First operand 2537 states and 3678 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (54), 5 states have call predecessors, (54), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-18 09:06:17,359 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 09:06:23,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:06:23,599 INFO L93 Difference]: Finished difference Result 7762 states and 11385 transitions. [2021-12-18 09:06:23,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 09:06:23,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (54), 5 states have call predecessors, (54), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 502 [2021-12-18 09:06:23,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:06:23,636 INFO L225 Difference]: With dead ends: 7762 [2021-12-18 09:06:23,637 INFO L226 Difference]: Without dead ends: 5295 [2021-12-18 09:06:23,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 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 09:06:23,648 INFO L933 BasicCegarLoop]: 3779 mSDtfsCounter, 6827 mSDsluCounter, 5916 mSDsCounter, 0 mSdLazyCounter, 3590 mSolverCounterSat, 3623 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7173 SdHoareTripleChecker+Valid, 9695 SdHoareTripleChecker+Invalid, 7214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3623 IncrementalHoareTripleChecker+Valid, 3590 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:06:23,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7173 Valid, 9695 Invalid, 7214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3623 Valid, 3590 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2021-12-18 09:06:23,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2021-12-18 09:06:23,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 4747. [2021-12-18 09:06:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4747 states, 3440 states have (on average 1.406686046511628) internal successors, (4839), 3529 states have internal predecessors, (4839), 1017 states have call successors, (1017), 289 states have call predecessors, (1017), 289 states have return successors, (1018), 994 states have call predecessors, (1018), 1014 states have call successors, (1018) [2021-12-18 09:06:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4747 states to 4747 states and 6874 transitions. [2021-12-18 09:06:23,959 INFO L78 Accepts]: Start accepts. Automaton has 4747 states and 6874 transitions. Word has length 502 [2021-12-18 09:06:23,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:06:23,962 INFO L470 AbstractCegarLoop]: Abstraction has 4747 states and 6874 transitions. [2021-12-18 09:06:23,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (54), 5 states have call predecessors, (54), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-18 09:06:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4747 states and 6874 transitions. [2021-12-18 09:06:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-18 09:06:23,983 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:06:23,983 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, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:23,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:06:23,984 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:06:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:06:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1499618187, now seen corresponding path program 1 times [2021-12-18 09:06:23,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:06:23,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106835190] [2021-12-18 09:06:23,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:06:23,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:06:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:06:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:06:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:06:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:06:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:06:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:06:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:06:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:06:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:06:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:06:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:06:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:06:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:06:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:06:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:06:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:06:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:06:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:06:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:06:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 09:06:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 09:06:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:06:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:06:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 09:06:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:06:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 09:06:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 09:06:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:06:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 09:06:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:06:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 09:06:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 09:06:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 09:06:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:06:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 09:06:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:06:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 09:06:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 09:06:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:06:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 09:06:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 09:06:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 09:06:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-18 09:06:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-18 09:06:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 09:06:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:06:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2021-12-18 09:06:25,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:06:25,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106835190] [2021-12-18 09:06:25,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106835190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:06:25,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:06:25,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 09:06:25,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769462275] [2021-12-18 09:06:25,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:06:25,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 09:06:25,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:06:25,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 09:06:25,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-18 09:06:25,921 INFO L87 Difference]: Start difference. First operand 4747 states and 6874 transitions. Second operand has 10 states, 10 states have (on average 14.0) internal successors, (140), 5 states have internal predecessors, (140), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-18 09:06:30,964 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 09:06:47,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:06:47,162 INFO L93 Difference]: Finished difference Result 18668 states and 28653 transitions. [2021-12-18 09:06:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 09:06:47,163 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 5 states have internal predecessors, (140), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) Word has length 524 [2021-12-18 09:06:47,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:06:47,252 INFO L225 Difference]: With dead ends: 18668 [2021-12-18 09:06:47,252 INFO L226 Difference]: Without dead ends: 13995 [2021-12-18 09:06:47,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2021-12-18 09:06:47,283 INFO L933 BasicCegarLoop]: 3377 mSDtfsCounter, 13213 mSDsluCounter, 7975 mSDsCounter, 0 mSdLazyCounter, 11316 mSolverCounterSat, 8277 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13835 SdHoareTripleChecker+Valid, 11352 SdHoareTripleChecker+Invalid, 19594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8277 IncrementalHoareTripleChecker+Valid, 11316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:06:47,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13835 Valid, 11352 Invalid, 19594 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8277 Valid, 11316 Invalid, 1 Unknown, 0 Unchecked, 20.1s Time] [2021-12-18 09:06:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13995 states. [2021-12-18 09:06:47,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13995 to 11006. [2021-12-18 09:06:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11006 states, 7867 states have (on average 1.3887123426973433) internal successors, (10925), 8063 states have internal predecessors, (10925), 2479 states have call successors, (2479), 571 states have call predecessors, (2479), 659 states have return successors, (2973), 2540 states have call predecessors, (2973), 2474 states have call successors, (2973) [2021-12-18 09:06:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11006 states to 11006 states and 16377 transitions. [2021-12-18 09:06:48,019 INFO L78 Accepts]: Start