./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--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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--net--ethernet--atheros--atl1e--atl1e.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 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:05:59,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:05:59,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:05:59,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:05:59,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:05:59,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:05:59,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:05:59,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:05:59,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:05:59,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:05:59,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:05:59,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:05:59,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:05:59,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:05:59,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:05:59,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:05:59,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:05:59,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:05:59,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:05:59,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:05:59,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:05:59,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:05:59,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:05:59,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:05:59,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:05:59,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:05:59,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:05:59,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:05:59,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:05:59,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:05:59,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:05:59,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:05:59,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:05:59,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:05:59,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:05:59,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:05:59,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:05:59,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:05:59,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:05:59,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:05:59,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:05:59,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 05:05:59,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:05:59,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:05:59,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:05:59,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:05:59,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:05:59,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:05:59,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:05:59,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:05:59,287 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:05:59,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:05:59,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 05:05:59,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:05:59,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:05:59,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:05:59,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:05:59,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:05:59,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:05:59,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:05:59,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:05:59,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:05:59,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:05:59,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:05:59,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:05:59,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:05:59,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:05:59,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 05:05:59,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 05:05:59,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:05:59,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:05:59,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:05:59,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:05:59,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2021-11-17 05:05:59,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:05:59,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:05:59,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:05:59,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:05:59,509 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:05:59,510 INFO L432 ainManager$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--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-11-17 05:05:59,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af7153ac/4286e558754b4e36b54a338fc2407102/FLAG0dd81378f [2021-11-17 05:06:00,216 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:06:00,216 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--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-11-17 05:06:00,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af7153ac/4286e558754b4e36b54a338fc2407102/FLAG0dd81378f [2021-11-17 05:06:00,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af7153ac/4286e558754b4e36b54a338fc2407102 [2021-11-17 05:06:00,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:06:00,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:06:00,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:06:00,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:06:00,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:06:00,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:06:00" (1/1) ... [2021-11-17 05:06:00,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393011b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:00, skipping insertion in model container [2021-11-17 05:06:00,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:06:00" (1/1) ... [2021-11-17 05:06:00,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:06:00,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:06:02,456 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--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2021-11-17 05:06:02,496 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:06:02,530 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:06:02,832 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--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2021-11-17 05:06:02,862 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:06:03,022 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:06:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03 WrapperNode [2021-11-17 05:06:03,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:06:03,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:06:03,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:06:03,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:06:03,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,258 INFO L137 Inliner]: procedures = 464, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7482 [2021-11-17 05:06:03,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:06:03,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:06:03,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:06:03,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:06:03,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:06:03,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:06:03,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:06:03,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:06:03,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (1/1) ... [2021-11-17 05:06:03,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:06:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:06:03,581 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) [2021-11-17 05:06:03,609 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 [2021-11-17 05:06:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 05:06:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 05:06:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 05:06:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 05:06:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2021-11-17 05:06:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2021-11-17 05:06:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:06:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:06:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2021-11-17 05:06:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2021-11-17 05:06:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-17 05:06:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-17 05:06:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 05:06:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 05:06:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:06:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:06:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:06:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:06:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2021-11-17 05:06:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2021-11-17 05:06:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 05:06:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 05:06:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2021-11-17 05:06:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2021-11-17 05:06:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2021-11-17 05:06:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2021-11-17 05:06:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-11-17 05:06:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-11-17 05:06:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 05:06:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 05:06:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 05:06:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 05:06:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 05:06:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 05:06:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 05:06:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 05:06:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2021-11-17 05:06:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2021-11-17 05:06:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2021-11-17 05:06:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2021-11-17 05:06:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 05:06:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 05:06:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2021-11-17 05:06:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2021-11-17 05:06:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 05:06:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 05:06:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 05:06:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 05:06:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 05:06:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 05:06:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 05:06:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 05:06:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2021-11-17 05:06:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2021-11-17 05:06:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 05:06:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 05:06:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 05:06:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 05:06:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:06:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-17 05:06:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-17 05:06:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2021-11-17 05:06:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2021-11-17 05:06:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 05:06:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 05:06:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2021-11-17 05:06:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2021-11-17 05:06:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 05:06:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 05:06:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 05:06:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 05:06:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 05:06:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 05:06:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 05:06:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2021-11-17 05:06:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2021-11-17 05:06:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 05:06:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 05:06:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 05:06:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 05:06:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2021-11-17 05:06:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2021-11-17 05:06:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 05:06:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2021-11-17 05:06:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2021-11-17 05:06:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 05:06:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 05:06:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 05:06:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-17 05:06:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-17 05:06:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:06:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:06:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-17 05:06:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-17 05:06:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-17 05:06:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-17 05:06:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 05:06:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 05:06:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2021-11-17 05:06:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2021-11-17 05:06:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 05:06:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 05:06:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 