accepts. Automaton has 11006 states and 16377 transitions. Word has length 524 [2021-12-18 09:06:48,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:06:48,023 INFO L470 AbstractCegarLoop]: Abstraction has 11006 states and 16377 transitions. [2021-12-18 09:06:48,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 5 states have internal predecessors, (140), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-18 09:06:48,024 INFO L276 IsEmpty]: Start isEmpty. Operand 11006 states and 16377 transitions. [2021-12-18 09:06:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2021-12-18 09:06:48,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:06:48,035 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, 3, 3, 2, 2, 2, 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] [2021-12-18 09:06:48,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:06:48,036 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:06:48,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:06:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1622535644, now seen corresponding path program 1 times [2021-12-18 09:06:48,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:06:48,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355410992] [2021-12-18 09:06:48,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:06:48,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:06:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:06:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:06:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:06:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:06:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:06:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:06:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:06:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:06:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:06:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:06:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:06:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:06:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:06:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:06:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:06:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:06:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:06:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:06:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:06:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 09:06:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 09:06:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:06:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:06:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 09:06:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:06:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 09:06:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 09:06:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:06:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 09:06:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:06:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 09:06:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 09:06:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 09:06:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 09:06:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:06:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 09:06:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 09:06:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:06:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 09:06:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 09:06:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-18 09:06:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-18 09:06:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 09:06:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 09:06:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 09:06:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 09:06:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-18 09:06:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 09:06:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-18 09:06:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:06:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2344 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 2328 trivial. 0 not checked. [2021-12-18 09:06:49,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:06:49,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355410992] [2021-12-18 09:06:49,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355410992] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 09:06:49,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237149355] [2021-12-18 09:06:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:06:49,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 09:06:49,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:06:49,811 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 09:06:49,814 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 09:06:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:51,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 6250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:06:51,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:06:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2344 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2021-12-18 09:06:52,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:06:52,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237149355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:06:52,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 09:06:52,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2021-12-18 09:06:52,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083770009] [2021-12-18 09:06:52,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:06:52,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:06:52,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:06:52,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:06:52,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:06:52,115 INFO L87 Difference]: Start difference. First operand 11006 states and 16377 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 09:06:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:06:52,530 INFO L93 Difference]: Finished difference Result 22514 states and 34179 transitions. [2021-12-18 09:06:52,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:06:52,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 574 [2021-12-18 09:06:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:06:52,602 INFO L225 Difference]: With dead ends: 22514 [2021-12-18 09:06:52,603 INFO L226 Difference]: Without dead ends: 11582 [2021-12-18 09:06:52,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 760 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:06:52,668 INFO L933 BasicCegarLoop]: 3745 mSDtfsCounter, 41 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 7433 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:06:52,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 7433 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:06:52,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11582 states. [2021-12-18 09:06:53,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11582 to 11012. [2021-12-18 09:06:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11012 states, 7873 states have (on average 1.3884161056776325) internal successors, (10931), 8069 states have internal predecessors, (10931), 2479 states have call successors, (2479), 571 states have call predecessors, (2479), 659 states have return successors, (2973), 2540 states have call predecessors, (2973), 2474 states have call successors, (2973) [2021-12-18 09:06:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11012 states to 11012 states and 16383 transitions. [2021-12-18 09:06:53,351 INFO L78 Accepts]: Start accepts. Automaton has 11012 states and 16383 transitions. Word has length 574 [2021-12-18 09:06:53,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:06:53,352 INFO L470 AbstractCegarLoop]: Abstraction has 11012 states and 16383 transitions. [2021-12-18 09:06:53,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-18 09:06:53,352 INFO L276 IsEmpty]: Start isEmpty. Operand 11012 states and 16383 transitions. [2021-12-18 09:06:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-18 09:06:53,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:06:53,363 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, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:53,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 09:06:53,579 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 09:06:53,579 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:06:53,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:06:53,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1153380009, now seen corresponding path program 1 times [2021-12-18 09:06:53,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:06:53,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614777003] [2021-12-18 09:06:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:06:53,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:06:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:06:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:06:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:06:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:06:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:06:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:06:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:06:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:06:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:06:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:06:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:06:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:06:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:06:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:06:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:06:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:06:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:06:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:06:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:06:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:06:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 09:06:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 09:06:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:06:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:06:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 09:06:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:06:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 09:06:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 09:06:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:06:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 09:06:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:06:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 09:06:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 09:06:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-18 09:06:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:06:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 09:06:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 09:06:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 09:06:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-18 09:06:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:06:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 09:06:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 09:06:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 09:06:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-18 09:06:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-18 09:06:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 09:06:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:06:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:06:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:06:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2021-12-18 09:06:55,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:06:55,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614777003] [2021-12-18 09:06:55,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614777003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:06:55,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:06:55,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 09:06:55,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873400287] [2021-12-18 09:06:55,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:06:55,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 09:06:55,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:06:55,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 09:06:55,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-18 09:06:55,105 INFO L87 Difference]: Start difference. First operand 11012 states and 16383 transitions. Second operand has 10 states, 10 states have (on average 14.0) internal successors, (140), 5 states have internal predecessors, (140), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-18 09:07:00,119 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 09:07:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:17,732 INFO L93 Difference]: Finished difference Result 47385 states and 79332 transitions. [2021-12-18 09:07:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 09:07:17,733 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 5 states have internal predecessors, (140), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) Word has length 524 [2021-12-18 09:07:17,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:17,934 INFO L225 Difference]: With dead ends: 47385 [2021-12-18 09:07:17,934 INFO L226 Difference]: Without dead ends: 36447 [2021-12-18 09:07:17,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2021-12-18 09:07:18,000 INFO L933 BasicCegarLoop]: 3329 mSDtfsCounter, 15507 mSDsluCounter, 7624 mSDsCounter, 0 mSdLazyCounter, 10656 mSolverCounterSat, 9747 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16125 SdHoareTripleChecker+Valid, 10953 SdHoareTripleChecker+Invalid, 20404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9747 IncrementalHoareTripleChecker+Valid, 10656 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:18,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16125 Valid, 10953 Invalid, 20404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9747 Valid, 10656 Invalid, 1 Unknown, 0 Unchecked, 20.5s Time] [2021-12-18 09:07:18,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36447 states. [2021-12-18 09:07:19,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36447 to 26534. [2021-12-18 09:07:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26534 states, 18665 states have (on average 1.3697830163407447) internal successors, (25567), 19109 states have internal predecessors, (25567), 6319 states have call successors, (6319), 1135 states have call predecessors, (6319), 1549 states have return successors, (9905), 6740 states have call predecessors, (9905), 6310 states have call successors, (9905) [2021-12-18 09:07:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26534 states to 26534 states and 41791 transitions. [2021-12-18 09:07:20,130 INFO L78 Accepts]: Start accepts. Automaton has 26534 states and 41791 transitions. Word has length 524 [2021-12-18 09:07:20,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:07:20,131 INFO L470 AbstractCegarLoop]: Abstraction has 26534 states and 41791 transitions. [2021-12-18 09:07:20,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.0) internal successors, (140), 5 states have internal predecessors, (140), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-18 09:07:20,131 INFO L276 IsEmpty]: Start isEmpty. Operand 26534 states and 41791 transitions. [2021-12-18 09:07:20,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-12-18 09:07:20,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:07:20,144 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, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:20,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:07:20,145 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:07:20,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:07:20,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1596720718, now seen corresponding path program 1 times [2021-12-18 09:07:20,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:07:20,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710181440] [2021-12-18 09:07:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:07:20,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:07:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:07:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:07:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:07:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:07:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:07:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:07:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:07:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:07:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:07:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:07:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:07:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:07:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:07:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:07:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:07:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:07:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:07:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:07:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:07:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:07:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 09:07:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 09:07:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:07:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:07:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 09:07:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:07:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 09:07:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 09:07:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:07:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 09:07:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:07:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 09:07:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 09:07:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 09:07:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:07:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 09:07:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:07:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 09:07:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 09:07:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-18 09:07:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-18 09:07:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 09:07:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 