05:06:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 05:06:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2021-11-17 05:06:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2021-11-17 05:06:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:06:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:06:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:06:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2021-11-17 05:06:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2021-11-17 05:06:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:06:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 05:06:03,642 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 05:06:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2021-11-17 05:06:03,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2021-11-17 05:06:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 05:06:03,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 05:06:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:06:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 05:06:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 05:06:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 05:06:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2021-11-17 05:06:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2021-11-17 05:06:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-17 05:06:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-17 05:06:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2021-11-17 05:06:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2021-11-17 05:06:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 05:06:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 05:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 05:06:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 05:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 05:06:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 05:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2021-11-17 05:06:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2021-11-17 05:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2021-11-17 05:06:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2021-11-17 05:06:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 05:06:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 05:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 05:06:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 05:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 05:06:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 05:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2021-11-17 05:06:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2021-11-17 05:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 05:06:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 05:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 05:06:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 05:06:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:06:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:06:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-17 05:06:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-17 05:06:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 05:06:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 05:06:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:06:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:06:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:06:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:06:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 05:06:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 05:06:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 05:06:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 05:06:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 05:06:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 05:06:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2021-11-17 05:06:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2021-11-17 05:06:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2021-11-17 05:06:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2021-11-17 05:06:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:06:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:06:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 05:06:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 05:06:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-17 05:06:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-17 05:06:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 05:06:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 05:06:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2021-11-17 05:06:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2021-11-17 05:06:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 05:06:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 05:06:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:06:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:06:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2021-11-17 05:06:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2021-11-17 05:06:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:06:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:06:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 05:06:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 05:06:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 05:06:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 05:06:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2021-11-17 05:06:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2021-11-17 05:06:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:06:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 05:06:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 05:06:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 05:06:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 05:06:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 05:06:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 05:06:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2021-11-17 05:06:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2021-11-17 05:06:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:06:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2021-11-17 05:06:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2021-11-17 05:06:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2021-11-17 05:06:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2021-11-17 05:06:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 05:06:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 05:06:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 05:06:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 05:06:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2021-11-17 05:06:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2021-11-17 05:06:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:06:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-11-17 05:06:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-11-17 05:06:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2021-11-17 05:06:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2021-11-17 05:06:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 05:06:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 05:06:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-17 05:06:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-17 05:06:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 05:06:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 05:06:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 05:06:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 05:06:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 05:06:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 05:06:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 05:06:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 05:06:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 05:06:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 05:06:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2021-11-17 05:06:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2021-11-17 05:06:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2021-11-17 05:06:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2021-11-17 05:06:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2021-11-17 05:06:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2021-11-17 05:06:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2021-11-17 05:06:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2021-11-17 05:06:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2021-11-17 05:06:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2021-11-17 05:06:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 05:06:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 05:06:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-17 05:06:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-17 05:06:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 05:06:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 05:06:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-11-17 05:06:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-11-17 05:06:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-17 05:06:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-17 05:06:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2021-11-17 05:06:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2021-11-17 05:06:03,669 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 05:06:03,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 05:06:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 05:06:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2021-11-17 05:06:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2021-11-17 05:06:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2021-11-17 05:06:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2021-11-17 05:06:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:06:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:06:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2021-11-17 05:06:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2021-11-17 05:06:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2021-11-17 05:06:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2021-11-17 05:06:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 05:06:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 05:06:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:06:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:06:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 05:06:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 05:06:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2021-11-17 05:06:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2021-11-17 05:06:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 05:06:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 05:06:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2021-11-17 05:06:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2021-11-17 05:06:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 05:06:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 05:06:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-17 05:06:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-17 05:06:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2021-11-17 05:06:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2021-11-17 05:06:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-17 05:06:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-17 05:06:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 05:06:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 05:06:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2021-11-17 05:06:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2021-11-17 05:06:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 05:06:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 05:06:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 05:06:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 05:06:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2021-11-17 05:06:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2021-11-17 05:06:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-17 05:06:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-17 05:06:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 05:06:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 05:06:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 05:06:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 05:06:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 05:06:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-17 05:06:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-17 05:06:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2021-11-17 05:06:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2021-11-17 05:06:03,675 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2021-11-17 05:06:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2021-11-17 05:06:04,425 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:06:04,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:06:04,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 05:06:11,747 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 05:06:11,759 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 05:06:11,759 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 05:06:11,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:06:11 BoogieIcfgContainer [2021-11-17 05:06:11,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 05:06:11,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 05:06:11,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 05:06:11,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 05:06:11,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:06:00" (1/3) ... [2021-11-17 05:06:11,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f96c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:06:11, skipping insertion in model container [2021-11-17 05:06:11,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:03" (2/3) ... [2021-11-17 05:06:11,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f96c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:06:11, skipping insertion in model container [2021-11-17 05:06:11,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:06:11" (3/3) ... [2021-11-17 05:06:11,768 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2021-11-17 05:06:11,771 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 05:06:11,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 05:06:11,804 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 05:06:11,808 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 [2021-11-17 05:06:11,808 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 05:06:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) [2021-11-17 05:06:11,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-17 05:06:11,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:06:11,859 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:06:11,859 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:06:11,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:06:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1343496821, now seen corresponding path program 1 times [2021-11-17 05:06:11,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:06:11,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330309001] [2021-11-17 05:06:11,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:06:11,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:06:12,181 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 05:06:12,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621790089] [2021-11-17 05:06:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:06:12,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:06:12,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:06:12,193 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) [2021-11-17 05:06:12,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 05:06:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:13,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 05:06:13,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:06:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-17 05:06:13,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:06:13,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:06:13,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330309001] [2021-11-17 05:06:13,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 05:06:13,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621790089] [2021-11-17 05:06:13,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621790089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:06:13,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:06:13,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 05:06:13,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357892341] [2021-11-17 05:06:13,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:06:13,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 05:06:13,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:06:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 05:06:13,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:06:13,564 INFO L87 Difference]: Start difference. First operand has 2730 states, 1872 states have (on average 1.3178418803418803) internal successors, (2467), 1910 states have internal predecessors, (2467), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 05:06:13,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:06:13,937 INFO L93 Difference]: Finished difference Result 7516 states and 10737 transitions. [2021-11-17 05:06:13,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 05:06:13,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 175 [2021-11-17 05:06:13,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:06:13,971 INFO L225 Difference]: With dead ends: 7516 [2021-11-17 05:06:13,971 INFO L226 Difference]: Without dead ends: 4738 [2021-11-17 05:06:13,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:06:13,988 INFO L933 BasicCegarLoop]: 4332 mSDtfsCounter, 2950 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 8028 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 05:06:13,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2950 Valid, 8028 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 05:06:14,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2021-11-17 05:06:14,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4688. [2021-11-17 05:06:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4688 states, 3247 states have (on average 1.312596242685556) internal successors, (4262), 3296 states have internal predecessors, (4262), 1185 states have call successors, (1185), 257 states have call predecessors, (1185), 255 states have return successors, (1184), 1169 states have call predecessors, (1184), 1184 states have call successors, (1184) [2021-11-17 05:06:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 6631 transitions. [2021-11-17 05:06:14,187 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 6631 transitions. Word has length 175 [2021-11-17 05:06:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:06:14,188 INFO L470 AbstractCegarLoop]: Abstraction has 4688 states and 6631 transitions. [2021-11-17 05:06:14,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 05:06:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 6631 transitions. [2021-11-17 05:06:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-17 05:06:14,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:06:14,196 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:06:14,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-17 05:06:14,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-17 05:06:14,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:06:14,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:06:14,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1325061642, now seen corresponding path program 1 times [2021-11-17 05:06:14,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:06:14,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797275059] [2021-11-17 05:06:14,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:06:14,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:06:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:06:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:06:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:06:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:06:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:06:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:06:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:06:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:06:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:06:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:06:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 05:06:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 05:06:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 05:06:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 05:06:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 05:06:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 05:06:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-11-17 05:06:15,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:06:15,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797275059] [2021-11-17 05:06:15,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797275059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:06:15,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:06:15,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 05:06:15,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002819005] [2021-11-17 05:06:15,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:06:15,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 05:06:15,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:06:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 05:06:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 05:06:15,124 INFO L87 Difference]: Start difference. First operand 4688 states and 6631 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 05:06:17,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:21,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:25,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:27,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:29,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:32,109 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:34,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:06:35,916 INFO L93 Difference]: Finished difference Result 14594 states and 20907 transitions. [2021-11-17 05:06:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:06:35,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 251 [2021-11-17 05:06:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:06:35,963 INFO L225 Difference]: With dead ends: 14594 [2021-11-17 05:06:35,964 INFO L226 Difference]: Without dead ends: 9937 [2021-11-17 05:06:35,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:06:35,983 INFO L933 BasicCegarLoop]: 4048 mSDtfsCounter, 8187 mSDsluCounter, 4661 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 5745 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8619 SdHoareTripleChecker+Valid, 8709 SdHoareTripleChecker+Invalid, 8861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5745 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:06:35,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8619 Valid, 8709 Invalid, 8861 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5745 Valid, 3112 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2021-11-17 05:06:35,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9937 states. [2021-11-17 05:06:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9937 to 8702. [2021-11-17 05:06:36,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8702 states, 6035 states have (on average 1.3108533554266777) internal successors, (7911), 6129 states have internal predecessors, (7911), 2170 states have call successors, (2170), 499 states have call predecessors, (2170), 496 states have return successors, (2169), 2139 states have call predecessors, (2169), 2169 states have call successors, (2169) [2021-11-17 05:06:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8702 states to 8702 states and 12250 transitions. [2021-11-17 05:06:36,273 INFO L78 Accepts]: Start accepts. Automaton has 8702 states and 12250 transitions. Word has length 251 [2021-11-17 05:06:36,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:06:36,275 INFO L470 AbstractCegarLoop]: Abstraction has 8702 states and 12250 transitions. [2021-11-17 05:06:36,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 05:06:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8702 states and 12250 transitions. [2021-11-17 05:06:36,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-17 05:06:36,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:06:36,288 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-11-17 05:06:36,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 05:06:36,290 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:06:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:06:36,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1856672465, now seen corresponding path program 1 times [2021-11-17 05:06:36,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:06:36,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921200852] [2021-11-17 05:06:36,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:06:36,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:06:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:06:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:06:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:06:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:06:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:06:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:06:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:06:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:06:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:06:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:06:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:06:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 05:06:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 05:06:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 05:06:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 05:06:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 05:06:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 05:06:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:06:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 05:06:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 05:06:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 05:06:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 05:06:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2021-11-17 05:06:37,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:06:37,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921200852] [2021-11-17 05:06:37,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921200852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:06:37,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:06:37,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:06:37,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210951816] [2021-11-17 05:06:37,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:06:37,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:06:37,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:06:37,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:06:37,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:06:37,083 INFO L87 Difference]: Start difference. First operand 8702 states and 12250 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 05:06:39,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:41,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:47,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:06:51,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:06:51,967 INFO L93 Difference]: Finished difference Result 19284 states and 27850 transitions. [2021-11-17 05:06:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:06:51,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 358 [2021-11-17 05:06:51,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:06:52,062 INFO L225 Difference]: With dead ends: 19284 [2021-11-17 05:06:52,062 INFO L226 Difference]: Without dead ends: 19281 [2021-11-17 05:06:52,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:06:52,081 INFO L933 BasicCegarLoop]: 4388 mSDtfsCounter, 9736 mSDsluCounter, 6462 mSDsCounter, 0 mSdLazyCounter, 4412 mSolverCounterSat, 7734 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10256 SdHoareTripleChecker+Valid, 10850 SdHoareTripleChecker+Invalid, 12149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7734 IncrementalHoareTripleChecker+Valid, 4412 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:06:52,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10256 Valid, 10850 Invalid, 12149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7734 Valid, 4412 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2021-11-17 05:06:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19281 states. [2021-11-17 05:06:52,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19281 to 17182. [2021-11-17 05:06:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17182 states, 11958 states have (on average 1.3131794614484027) internal successors, (15703), 12128 states have internal predecessors, (15703), 4250 states have call successors, (4250), 968 states have call predecessors, (4250), 973 states have return successors, (4317), 4203 states have call predecessors, (4317), 4249 states have call successors, (4317) [2021-11-17 05:06:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17182 states to 17182 states and 24270 transitions. [2021-11-17 05:06:52,779 INFO L78 Accepts]: Start accepts. Automaton has 17182 states and 24270 transitions. Word has length 358 [2021-11-17 05:06:52,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:06:52,781 INFO L470 AbstractCegarLoop]: Abstraction has 17182 states and 24270 transitions. [2021-11-17 05:06:52,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 05:06:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 17182 states and 24270 transitions. [2021-11-17 05:06:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-11-17 05:06:52,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:06:52,821 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:06:52,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 05:06:52,822 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:06:52,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:06:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash -437176915, now seen corresponding path program 1 times [2021-11-17 05:06:52,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:06:52,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545995065] [2021-11-17 05:06:52,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:06:52,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:06:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:06:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:06:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:06:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:06:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:06:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:06:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:06:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:06:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:06:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:06:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 05:06:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 05:06:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:06:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 05:06:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 05:06:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 05:06:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 05:06:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 05:06:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 05:06:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 05:06:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 05:06:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 05:06:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 05:06:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 05:06:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:06:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 05:06:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 05:06:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 05:06:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 05:06:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 05:06:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 05:06:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 05:06:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 05:06:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 05:06:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 05:06:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 05:06:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:06:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 05:06:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 05:06:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 05:06:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 05:06:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 05:06:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 05:06:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:06:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 05:06:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 05:06:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:06:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-17 05:06:53,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:06:53,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545995065] [2021-11-17 05:06:53,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545995065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:06:53,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:06:53,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:06:53,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282370590] [2021-11-17 05:06:53,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:06:53,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:06:53,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:06:53,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:06:53,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:06:53,471 INFO L87 Difference]: Start difference. First operand 17182 states and 24270 transitions. Second operand has 8 states, 8 states have (on average 29.375) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 05:06:55,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:00,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:04,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:07,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:07:07,710 INFO L93 Difference]: Finished difference Result 51139 states and 73076 transitions. [2021-11-17 05:07:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:07:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.375) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 475 [2021-11-17 05:07:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:07:07,838 INFO L225 Difference]: With dead ends: 51139 [2021-11-17 05:07:07,839 INFO L226 Difference]: Without dead ends: 33988 [2021-11-17 05:07:07,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:07:07,903 INFO L933 BasicCegarLoop]: 4785 mSDtfsCounter, 6103 mSDsluCounter, 7191 mSDsCounter, 0 mSdLazyCounter, 4932 mSolverCounterSat, 3693 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6748 SdHoareTripleChecker+Valid, 11976 SdHoareTripleChecker+Invalid, 8627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3693 IncrementalHoareTripleChecker+Valid, 4932 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:07:07,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6748 Valid, 11976 Invalid, 8627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3693 Valid, 4932 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2021-11-17 05:07:07,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33988 states. [2021-11-17 05:07:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33988 to 30196. [2021-11-17 05:07:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30196 states, 21043 states have (on average 1.3119327092144657) internal successors, (27607), 21319 states have internal predecessors, (27607), 7392 states have call successors, (7392), 1747 states have call predecessors, (7392), 1760 states have return successors, (7527), 7325 states have call predecessors, (7527), 7391 states have call successors, (7527) [2021-11-17 05:07:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30196 states to 30196 states and 42526 transitions. [2021-11-17 05:07:08,913 INFO L78 Accepts]: Start accepts. Automaton has 30196 states and 42526 transitions. Word has length 475 [2021-11-17 05:07:08,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:07:08,915 INFO L470 AbstractCegarLoop]: Abstraction has 30196 states and 42526 transitions. [2021-11-17 05:07:08,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.375) internal successors, (235), 3 states have internal predecessors, (235), 2 states have call successors, (53), 7 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 05:07:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30196 states and 42526 transitions. [2021-11-17 05:07:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-17 05:07:08,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:07:08,978 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:07:08,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 05:07:08,979 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:07:08,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:07:08,979 INFO L85 PathProgramCache]: Analyzing trace with hash -494377388, now seen corresponding path program 1 times [2021-11-17 05:07:08,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:07:08,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251511359] [2021-11-17 05:07:08,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:07:08,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:07:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:07:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:07:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:07:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:07:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:07:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:07:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:07:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:07:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:07:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:07:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:07:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 05:07:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 05:07:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 05:07:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:07:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 05:07:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 05:07:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 05:07:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 05:07:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 05:07:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:07:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 05:07:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 05:07:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 05:07:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 05:07:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:07:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 05:07:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 05:07:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:07:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 05:07:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:07:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 05:07:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 05:07:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 05:07:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 05:07:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-17 05:07:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 05:07:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 05:07:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 05:07:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 05:07:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 05:07:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:07:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 05:07:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 05:07:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 05:07:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-11-17 05:07:09,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:07:09,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251511359] [2021-11-17 05:07:09,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251511359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:07:09,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:07:09,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:07:09,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075401605] [2021-11-17 05:07:09,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:07:09,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:07:09,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:07:09,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:07:09,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:07:09,577 INFO L87 Difference]: Start difference. First operand 30196 states and 42526 transitions. Second operand has 8 states, 8 states have (on average 31.75) internal successors, (254), 3 states have internal predecessors, (254), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 05:07:11,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:13,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:18,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:22,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:24,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:07:24,957 INFO L93 Difference]: Finished difference Result 64126 states and 91299 transitions. [2021-11-17 05:07:24,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 05:07:24,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 31.75) internal successors, (254), 3 states have internal predecessors, (254), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 510 [2021-11-17 05:07:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:07:25,099 INFO L225 Difference]: With dead ends: 64126 [2021-11-17 05:07:25,099 INFO L226 Difference]: Without dead ends: 33975 [2021-11-17 05:07:25,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:07:25,190 INFO L933 BasicCegarLoop]: 3545 mSDtfsCounter, 7735 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 2204 mSolverCounterSat, 5541 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8238 SdHoareTripleChecker+Valid, 6595 SdHoareTripleChecker+Invalid, 7748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5541 IncrementalHoareTripleChecker+Valid, 2204 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:07:25,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8238 Valid, 6595 Invalid, 7748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5541 Valid, 2204 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2021-11-17 05:07:25,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33975 states. [2021-11-17 05:07:26,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33975 to 30172. [2021-11-17 05:07:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30172 states, 21019 states have (on average 1.3119082734668632) internal successors, (27575), 21299 states have internal predecessors, (27575), 7392 states have call successors, (7392), 1747 states have call predecessors, (7392), 1760 states have return successors, (7527), 7321 states have call predecessors, (7527), 7391 states have call successors, (7527) [2021-11-17 05:07:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30172 states to 30172 states and 42494 transitions. [2021-11-17 05:07:26,294 INFO L78 Accepts]: Start accepts. Automaton has 30172 states and 42494 transitions. Word has length 510 [2021-11-17 05:07:26,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:07:26,297 INFO L470 AbstractCegarLoop]: Abstraction has 30172 states and 42494 transitions. [2021-11-17 05:07:26,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 31.75) internal successors, (254), 3 states have internal predecessors, (254), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 05:07:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 30172 states and 42494 transitions. [2021-11-17 05:07:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2021-11-17 05:07:26,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:07:26,350 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:07:26,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 05:07:26,350 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:07:26,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:07:26,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1753705096, now seen corresponding path program 1 times [2021-11-17 05:07:26,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:07:26,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616301822] [2021-11-17 05:07:26,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:07:26,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:07:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:07:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:07:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:07:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:07:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:07:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:07:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:07:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:07:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:07:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:07:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:07:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 05:07:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 05:07:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 05:07:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 05:07:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 05:07:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 05:07:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:07:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 05:07:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 05:07:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 05:07:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 05:07:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 05:07:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 05:07:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 05:07:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:07:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 05:07:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 05:07:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 05:07:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 05:07:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:07:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 05:07:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 05:07:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 05:07:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:07:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 05:07:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 05:07:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 05:07:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 05:07:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 05:07:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 05:07:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 05:07:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 05:07:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 05:07:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 05:07:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 05:07:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 05:07:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 05:07:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 05:07:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-11-17 05:07:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-17 05:07:27,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:07:27,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616301822] [2021-11-17 05:07:27,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616301822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:07:27,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:07:27,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 05:07:27,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485426732] [2021-11-17 05:07:27,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:07:27,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 05:07:27,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:07:27,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 05:07:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:07:27,202 INFO L87 Difference]: Start difference. First operand 30172 states and 42494 transitions. Second operand has 10 states, 10 states have (on average 26.1) internal successors, (261), 5 states have internal predecessors, (261), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 05:07:29,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:31,293 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:36,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:40,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:42,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:44,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:47,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:07:50,689 INFO L93 Difference]: Finished difference Result 81694 states and 120731 transitions. [2021-11-17 05:07:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 05:07:50,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.1) internal successors, (261), 5 states have internal predecessors, (261), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 582 [2021-11-17 05:07:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:07:50,892 INFO L225 Difference]: With dead ends: 81694 [2021-11-17 05:07:50,893 INFO L226 Difference]: Without dead ends: 51567 [2021-11-17 05:07:50,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-17 05:07:50,973 INFO L933 BasicCegarLoop]: 5317 mSDtfsCounter, 8383 mSDsluCounter, 16181 mSDsCounter, 0 mSdLazyCounter, 6415 mSolverCounterSat, 5363 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8635 SdHoareTripleChecker+Valid, 21498 SdHoareTripleChecker+Invalid, 11782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5363 IncrementalHoareTripleChecker+Valid, 6415 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-11-17 05:07:50,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8635 Valid, 21498 Invalid, 11782 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5363 Valid, 6415 Invalid, 4 Unknown, 0 Unchecked, 21.9s Time] [2021-11-17 05:07:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51567 states. [2021-11-17 05:07:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51567 to 30196. [2021-11-17 05:07:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30196 states, 21043 states have (on average 1.311552535284893) internal successors, (27599), 21323 states have internal predecessors, (27599), 7392 states have call successors, (7392), 1747 states have call predecessors, (7392), 1760 states have return successors, (7527), 7321 states have call predecessors, (7527), 7391 states have call successors, (7527) [2021-11-17 05:07:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30196 states to 30196 states and 42518 transitions. [2021-11-17 05:07:52,509 INFO L78 Accepts]: Start accepts. Automaton has 30196 states and 42518 transitions. Word has length 582 [2021-11-17 05:07:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:07:52,510 INFO L470 AbstractCegarLoop]: Abstraction has 30196 states and 42518 transitions. [2021-11-17 05:07:52,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.1) internal successors, (261), 5 states have internal predecessors, (261), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 05:07:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30196 states and 42518 transitions. [2021-11-17 05:07:52,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2021-11-17 05:07:52,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:07:52,565 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:07:52,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 05:07:52,565 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:07:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:07:52,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1076911290, now seen corresponding path program 1 times [2021-11-17 05:07:52,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:07:52,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754917179] [2021-11-17 05:07:52,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:07:52,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:07:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:07:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:07:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:07:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:07:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:07:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:07:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:07:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:07:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:07:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:07:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:07:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 05:07:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 05:07:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 05:07:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 05:07:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 05:07:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 05:07:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:07:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 05:07:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 05:07:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 05:07:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 05:07:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 05:07:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 05:07:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 05:07:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:07:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 05:07:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 05:07:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 05:07:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 05:07:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:07:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 05:07:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 05:07:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 05:07:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:07:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 05:07:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 05:07:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 05:07:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 05:07:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 05:07:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 05:07:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 05:07:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:07:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 05:07:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 05:07:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 05:07:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 05:07:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 05:07:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 05:07:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:07:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 05:07:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-11-17 05:07:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:07:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-17 05:07:53,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:07:53,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754917179] [2021-11-17 05:07:53,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754917179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:07:53,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:07:53,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 05:07:53,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145532382] [2021-11-17 05:07:53,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:07:53,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 05:07:53,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:07:53,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 05:07:53,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:07:53,690 INFO L87 Difference]: Start difference. First operand 30196 states and 42518 transitions. Second operand has 9 states, 9 states have (on average 29.0) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 05:07:55,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:07:57,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:05,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:09,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:10,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:08:10,486 INFO L93 Difference]: Finished difference Result 65752 states and 93973 transitions. [2021-11-17 05:08:10,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:08:10,487 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 29.0) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 582 [2021-11-17 05:08:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:08:10,611 INFO L225 Difference]: With dead ends: 65752 [2021-11-17 05:08:10,611 INFO L226 Difference]: Without dead ends: 35601 [2021-11-17 05:08:10,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:08:10,678 INFO L933 BasicCegarLoop]: 4545 mSDtfsCounter, 5821 mSDsluCounter, 9606 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 4484 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 14151 SdHoareTripleChecker+Invalid, 9014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4484 IncrementalHoareTripleChecker+Valid, 4527 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-17 05:08:10,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6076 Valid, 14151 Invalid, 9014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4484 Valid, 4527 Invalid, 3 Unknown, 0 Unchecked, 15.7s Time] [2021-11-17 05:08:10,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35601 states. [2021-11-17 05:08:11,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35601 to 30196. [2021-11-17 05:08:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30196 states, 21043 states have (on average 1.3111723613553201) internal successors, (27591), 21323 states have internal predecessors, (27591), 7392 states have call successors, (7392), 1747 states have call predecessors, (7392), 1760 states have return successors, (7527), 7321 states have call predecessors, (7527), 7391 states have call successors, (7527) [2021-11-17 05:08:11,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30196 states to 30196 states and 42510 transitions. [2021-11-17 05:08:11,792 INFO L78 Accepts]: Start accepts. Automaton has 30196 states and 42510 transitions. Word has length 582 [2021-11-17 05:08:11,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:08:11,794 INFO L470 AbstractCegarLoop]: Abstraction has 30196 states and 42510 transitions. [2021-11-17 05:08:11,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.0) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 05:08:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 30196 states and 42510 transitions. [2021-11-17 05:08:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2021-11-17 05:08:11,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:08:11,843 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:08:11,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 05:08:11,844 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:08:11,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:08:11,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1733883895, now seen corresponding path program 1 times [2021-11-17 05:08:11,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:08:11,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050972745] [2021-11-17 05:08:11,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:11,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:08:12,091 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 05:08:12,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964324364] [2021-11-17 05:08:12,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:12,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:08:12,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:08:12,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:08:12,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 05:08:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:13,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 5720 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 05:08:13,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:08:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2021-11-17 05:08:14,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:08:14,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:08:14,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050972745] [2021-11-17 05:08:14,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 05:08:14,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964324364] [2021-11-17 05:08:14,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964324364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:08:14,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:08:14,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 05:08:14,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271360414] [2021-11-17 05:08:14,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:08:14,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 05:08:14,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:08:14,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 05:08:14,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:14,221 INFO L87 Difference]: Start difference. First operand 30196 states and 42510 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2021-11-17 05:08:15,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:08:15,002 INFO L93 Difference]: Finished difference Result 60539 states and 85686 transitions. [2021-11-17 05:08:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 05:08:15,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 609 [2021-11-17 05:08:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:08:15,209 INFO L225 Difference]: With dead ends: 60539 [2021-11-17 05:08:15,209 INFO L226 Difference]: Without dead ends: 30388 [2021-11-17 05:08:15,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:15,264 INFO L933 BasicCegarLoop]: 3823 mSDtfsCounter, 15 mSDsluCounter, 3807 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 7630 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 05:08:15,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 7630 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 05:08:15,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30388 states. [2021-11-17 05:08:16,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30388 to 30292. [2021-11-17 05:08:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30292 states, 21123 states have (on average 1.3107513137338447) internal successors, (27687), 21403 states have internal predecessors, (27687), 7408 states have call successors, (7408), 1747 states have call predecessors, (7408), 1760 states have return successors, (7543), 7337 states have call predecessors, (7543), 7407 states have call successors, (7543) [2021-11-17 05:08:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30292 states to 30292 states and 42638 transitions. [2021-11-17 05:08:16,325 INFO L78 Accepts]: Start accepts. Automaton has 30292 states and 42638 transitions. Word has length 609 [2021-11-17 05:08:16,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:08:16,326 INFO L470 AbstractCegarLoop]: Abstraction has 30292 states and 42638 transitions. [2021-11-17 05:08:16,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2021-11-17 05:08:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 30292 states and 42638 transitions. [2021-11-17 05:08:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-11-17 05:08:16,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:08:16,383 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:08:16,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 05:08:16,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-17 05:08:16,600 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:08:16,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:08:16,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2016370181, now seen corresponding path program 1 times [2021-11-17 05:08:16,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:08:16,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640303805] [2021-11-17 05:08:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:16,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:08:16,924 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 05:08:16,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787032614] [2021-11-17 05:08:16,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:16,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:08:16,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:08:16,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:08:16,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 05:08:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:18,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 5743 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 05:08:18,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:08:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2021-11-17 05:08:19,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:08:19,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:08:19,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640303805] [2021-11-17 05:08:19,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 05:08:19,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787032614] [2021-11-17 05:08:19,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787032614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:08:19,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:08:19,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 05:08:19,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029724043] [2021-11-17 05:08:19,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:08:19,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 05:08:19,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:08:19,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 05:08:19,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:19,053 INFO L87 Difference]: Start difference. First operand 30292 states and 42638 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-17 05:08:20,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:08:20,150 INFO L93 Difference]: Finished difference Result 73910 states and 104145 transitions. [2021-11-17 05:08:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 05:08:20,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 616 [2021-11-17 05:08:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:08:20,290 INFO L225 Difference]: With dead ends: 73910 [2021-11-17 05:08:20,290 INFO L226 Difference]: Without dead ends: 43663 [2021-11-17 05:08:20,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:20,368 INFO L933 BasicCegarLoop]: 4315 mSDtfsCounter, 3057 mSDsluCounter, 3616 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 7931 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:08:20,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3057 Valid, 7931 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 05:08:20,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43663 states. [2021-11-17 05:08:21,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43663 to 43428. [2021-11-17 05:08:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43428 states, 30389 states have (on average 1.3138306624107408) internal successors, (39926), 30795 states have internal predecessors, (39926), 10493 states have call successors, (10493), 2526 states have call predecessors, (10493), 2545 states have return successors, (10676), 10382 states have call predecessors, (10676), 10492 states have call successors, (10676) [2021-11-17 05:08:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43428 states to 43428 states and 61095 transitions. [2021-11-17 05:08:22,029 INFO L78 Accepts]: Start accepts. Automaton has 43428 states and 61095 transitions. Word has length 616 [2021-11-17 05:08:22,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:08:22,030 INFO L470 AbstractCegarLoop]: Abstraction has 43428 states and 61095 transitions. [2021-11-17 05:08:22,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 3 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-17 05:08:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 43428 states and 61095 transitions. [2021-11-17 05:08:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2021-11-17 05:08:22,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:08:22,095 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:08:22,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-17 05:08:22,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:08:22,312 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:08:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:08:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2073396572, now seen corresponding path program 1 times [2021-11-17 05:08:22,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:08:22,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127813825] [2021-11-17 05:08:22,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:22,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:08:22,544 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 05:08:22,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703965404] [2021-11-17 05:08:22,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:22,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:08:22,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:08:22,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:08:22,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 05:08:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:23,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 5804 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 05:08:23,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:08:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2021-11-17 05:08:24,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:08:24,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:08:24,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127813825] [2021-11-17 05:08:24,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 05:08:24,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703965404] [2021-11-17 05:08:24,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703965404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:08:24,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:08:24,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 05:08:24,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935923530] [2021-11-17 05:08:24,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:08:24,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 05:08:24,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:08:24,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 05:08:24,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:24,583 INFO L87 Difference]: Start difference. First operand 43428 states and 61095 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-17 05:08:26,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:08:26,228 INFO L93 Difference]: Finished difference Result 100554 states and 141557 transitions. [2021-11-17 05:08:26,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 05:08:26,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 640 [2021-11-17 05:08:26,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:08:26,416 INFO L225 Difference]: With dead ends: 100554 [2021-11-17 05:08:26,416 INFO L226 Difference]: Without dead ends: 57171 [2021-11-17 05:08:26,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:26,518 INFO L933 BasicCegarLoop]: 4300 mSDtfsCounter, 3245 mSDsluCounter, 3509 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 7809 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:08:26,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3245 Valid, 7809 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 05:08:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57171 states. [2021-11-17 05:08:28,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57171 to 56936. [2021-11-17 05:08:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56936 states, 39903 states have (on average 1.3177705936896975) internal successors, (52583), 40451 states have internal predecessors, (52583), 13666 states have call successors, (13666), 3341 states have call predecessors, (13666), 3366 states have return successors, (13897), 13515 states have call predecessors, (13897), 13665 states have call successors, (13897) [2021-11-17 05:08:28,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56936 states to 56936 states and 80146 transitions. [2021-11-17 05:08:28,603 INFO L78 Accepts]: Start accepts. Automaton has 56936 states and 80146 transitions. Word has length 640 [2021-11-17 05:08:28,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:08:28,605 INFO L470 AbstractCegarLoop]: Abstraction has 56936 states and 80146 transitions. [2021-11-17 05:08:28,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-17 05:08:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 56936 states and 80146 transitions. [2021-11-17 05:08:28,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2021-11-17 05:08:28,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:08:28,694 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:08:28,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 05:08:28,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:08:28,920 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:08:28,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:08:28,921 INFO L85 PathProgramCache]: Analyzing trace with hash -57993256, now seen corresponding path program 1 times [2021-11-17 05:08:28,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:08:28,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161143034] [2021-11-17 05:08:28,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:28,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:08:29,081 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 05:08:29,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229528874] [2021-11-17 05:08:29,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:29,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:08:29,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:08:29,083 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:08:29,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 05:08:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:30,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 5910 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 05:08:30,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:08:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 989 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 912 trivial. 0 not checked. [2021-11-17 05:08:31,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:08:31,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:08:31,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161143034] [2021-11-17 05:08:31,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 05:08:31,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229528874] [2021-11-17 05:08:31,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229528874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:08:31,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:08:31,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 05:08:31,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627044041] [2021-11-17 05:08:31,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:08:31,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 05:08:31,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:08:31,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 05:08:31,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:31,237 INFO L87 Difference]: Start difference. First operand 56936 states and 80146 transitions. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 2 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2021-11-17 05:08:33,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:35,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:08:35,122 INFO L93 Difference]: Finished difference Result 114062 states and 160512 transitions. [2021-11-17 05:08:35,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 05:08:35,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 2 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 670 [2021-11-17 05:08:35,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:08:35,463 INFO L225 Difference]: With dead ends: 114062 [2021-11-17 05:08:35,463 INFO L226 Difference]: Without dead ends: 57171 [2021-11-17 05:08:35,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 668 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:08:35,575 INFO L933 BasicCegarLoop]: 6808 mSDtfsCounter, 3540 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3540 SdHoareTripleChecker+Valid, 10012 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-17 05:08:35,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3540 Valid, 10012 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 135 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-17 05:08:35,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57171 states. [2021-11-17 05:08:37,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57171 to 56936. [2021-11-17 05:08:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56936 states, 39903 states have (on average 1.3131594115730647) internal successors, (52399), 40451 states have internal predecessors, (52399), 13666 states have call successors, (13666), 3341 states have call predecessors, (13666), 3366 states have return successors, (13897), 13515 states have call predecessors, (13897), 13665 states have call successors, (13897) [2021-11-17 05:08:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56936 states to 56936 states and 79962 transitions. [2021-11-17 05:08:37,610 INFO L78 Accepts]: Start accepts. Automaton has 56936 states and 79962 transitions. Word has length 670 [2021-11-17 05:08:37,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:08:37,611 INFO L470 AbstractCegarLoop]: Abstraction has 56936 states and 79962 transitions. [2021-11-17 05:08:37,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 2 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2021-11-17 05:08:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 56936 states and 79962 transitions. [2021-11-17 05:08:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2021-11-17 05:08:37,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:08:37,696 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:08:37,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 05:08:37,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-17 05:08:37,912 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:08:37,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:08:37,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1151728871, now seen corresponding path program 1 times [2021-11-17 05:08:37,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:08:37,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919520020] [2021-11-17 05:08:37,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:08:37,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:08:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:08:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:08:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:08:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:08:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:08:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:08:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:08:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:08:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:08:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:08:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:08:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 05:08:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 05:08:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 05:08:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 05:08:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 05:08:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 05:08:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:08:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 05:08:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 05:08:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 05:08:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 05:08:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 05:08:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 05:08:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 05:08:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:08:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 05:08:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 05:08:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 05:08:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 05:08:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 05:08:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 05:08:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 05:08:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:08:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 05:08:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 05:08:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:08:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 05:08:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 05:08:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 05:08:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 05:08:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 05:08:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 05:08:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 05:08:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 05:08:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 05:08:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-11-17 05:08:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-11-17 05:08:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 05:08:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:08:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 05:08:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-11-17 05:08:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-11-17 05:08:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-11-17 05:08:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-11-17 05:08:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-11-17 05:08:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 05:08:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-11-17 05:08:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-11-17 05:08:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2021-11-17 05:08:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 05:08:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2021-11-17 05:08:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2021-11-17 05:08:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:08:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 05:08:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:08:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2021-11-17 05:08:38,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:08:38,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919520020] [2021-11-17 05:08:38,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919520020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:08:38,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:08:38,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 05:08:38,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082286102] [2021-11-17 05:08:38,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:08:38,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 05:08:38,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:08:38,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 05:08:38,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:08:38,944 INFO L87 Difference]: Start difference. First operand 56936 states and 79962 transitions. Second operand has 9 states, 9 states have (on average 34.55555555555556) internal successors, (311), 4 states have internal predecessors, (311), 2 states have call successors, (72), 7 states have call predecessors, (72), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2021-11-17 05:08:40,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:43,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:50,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:52,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:53,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:08:58,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:03,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:05,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:07,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:10,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:11,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:09:14,737 INFO L93 Difference]: Finished difference Result 153962 states and 226405 transitions. [2021-11-17 05:09:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:09:14,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 34.55555555555556) internal successors, (311), 4 states have internal predecessors, (311), 2 states have call successors, (72), 7 states have call predecessors, (72), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 692 [2021-11-17 05:09:14,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:09:15,234 INFO L225 Difference]: With dead ends: 153962 [2021-11-17 05:09:15,235 INFO L226 Difference]: Without dead ends: 97071 [2021-11-17 05:09:15,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:09:15,380 INFO L933 BasicCegarLoop]: 5052 mSDtfsCounter, 5120 mSDsluCounter, 16470 mSDsCounter, 0 mSdLazyCounter, 9123 mSolverCounterSat, 2787 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5758 SdHoareTripleChecker+Valid, 21522 SdHoareTripleChecker+Invalid, 11917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2787 IncrementalHoareTripleChecker+Valid, 9123 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:09:15,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5758 Valid, 21522 Invalid, 11917 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2787 Valid, 9123 Invalid, 7 Unknown, 0 Unchecked, 32.5s Time] [2021-11-17 05:09:15,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97071 states. [2021-11-17 05:09:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97071 to 56968. [2021-11-17 05:09:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56968 states, 39935 states have (on average 1.3129084762739451) internal successors, (52431), 40483 states have internal predecessors, (52431), 13666 states have call successors, (13666), 3341 states have call predecessors, (13666), 3366 states have return successors, (13897), 13515 states have call predecessors, (13897), 13665 states have call successors, (13897) [2021-11-17 05:09:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56968 states to 56968 states and 79994 transitions. [2021-11-17 05:09:17,934 INFO L78 Accepts]: Start accepts. Automaton has 56968 states and 79994 transitions. Word has length 692 [2021-11-17 05:09:17,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:09:17,934 INFO L470 AbstractCegarLoop]: Abstraction has 56968 states and 79994 transitions. [2021-11-17 05:09:17,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 34.55555555555556) internal successors, (311), 4 states have internal predecessors, (311), 2 states have call successors, (72), 7 states have call predecessors, (72), 1 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2021-11-17 05:09:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 56968 states and 79994 transitions. [2021-11-17 05:09:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-11-17 05:09:18,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:09:18,027 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:09:18,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 05:09:18,027 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:09:18,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:09:18,028 INFO L85 PathProgramCache]: Analyzing trace with hash 677880757, now seen corresponding path program 1 times [2021-11-17 05:09:18,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:09:18,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391946655] [2021-11-17 05:09:18,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:09:18,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:09:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:09:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:09:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:09:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:09:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:09:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:09:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:09:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:09:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:09:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:09:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:09:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 05:09:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 05:09:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 05:09:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 05:09:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 05:09:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 05:09:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:09:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 05:09:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 05:09:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 05:09:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 05:09:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 05:09:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 05:09:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 05:09:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:09:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 05:09:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 05:09:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 05:09:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 05:09:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 05:09:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 05:09:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 05:09:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:09:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 05:09:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 05:09:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:09:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 05:09:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 05:09:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 05:09:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 05:09:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 05:09:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 05:09:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 05:09:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:09:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 05:09:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 05:09:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-11-17 05:09:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-11-17 05:09:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 05:09:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:09:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 05:09:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 05:09:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 05:09:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-11-17 05:09:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 05:09:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-11-17 05:09:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-11-17 05:09:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 05:09:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2021-11-17 05:09:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2021-11-17 05:09:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 05:09:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-11-17 05:09:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2021-11-17 05:09:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:09:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 684 [2021-11-17 05:09:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:09:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 952 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 911 trivial. 0 not checked. [2021-11-17 05:09:19,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:09:19,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391946655] [2021-11-17 05:09:19,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391946655] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:09:19,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:09:19,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 05:09:19,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645239611] [2021-11-17 05:09:19,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:09:19,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 05:09:19,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:09:19,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 05:09:19,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:09:19,045 INFO L87 Difference]: Start difference. First operand 56968 states and 79994 transitions. Second operand has 9 states, 9 states have (on average 35.888888888888886) internal successors, (323), 4 states have internal predecessors, (323), 2 states have call successors, (73), 7 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2021-11-17 05:09:21,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:23,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:29,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:33,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:35,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:37,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:39,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:42,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:44,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:52,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:54,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:09:59,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:09:59,117 INFO L93 Difference]: Finished difference Result 167495 states and 238275 transitions. [2021-11-17 05:09:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 05:09:59,123 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 35.888888888888886) internal successors, (323), 4 states have internal predecessors, (323), 2 states have call successors, (73), 7 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 699 [2021-11-17 05:09:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:09:59,608 INFO L225 Difference]: With dead ends: 167495 [2021-11-17 05:09:59,608 INFO L226 Difference]: Without dead ends: 110572 [2021-11-17 05:09:59,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-17 05:09:59,783 INFO L933 BasicCegarLoop]: 6323 mSDtfsCounter, 6871 mSDsluCounter, 15676 mSDsCounter, 0 mSdLazyCounter, 9605 mSolverCounterSat, 5588 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7316 SdHoareTripleChecker+Valid, 21999 SdHoareTripleChecker+Invalid, 15200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5588 IncrementalHoareTripleChecker+Valid, 9605 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:09:59,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7316 Valid, 21999 Invalid, 15200 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5588 Valid, 9605 Invalid, 7 Unknown, 0 Unchecked, 36.1s Time] [2021-11-17 05:09:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110572 states. [2021-11-17 05:10:03,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110572 to 97348. [2021-11-17 05:10:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97348 states, 68363 states have (on average 1.3150388367976829) internal successors, (89900), 69293 states have internal predecessors, (89900), 23233 states have call successors, (23233), 5706 states have call predecessors, (23233), 5751 states have return successors, (23632), 22976 states have call predecessors, (23632), 23232 states have call successors, (23632) [2021-11-17 05:10:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97348 states to 97348 states and 136765 transitions. [2021-11-17 05:10:03,772 INFO L78 Accepts]: Start accepts. Automaton has 97348 states and 136765 transitions. Word has length 699 [2021-11-17 05:10:03,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:10:03,773 INFO L470 AbstractCegarLoop]: Abstraction has 97348 states and 136765 transitions. [2021-11-17 05:10:03,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 35.888888888888886) internal successors, (323), 4 states have internal predecessors, (323), 2 states have call successors, (73), 7 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2021-11-17 05:10:03,773 INFO L276 IsEmpty]: Start isEmpty. Operand 97348 states and 136765 transitions. [2021-11-17 05:10:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2021-11-17 05:10:03,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:10:03,926 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:10:03,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 05:10:03,927 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:10:03,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:10:03,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1069615531, now seen corresponding path program 1 times [2021-11-17 05:10:03,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:10:03,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852330862] [2021-11-17 05:10:03,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:10:03,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:10:04,043 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 05:10:04,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419524951] [2021-11-17 05:10:04,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:10:04,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:10:04,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:10:04,046 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:10:04,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 05:10:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:10:05,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 6140 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 05:10:05,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:10:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2021-11-17 05:10:06,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:10:06,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:10:06,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852330862] [2021-11-17 05:10:06,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 05:10:06,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419524951] [2021-11-17 05:10:06,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419524951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:10:06,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:10:06,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 05:10:06,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634201933] [2021-11-17 05:10:06,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:10:06,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 05:10:06,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:10:06,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 05:10:06,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:10:06,508 INFO L87 Difference]: Start difference. First operand 97348 states and 136765 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) [2021-11-17 05:10:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:10:10,819 INFO L93 Difference]: Finished difference Result 222563 states and 317734 transitions. [2021-11-17 05:10:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 05:10:10,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 1 states have call predecessors, (72), 1 states have call successors, (72) Word has length 710 [2021-11-17 05:10:10,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:10:11,333 INFO L225 Difference]: With dead ends: 222563 [2021-11-17 05:10:11,333 INFO L226 Difference]: Without dead ends: 125260 [2021-11-17 05:10:11,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 05:10:11,783 INFO L933 BasicCegarLoop]: 5494 mSDtfsCounter, 1077 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1390 SdHoareTripleChecker+Valid, 9613 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 05:10:11,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1390 Valid, 9613 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 05:10:11,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125260 states.