09:07:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 09:07:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 09:07:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-18 09:07:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:07:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:07:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:07:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2021-12-18 09:07:21,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:07:21,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710181440] [2021-12-18 09:07:21,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710181440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:07:21,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:07:21,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 09:07:21,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270205309] [2021-12-18 09:07:21,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:07:21,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 09:07:21,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:07:21,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 09:07:21,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-18 09:07:21,748 INFO L87 Difference]: Start difference. First operand 26534 states and 41791 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 5 states have internal predecessors, (142), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-18 09:07:27,367 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 09:07:54,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:07:54,993 INFO L93 Difference]: Finished difference Result 132025 states and 262984 transitions. [2021-12-18 09:07:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 09:07:54,994 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 5 states have internal predecessors, (142), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) Word has length 526 [2021-12-18 09:07:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:07:56,231 INFO L225 Difference]: With dead ends: 132025 [2021-12-18 09:07:56,231 INFO L226 Difference]: Without dead ends: 105565 [2021-12-18 09:07:56,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2021-12-18 09:07:56,600 INFO L933 BasicCegarLoop]: 3306 mSDtfsCounter, 10277 mSDsluCounter, 8855 mSDsCounter, 0 mSdLazyCounter, 13513 mSolverCounterSat, 5300 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10899 SdHoareTripleChecker+Valid, 12161 SdHoareTripleChecker+Invalid, 18814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5300 IncrementalHoareTripleChecker+Valid, 13513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:07:56,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10899 Valid, 12161 Invalid, 18814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5300 Valid, 13513 Invalid, 1 Unknown, 0 Unchecked, 27.5s Time] [2021-12-18 09:07:56,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105565 states. [2021-12-18 09:08:01,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105565 to 70512. [2021-12-18 09:08:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70512 states, 48571 states have (on average 1.346132465874699) internal successors, (65383), 49659 states have internal predecessors, (65383), 17935 states have call successors, (17935), 2263 states have call predecessors, (17935), 4005 states have return successors, (44195), 19928 states have call predecessors, (44195), 17918 states have call successors, (44195) [2021-12-18 09:08:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70512 states to 70512 states and 127513 transitions. [2021-12-18 09:08:02,532 INFO L78 Accepts]: Start accepts. Automaton has 70512 states and 127513 transitions. Word has length 526 [2021-12-18 09:08:02,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:08:02,533 INFO L470 AbstractCegarLoop]: Abstraction has 70512 states and 127513 transitions. [2021-12-18 09:08:02,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 5 states have internal predecessors, (142), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-18 09:08:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 70512 states and 127513 transitions. [2021-12-18 09:08:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-12-18 09:08:02,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:08:02,545 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, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:08:02,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:08:02,546 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:08:02,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:08:02,546 INFO L85 PathProgramCache]: Analyzing trace with hash 24288585, now seen corresponding path program 1 times [2021-12-18 09:08:02,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:08:02,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014265606] [2021-12-18 09:08:02,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:08:02,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:08:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:08:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:08:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:08:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 09:08:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:08:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 09:08:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:08:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:08:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 09:08:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:08:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 09:08:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:08:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:08:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:08:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 09:08:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 09:08:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 09:08:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 09:08:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:08:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:08:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 09:08:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 09:08:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 09:08:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:08:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 09:08:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:08:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 09:08:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 09:08:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:08:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 09:08:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:08:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 09:08:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 09:08:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 09:08:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 09:08:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 09:08:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:08:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 09:08:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 09:08:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-18 09:08:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 09:08:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 09:08:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-18 09:08:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 09:08:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-12-18 09:08:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 09:08:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:08:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:08:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:08:04,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2318 trivial. 0 not checked. [2021-12-18 09:08:04,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:08:04,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014265606] [2021-12-18 09:08:04,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014265606] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:08:04,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:08:04,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 09:08:04,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293655642] [2021-12-18 09:08:04,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:08:04,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 09:08:04,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:08:04,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 09:08:04,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-18 09:08:04,236 INFO L87 Difference]: Start difference. First operand 70512 states and 127513 transitions. Second operand has 10 states, 10 states have (on average 14.3) internal successors, (143), 5 states have internal predecessors, (143), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2021-12-18 09:08:09,088 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 09:08:48,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:08:48,531 INFO L93 Difference]: Finished difference Result 408597 states and 1123380 transitions. [2021-12-18 09:08:48,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 09:08:48,532 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 5 states have internal predecessors, (143), 4 states have call successors, (55), 8 states have call predecessors, (55), 3 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) Word has length 527 [2021-12-18 09:08:48,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted.