./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--xen-netfront.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--xen-netfront.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 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:44:56,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:44:56,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:44:56,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:44:56,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:44:56,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:44:56,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:44:56,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:44:56,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:44:56,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:44:56,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:44:56,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:44:56,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:44:56,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:44:56,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:44:56,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:44:56,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:44:56,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:44:56,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:44:56,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:44:56,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:44:56,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:44:56,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:44:56,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:44:56,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:44:56,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:44:56,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:44:56,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:44:56,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:44:56,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:44:56,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:44:56,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:44:56,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:44:56,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:44:56,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:44:56,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:44:56,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:44:56,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:44:56,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:44:56,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:44:56,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:44:56,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 05:44:56,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:44:56,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:44:56,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:44:56,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:44:56,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:44:56,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:44:56,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:44:56,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:44:56,324 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:44:56,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:44:56,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 05:44:56,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:44:56,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:44:56,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:44:56,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:44:56,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:44:56,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:44:56,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:44:56,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:44:56,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:44:56,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:44:56,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:44:56,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:44:56,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:44:56,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:44:56,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 05:44:56,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 05:44:56,329 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:44:56,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:44:56,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:44:56,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:44:56,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 [2021-11-17 05:44:56,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:44:56,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:44:56,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:44:56,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:44:56,555 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:44:56,556 INFO L432 ainManager$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--xen-netfront.ko-entry_point.cil.out.i [2021-11-17 05:44:56,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f524311/2330349069634f05a68025aa5ccdc63e/FLAGffde73c94 [2021-11-17 05:44:57,230 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:44:57,231 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--xen-netfront.ko-entry_point.cil.out.i [2021-11-17 05:44:57,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f524311/2330349069634f05a68025aa5ccdc63e/FLAGffde73c94 [2021-11-17 05:44:57,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f524311/2330349069634f05a68025aa5ccdc63e [2021-11-17 05:44:57,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:44:57,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:44:57,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:44:57,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:44:57,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:44:57,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:44:57" (1/1) ... [2021-11-17 05:44:57,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a00b20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:57, skipping insertion in model container [2021-11-17 05:44:57,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:44:57" (1/1) ... [2021-11-17 05:44:57,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:44:57,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:44:59,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-11-17 05:44:59,449 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:44:59,478 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:44:59,773 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--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-11-17 05:44:59,780 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:44:59,890 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:44:59,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59 WrapperNode [2021-11-17 05:44:59,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:44:59,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:44:59,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:44:59,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:44:59,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:44:59,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,086 INFO L137 Inliner]: procedures = 336, calls = 1905, calls flagged for inlining = 163, calls inlined = 135, statements flattened = 4609 [2021-11-17 05:45:00,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:45:00,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:45:00,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:45:00,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:45:00,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:45:00,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:45:00,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:45:00,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:45:00,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (1/1) ... [2021-11-17 05:45:00,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:45:00,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:45:00,319 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 05:45:00,348 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 05:45:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:45:00,359 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-11-17 05:45:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-11-17 05:45:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:45:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:45:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:45:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:45:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:45:00,360 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 05:45:00,360 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 05:45:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-11-17 05:45:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-11-17 05:45:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 05:45:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 05:45:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-11-17 05:45:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-11-17 05:45:00,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 05:45:00,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 05:45:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:45:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:45:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:45:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:45:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 05:45:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 05:45:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2021-11-17 05:45:00,362 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2021-11-17 05:45:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-11-17 05:45:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-11-17 05:45:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-11-17 05:45:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-11-17 05:45:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-11-17 05:45:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-11-17 05:45:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2021-11-17 05:45:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2021-11-17 05:45:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:45:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:45:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2021-11-17 05:45:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2021-11-17 05:45:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2021-11-17 05:45:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2021-11-17 05:45:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 05:45:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 05:45:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 05:45:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 05:45:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-11-17 05:45:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-11-17 05:45:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-17 05:45:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-17 05:45:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 05:45:00,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 05:45:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-11-17 05:45:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-11-17 05:45:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:45:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:45:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:45:00,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:45:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-11-17 05:45:00,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-11-17 05:45:00,367 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-11-17 05:45:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-11-17 05:45:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-11-17 05:45:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-11-17 05:45:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-11-17 05:45:00,368 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-11-17 05:45:00,368 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 05:45:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 05:45:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-11-17 05:45:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-11-17 05:45:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 05:45:00,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 05:45:00,369 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-11-17 05:45:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-11-17 05:45:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-17 05:45:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-17 05:45:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:45:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-11-17 05:45:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-11-17 05:45:00,370 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-11-17 05:45:00,370 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-11-17 05:45:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-11-17 05:45:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-11-17 05:45:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 05:45:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 05:45:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-17 05:45:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-17 05:45:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-11-17 05:45:00,371 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-11-17 05:45:00,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:45:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 05:45:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 05:45:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 05:45:00,372 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 05:45:00,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 05:45:00,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 05:45:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 05:45:00,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 05:45:00,373 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-11-17 05:45:00,373 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-11-17 05:45:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 05:45:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 05:45:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-17 05:45:00,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-17 05:45:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:45:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 05:45:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 05:45:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:45:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-11-17 05:45:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-11-17 05:45:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-11-17 05:45:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-11-17 05:45:00,375 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 05:45:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 05:45:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-11-17 05:45:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-11-17 05:45:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-11-17 05:45:00,376 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-11-17 05:45:00,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-11-17 05:45:00,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-11-17 05:45:00,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 05:45:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 05:45:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 05:45:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 05:45:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2021-11-17 05:45:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2021-11-17 05:45:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 05:45:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 05:45:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-17 05:45:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-17 05:45:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-11-17 05:45:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-11-17 05:45:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 05:45:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2021-11-17 05:45:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2021-11-17 05:45:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-17 05:45:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-17 05:45:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-11-17 05:45:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-11-17 05:45:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-17 05:45:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-17 05:45:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 05:45:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 05:45:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 05:45:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 05:45:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 05:45:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-11-17 05:45:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-11-17 05:45:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-11-17 05:45:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-11-17 05:45:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2021-11-17 05:45:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2021-11-17 05:45:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-11-17 05:45:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-11-17 05:45:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-11-17 05:45:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-11-17 05:45:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 05:45:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-17 05:45:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-17 05:45:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:45:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:45:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-11-17 05:45:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-11-17 05:45:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-11-17 05:45:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-11-17 05:45:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 05:45:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 05:45:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 05:45:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 05:45:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-17 05:45:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-17 05:45:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2021-11-17 05:45:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2021-11-17 05:45:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 05:45:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 05:45:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-11-17 05:45:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-11-17 05:45:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 05:45:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-17 05:45:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-17 05:45:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 05:45:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 05:45:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:45:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:45:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:45:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:45:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-11-17 05:45:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-11-17 05:45:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:45:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 05:45:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:45:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:45:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2021-11-17 05:45:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2021-11-17 05:45:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:45:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 05:45:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 05:45:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-17 05:45:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-17 05:45:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:45:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 05:45:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 05:45:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 05:45:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 05:45:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2021-11-17 05:45:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2021-11-17 05:45:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-17 05:45:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-17 05:45:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 05:45:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 05:45:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-11-17 05:45:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-11-17 05:45:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 05:45:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 05:45:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-11-17 05:45:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-11-17 05:45:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 05:45:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 05:45:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2021-11-17 05:45:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2021-11-17 05:45:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 05:45:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-11-17 05:45:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-11-17 05:45:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:45:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:45:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-11-17 05:45:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-11-17 05:45:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 05:45:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 05:45:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 05:45:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 05:45:00,910 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:45:00,915 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:45:01,591 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 05:45:03,986 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 05:45:03,996 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 05:45:03,997 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 05:45:03,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:45:03 BoogieIcfgContainer [2021-11-17 05:45:03,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 05:45:04,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 05:45:04,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 05:45:04,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 05:45:04,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:44:57" (1/3) ... [2021-11-17 05:45:04,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2351bd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:45:04, skipping insertion in model container [2021-11-17 05:45:04,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:44:59" (2/3) ... [2021-11-17 05:45:04,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2351bd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:45:04, skipping insertion in model container [2021-11-17 05:45:04,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:45:03" (3/3) ... [2021-11-17 05:45:04,005 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2021-11-17 05:45:04,009 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 05:45:04,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 05:45:04,053 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 05:45:04,067 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 05:45:04,067 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 05:45:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 1564 states, 1105 states have (on average 1.3221719457013574) internal successors, (1461), 1140 states have internal predecessors, (1461), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) [2021-11-17 05:45:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-11-17 05:45:04,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:45:04,138 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-11-17 05:45:04,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:45:04,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:45:04,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2007704875, now seen corresponding path program 1 times [2021-11-17 05:45:04,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:45:04,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852961947] [2021-11-17 05:45:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:45:04,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:45:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:45:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:45:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:45:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:45:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:45:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:45:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:45:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:45:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:45:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:45:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:45:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:45:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:45:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:45:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:45:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:45:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:45:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:45:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:45:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:45:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:45:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:45:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:45:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:45:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:45:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-17 05:45:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 05:45:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:45:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 05:45:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 05:45:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 05:45:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 05:45:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-11-17 05:45:05,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:45:05,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852961947] [2021-11-17 05:45:05,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852961947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:45:05,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:45:05,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 05:45:05,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202354024] [2021-11-17 05:45:05,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:45:05,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 05:45:05,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:45:05,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 05:45:05,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 05:45:05,363 INFO L87 Difference]: Start difference. First operand has 1564 states, 1105 states have (on average 1.3221719457013574) internal successors, (1461), 1140 states have internal predecessors, (1461), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 05:45:07,396 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 05:45:08,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:45:11,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:45:11,183 INFO L93 Difference]: Finished difference Result 3340 states and 4706 transitions. [2021-11-17 05:45:11,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 05:45:11,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 447 [2021-11-17 05:45:11,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:45:11,212 INFO L225 Difference]: With dead ends: 3340 [2021-11-17 05:45:11,213 INFO L226 Difference]: Without dead ends: 1751 [2021-11-17 05:45:11,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:45:11,230 INFO L933 BasicCegarLoop]: 1916 mSDtfsCounter, 2340 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 1975 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2464 SdHoareTripleChecker+Valid, 3391 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1975 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:45:11,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2464 Valid, 3391 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1975 Valid, 1174 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-11-17 05:45:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-11-17 05:45:11,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1537. [2021-11-17 05:45:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1089 states have (on average 1.3085399449035813) internal successors, (1425), 1113 states have internal predecessors, (1425), 343 states have call successors, (343), 105 states have call predecessors, (343), 104 states have return successors, (342), 339 states have call predecessors, (342), 342 states have call successors, (342) [2021-11-17 05:45:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2110 transitions. [2021-11-17 05:45:11,367 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2110 transitions. Word has length 447 [2021-11-17 05:45:11,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:45:11,368 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2110 transitions. [2021-11-17 05:45:11,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 05:45:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2110 transitions. [2021-11-17 05:45:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-11-17 05:45:11,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:45:11,377 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2021-11-17 05:45:11,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 05:45:11,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:45:11,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:45:11,379 INFO L85 PathProgramCache]: Analyzing trace with hash -498973003, now seen corresponding path program 1 times [2021-11-17 05:45:11,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:45:11,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619782709] [2021-11-17 05:45:11,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:45:11,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:45:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:45:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:45:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:45:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:45:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:45:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:45:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:45:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:45:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:45:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:45:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:45:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:45:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:45:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:45:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:45:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:45:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:45:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:45:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:45:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:45:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:45:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:45:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:45:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:45:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:45:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-11-17 05:45:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 05:45:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:45:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 05:45:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 05:45:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 05:45:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 05:45:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-11-17 05:45:12,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:45:12,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619782709] [2021-11-17 05:45:12,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619782709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:45:12,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:45:12,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:45:12,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741745542] [2021-11-17 05:45:12,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:45:12,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:45:12,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:45:12,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:45:12,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:45:12,063 INFO L87 Difference]: Start difference. First operand 1537 states and 2110 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 05:45:14,233 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 05:45:18,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:45:18,708 INFO L93 Difference]: Finished difference Result 4444 states and 6137 transitions. [2021-11-17 05:45:18,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 05:45:18,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 447 [2021-11-17 05:45:18,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:45:18,723 INFO L225 Difference]: With dead ends: 4444 [2021-11-17 05:45:18,723 INFO L226 Difference]: Without dead ends: 2966 [2021-11-17 05:45:18,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-17 05:45:18,729 INFO L933 BasicCegarLoop]: 2250 mSDtfsCounter, 4695 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 2624 mSolverCounterSat, 3421 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4925 SdHoareTripleChecker+Valid, 4949 SdHoareTripleChecker+Invalid, 6046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3421 IncrementalHoareTripleChecker+Valid, 2624 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:45:18,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4925 Valid, 4949 Invalid, 6046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3421 Valid, 2624 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2021-11-17 05:45:18,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2021-11-17 05:45:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2570. [2021-11-17 05:45:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 1829 states have (on average 1.3078184800437398) internal successors, (2392), 1878 states have internal predecessors, (2392), 555 states have call successors, (555), 188 states have call predecessors, (555), 185 states have return successors, (554), 542 states have call predecessors, (554), 554 states have call successors, (554) [2021-11-17 05:45:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 3501 transitions. [2021-11-17 05:45:18,816 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 3501 transitions. Word has length 447 [2021-11-17 05:45:18,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:45:18,819 INFO L470 AbstractCegarLoop]: Abstraction has 2570 states and 3501 transitions. [2021-11-17 05:45:18,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 05:45:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3501 transitions. [2021-11-17 05:45:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-11-17 05:45:18,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:45:18,826 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:45:18,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 05:45:18,827 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:45:18,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:45:18,827 INFO L85 PathProgramCache]: Analyzing trace with hash -628625941, now seen corresponding path program 1 times [2021-11-17 05:45:18,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:45:18,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098987965] [2021-11-17 05:45:18,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:45:18,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:45:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:45:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:18,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:45:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:45:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:45:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:45:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:45:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:45:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:45:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:45:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:45:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:45:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:45:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:45:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:45:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:45:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:45:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:45:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:45:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:45:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:45:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:45:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:45:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:45:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:45:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:45:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 05:45:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 05:45:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 05:45:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 05:45:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:45:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 05:45:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2021-11-17 05:45:19,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:45:19,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098987965] [2021-11-17 05:45:19,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098987965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:45:19,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:45:19,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:45:19,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418177094] [2021-11-17 05:45:19,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:45:19,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:45:19,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:45:19,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:45:19,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:45:19,370 INFO L87 Difference]: Start difference. First operand 2570 states and 3501 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 05:45:22,420 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 05:45:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:45:27,267 INFO L93 Difference]: Finished difference Result 6688 states and 9229 transitions. [2021-11-17 05:45:27,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:45:27,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 440 [2021-11-17 05:45:27,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:45:27,286 INFO L225 Difference]: With dead ends: 6688 [2021-11-17 05:45:27,286 INFO L226 Difference]: Without dead ends: 4177 [2021-11-17 05:45:27,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 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 05:45:27,300 INFO L933 BasicCegarLoop]: 2443 mSDtfsCounter, 3132 mSDsluCounter, 4385 mSDsCounter, 0 mSdLazyCounter, 3522 mSolverCounterSat, 2243 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3340 SdHoareTripleChecker+Valid, 6828 SdHoareTripleChecker+Invalid, 5766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2243 IncrementalHoareTripleChecker+Valid, 3522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-17 05:45:27,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3340 Valid, 6828 Invalid, 5766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2243 Valid, 3522 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2021-11-17 05:45:27,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2021-11-17 05:45:27,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 3603. [2021-11-17 05:45:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3603 states, 2594 states have (on average 1.3211256746337703) internal successors, (3427), 2658 states have internal predecessors, (3427), 742 states have call successors, (742), 269 states have call predecessors, (742), 266 states have return successors, (741), 721 states have call predecessors, (741), 741 states have call successors, (741) [2021-11-17 05:45:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4910 transitions. [2021-11-17 05:45:27,471 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4910 transitions. Word has length 440 [2021-11-17 05:45:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:45:27,475 INFO L470 AbstractCegarLoop]: Abstraction has 3603 states and 4910 transitions. [2021-11-17 05:45:27,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 05:45:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4910 transitions. [2021-11-17 05:45:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2021-11-17 05:45:27,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:45:27,485 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-11-17 05:45:27,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 05:45:27,486 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:45:27,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:45:27,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1997284535, now seen corresponding path program 1 times [2021-11-17 05:45:27,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:45:27,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823097001] [2021-11-17 05:45:27,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:45:27,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:45:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:45:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:45:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:45:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:45:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:45:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:45:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:45:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:45:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:45:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:45:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:45:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:45:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:45:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:45:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:45:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:45:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:45:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:45:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:45:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:45:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:45:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:45:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:45:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:45:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:45:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 05:45:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 05:45:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 05:45:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 05:45:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 05:45:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 05:45:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 05:45:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 05:45:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 05:45:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 05:45:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-11-17 05:45:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 05:45:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3558 trivial. 0 not checked. [2021-11-17 05:45:28,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:45:28,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823097001] [2021-11-17 05:45:28,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823097001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:45:28,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:45:28,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:45:28,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056940001] [2021-11-17 05:45:28,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:45:28,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:45:28,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:45:28,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:45:28,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:45:28,310 INFO L87 Difference]: Start difference. First operand 3603 states and 4910 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:45:30,330 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 05:45:32,819 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 05:45:36,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:45:36,844 INFO L93 Difference]: Finished difference Result 7722 states and 10642 transitions. [2021-11-17 05:45:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:45:36,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 558 [2021-11-17 05:45:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:45:36,861 INFO L225 Difference]: With dead ends: 7722 [2021-11-17 05:45:36,862 INFO L226 Difference]: Without dead ends: 4170 [2021-11-17 05:45:36,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:45:36,872 INFO L933 BasicCegarLoop]: 1928 mSDtfsCounter, 1522 mSDsluCounter, 5457 mSDsCounter, 0 mSdLazyCounter, 3117 mSolverCounterSat, 1399 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 7385 SdHoareTripleChecker+Invalid, 4518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1399 IncrementalHoareTripleChecker+Valid, 3117 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:45:36,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1602 Valid, 7385 Invalid, 4518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1399 Valid, 3117 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2021-11-17 05:45:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4170 states. [2021-11-17 05:45:36,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4170 to 3603. [2021-11-17 05:45:36,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3603 states, 2594 states have (on average 1.3180416345412491) internal successors, (3419), 2658 states have internal predecessors, (3419), 742 states have call successors, (742), 269 states have call predecessors, (742), 266 states have return successors, (741), 721 states have call predecessors, (741), 741 states have call successors, (741) [2021-11-17 05:45:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4902 transitions. [2021-11-17 05:45:36,977 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4902 transitions. Word has length 558 [2021-11-17 05:45:36,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:45:36,978 INFO L470 AbstractCegarLoop]: Abstraction has 3603 states and 4902 transitions. [2021-11-17 05:45:36,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:45:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4902 transitions. [2021-11-17 05:45:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-11-17 05:45:36,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:45:36,983 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-11-17 05:45:36,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 05:45:36,983 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:45:36,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:45:36,984 INFO L85 PathProgramCache]: Analyzing trace with hash -922461304, now seen corresponding path program 1 times [2021-11-17 05:45:36,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:45:36,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721138189] [2021-11-17 05:45:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:45:36,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:45:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:45:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:45:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:45:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:45:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:45:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:45:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:45:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:45:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:45:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:45:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:45:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:45:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:45:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:45:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:45:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:45:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:45:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:45:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:45:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:45:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:45:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:45:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:45:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:45:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:45:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:45:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:45:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:45:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:45:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:45:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:45:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 05:45:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-17 05:45:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 05:45:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 05:45:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-11-17 05:45:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-17 05:45:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3558 trivial. 0 not checked. [2021-11-17 05:45:37,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:45:37,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721138189] [2021-11-17 05:45:37,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721138189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:45:37,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:45:37,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:45:37,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328042151] [2021-11-17 05:45:37,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:45:37,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:45:37,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:45:37,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:45:37,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:45:37,679 INFO L87 Difference]: Start difference. First operand 3603 states and 4902 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:45:39,698 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 05:45:41,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:45:49,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:45:49,169 INFO L93 Difference]: Finished difference Result 11704 states and 16172 transitions. [2021-11-17 05:45:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 05:45:49,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 564 [2021-11-17 05:45:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:45:49,200 INFO L225 Difference]: With dead ends: 11704 [2021-11-17 05:45:49,201 INFO L226 Difference]: Without dead ends: 8160 [2021-11-17 05:45:49,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-17 05:45:49,212 INFO L933 BasicCegarLoop]: 3512 mSDtfsCounter, 3417 mSDsluCounter, 8467 mSDsCounter, 0 mSdLazyCounter, 5363 mSolverCounterSat, 2133 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3717 SdHoareTripleChecker+Valid, 11979 SdHoareTripleChecker+Invalid, 7498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2133 IncrementalHoareTripleChecker+Valid, 5363 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:45:49,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3717 Valid, 11979 Invalid, 7498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2133 Valid, 5363 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2021-11-17 05:45:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8160 states. [2021-11-17 05:45:49,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8160 to 7029. [2021-11-17 05:45:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7029 states, 5069 states have (on average 1.3213651607812191) internal successors, (6698), 5195 states have internal predecessors, (6698), 1435 states have call successors, (1435), 529 states have call predecessors, (1435), 524 states have return successors, (1434), 1396 states have call predecessors, (1434), 1434 states have call successors, (1434) [2021-11-17 05:45:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 9567 transitions. [2021-11-17 05:45:49,443 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 9567 transitions. Word has length 564 [2021-11-17 05:45:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:45:49,444 INFO L470 AbstractCegarLoop]: Abstraction has 7029 states and 9567 transitions. [2021-11-17 05:45:49,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:45:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 9567 transitions. [2021-11-17 05:45:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-11-17 05:45:49,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:45:49,452 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-11-17 05:45:49,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 05:45:49,452 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:45:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:45:49,453 INFO L85 PathProgramCache]: Analyzing trace with hash 862941958, now seen corresponding path program 1 times [2021-11-17 05:45:49,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:45:49,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026137617] [2021-11-17 05:45:49,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:45:49,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:45:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:45:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:45:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:45:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:45:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:45:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:45:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:45:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:45:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:45:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:45:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:45:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:45:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:45:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:45:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:45:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:45:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:45:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:45:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:45:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:45:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:45:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:45:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:45:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:45:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:45:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:45:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:45:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:45:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:45:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:45:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:45:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:45:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 05:45:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-17 05:45:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 05:45:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 05:45:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-11-17 05:45:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:45:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-17 05:45:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:45:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3558 trivial. 0 not checked. [2021-11-17 05:45:50,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:45:50,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026137617] [2021-11-17 05:45:50,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026137617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:45:50,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:45:50,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:45:50,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582818780] [2021-11-17 05:45:50,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:45:50,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:45:50,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:45:50,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:45:50,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:45:50,159 INFO L87 Difference]: Start difference. First operand 7029 states and 9567 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-17 05:45:52,833 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 05:45:54,892 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 05:45:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:45:59,675 INFO L93 Difference]: Finished difference Result 20406 states and 28133 transitions. [2021-11-17 05:45:59,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:45:59,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 564 [2021-11-17 05:45:59,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:45:59,723 INFO L225 Difference]: With dead ends: 20406 [2021-11-17 05:45:59,723 INFO L226 Difference]: Without dead ends: 13440 [2021-11-17 05:45:59,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:45:59,742 INFO L933 BasicCegarLoop]: 2920 mSDtfsCounter, 3882 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 3025 mSolverCounterSat, 2521 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4174 SdHoareTripleChecker+Valid, 6861 SdHoareTripleChecker+Invalid, 5548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2521 IncrementalHoareTripleChecker+Valid, 3025 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:45:59,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4174 Valid, 6861 Invalid, 5548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2521 Valid, 3025 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2021-11-17 05:45:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13440 states. [2021-11-17 05:46:00,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13440 to 11541. [2021-11-17 05:46:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11541 states, 8331 states have (on average 1.3172488296723082) internal successors, (10974), 8541 states have internal predecessors, (10974), 2337 states have call successors, (2337), 877 states have call predecessors, (2337), 872 states have return successors, (2336), 2284 states have call predecessors, (2336), 2336 states have call successors, (2336) [2021-11-17 05:46:00,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11541 states to 11541 states and 15647 transitions. [2021-11-17 05:46:00,069 INFO L78 Accepts]: Start accepts. Automaton has 11541 states and 15647 transitions. Word has length 564 [2021-11-17 05:46:00,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:46:00,070 INFO L470 AbstractCegarLoop]: Abstraction has 11541 states and 15647 transitions. [2021-11-17 05:46:00,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-17 05:46:00,070 INFO L276 IsEmpty]: Start isEmpty. Operand 11541 states and 15647 transitions. [2021-11-17 05:46:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-11-17 05:46:00,076 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:46:00,077 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2021-11-17 05:46:00,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 05:46:00,077 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:46:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:46:00,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1985883345, now seen corresponding path program 1 times [2021-11-17 05:46:00,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:46:00,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599304725] [2021-11-17 05:46:00,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:00,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:46:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:46:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:46:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:46:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:46:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:46:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:46:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:46:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:46:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:46:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:46:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:46:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:46:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:46:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:46:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:46:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:46:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:46:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:46:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:46:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:46:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:46:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:46:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:46:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:46:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:46:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:46:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:46:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:46:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:46:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:46:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:46:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 05:46:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 05:46:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 05:46:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 05:46:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 05:46:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 05:46:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3563 trivial. 0 not checked. [2021-11-17 05:46:00,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:46:00,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599304725] [2021-11-17 05:46:00,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599304725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:46:00,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:46:00,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:46:00,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802662535] [2021-11-17 05:46:00,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:46:00,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:46:00,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:46:00,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:46:00,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:46:00,842 INFO L87 Difference]: Start difference. First operand 11541 states and 15647 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:46:02,861 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 05:46:06,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:46:06,644 INFO L93 Difference]: Finished difference Result 14444 states and 19608 transitions. [2021-11-17 05:46:06,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:46:06,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 563 [2021-11-17 05:46:06,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:46:06,695 INFO L225 Difference]: With dead ends: 14444 [2021-11-17 05:46:06,695 INFO L226 Difference]: Without dead ends: 14441 [2021-11-17 05:46:06,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 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 05:46:06,705 INFO L933 BasicCegarLoop]: 1962 mSDtfsCounter, 3043 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 1733 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1733 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-17 05:46:06,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3238 Valid, 4020 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1733 Valid, 1500 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-11-17 05:46:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14441 states. [2021-11-17 05:46:07,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14441 to 12513. [2021-11-17 05:46:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12513 states, 8985 states have (on average 1.3032832498608793) internal successors, (11710), 9203 states have internal predecessors, (11710), 2453 states have call successors, (2453), 1079 states have call predecessors, (2453), 1074 states have return successors, (2452), 2400 states have call predecessors, (2452), 2452 states have call successors, (2452) [2021-11-17 05:46:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12513 states to 12513 states and 16615 transitions. [2021-11-17 05:46:07,109 INFO L78 Accepts]: Start accepts. Automaton has 12513 states and 16615 transitions. Word has length 563 [2021-11-17 05:46:07,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:46:07,110 INFO L470 AbstractCegarLoop]: Abstraction has 12513 states and 16615 transitions. [2021-11-17 05:46:07,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 05:46:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 12513 states and 16615 transitions. [2021-11-17 05:46:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2021-11-17 05:46:07,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:46:07,143 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 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] [2021-11-17 05:46:07,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 05:46:07,144 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:46:07,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:46:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1201945388, now seen corresponding path program 1 times [2021-11-17 05:46:07,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:46:07,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582079211] [2021-11-17 05:46:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:07,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:46:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:46:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:46:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:46:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:46:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:46:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:46:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:46:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:46:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:46:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:46:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:46:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:46:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:46:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:46:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:46:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:46:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:46:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:46:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:46:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:46:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:46:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:46:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:46:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:46:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:46:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:46:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:46:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:46:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:46:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:46:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:46:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 05:46:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 05:46:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-11-17 05:46:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 05:46:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 05:46:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 05:46:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 05:46:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 05:46:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:46:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-11-17 05:46:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-11-17 05:46:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2021-11-17 05:46:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-11-17 05:46:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3899 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3891 trivial. 0 not checked. [2021-11-17 05:46:07,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:46:07,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582079211] [2021-11-17 05:46:07,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582079211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:46:07,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:46:07,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:46:07,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616410128] [2021-11-17 05:46:07,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:46:07,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:46:07,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:46:07,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:46:07,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:46:07,893 INFO L87 Difference]: Start difference. First operand 12513 states and 16615 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (55), 7 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-17 05:46:09,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:11,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:20,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:46:20,142 INFO L93 Difference]: Finished difference Result 34100 states and 45939 transitions. [2021-11-17 05:46:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 05:46:20,146 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (55), 7 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 636 [2021-11-17 05:46:20,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:46:20,212 INFO L225 Difference]: With dead ends: 34100 [2021-11-17 05:46:20,213 INFO L226 Difference]: Without dead ends: 21650 [2021-11-17 05:46:20,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2021-11-17 05:46:20,249 INFO L933 BasicCegarLoop]: 2907 mSDtfsCounter, 3916 mSDsluCounter, 5567 mSDsCounter, 0 mSdLazyCounter, 5199 mSolverCounterSat, 2793 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4102 SdHoareTripleChecker+Valid, 8474 SdHoareTripleChecker+Invalid, 7993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2793 IncrementalHoareTripleChecker+Valid, 5199 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:46:20,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4102 Valid, 8474 Invalid, 7993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2793 Valid, 5199 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2021-11-17 05:46:20,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21650 states. [2021-11-17 05:46:20,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21650 to 18167. [2021-11-17 05:46:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18167 states, 13142 states have (on average 1.3008674478770355) internal successors, (17096), 13470 states have internal predecessors, (17096), 3443 states have call successors, (3443), 1590 states have call predecessors, (3443), 1581 states have return successors, (3442), 3358 states have call predecessors, (3442), 3442 states have call successors, (3442) [2021-11-17 05:46:20,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18167 states to 18167 states and 23981 transitions. [2021-11-17 05:46:20,823 INFO L78 Accepts]: Start accepts. Automaton has 18167 states and 23981 transitions. Word has length 636 [2021-11-17 05:46:20,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:46:20,824 INFO L470 AbstractCegarLoop]: Abstraction has 18167 states and 23981 transitions. [2021-11-17 05:46:20,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (55), 7 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-17 05:46:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 18167 states and 23981 transitions. [2021-11-17 05:46:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2021-11-17 05:46:20,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:46:20,859 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:46:20,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 05:46:20,859 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:46:20,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:46:20,860 INFO L85 PathProgramCache]: Analyzing trace with hash 727400918, now seen corresponding path program 1 times [2021-11-17 05:46:20,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:46:20,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427866884] [2021-11-17 05:46:20,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:20,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:46:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:46:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:46:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:46:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:46:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:46:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:46:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:46:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:46:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:46:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:46:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:46:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:46:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:46:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:46:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:46:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:46:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:46:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:46:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:46:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:46:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:46:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:46:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:46:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:46:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:46:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:46:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:46:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:46:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:46:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:46:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:46:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 05:46:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 05:46:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-11-17 05:46:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 05:46:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 05:46:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:21,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 05:46:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-11-17 05:46:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-11-17 05:46:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:46:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 05:46:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-11-17 05:46:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-11-17 05:46:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 05:46:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3919 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3903 trivial. 0 not checked. [2021-11-17 05:46:22,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:46:22,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427866884] [2021-11-17 05:46:22,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427866884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:46:22,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:46:22,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-17 05:46:22,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693700166] [2021-11-17 05:46:22,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:46:22,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-17 05:46:22,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:46:22,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-17 05:46:22,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2021-11-17 05:46:22,078 INFO L87 Difference]: Start difference. First operand 18167 states and 23981 transitions. Second operand has 18 states, 16 states have (on average 10.6875) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (55), 7 states have call predecessors, (55), 4 states have return successors, (52), 5 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-17 05:46:24,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:25,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:26,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:46:38,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:46:38,991 INFO L93 Difference]: Finished difference Result 43687 states and 59508 transitions. [2021-11-17 05:46:38,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 05:46:38,992 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 10.6875) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (55), 7 states have call predecessors, (55), 4 states have return successors, (52), 5 states have call predecessors, (52), 4 states have call successors, (52) Word has length 656 [2021-11-17 05:46:38,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:46:39,073 INFO L225 Difference]: With dead ends: 43687 [2021-11-17 05:46:39,073 INFO L226 Difference]: Without dead ends: 25583 [2021-11-17 05:46:39,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-11-17 05:46:39,109 INFO L933 BasicCegarLoop]: 2358 mSDtfsCounter, 3890 mSDsluCounter, 22857 mSDsCounter, 0 mSdLazyCounter, 12624 mSolverCounterSat, 2559 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4012 SdHoareTripleChecker+Valid, 25215 SdHoareTripleChecker+Invalid, 15184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2559 IncrementalHoareTripleChecker+Valid, 12624 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-11-17 05:46:39,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4012 Valid, 25215 Invalid, 15184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2559 Valid, 12624 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2021-11-17 05:46:39,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25583 states. [2021-11-17 05:46:39,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25583 to 18191. [2021-11-17 05:46:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18191 states, 13160 states have (on average 1.3004559270516718) internal successors, (17114), 13488 states have internal predecessors, (17114), 3449 states have call successors, (3449), 1590 states have call predecessors, (3449), 1581 states have return successors, (3448), 3364 states have call predecessors, (3448), 3448 states have call successors, (3448) [2021-11-17 05:46:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18191 states to 18191 states and 24011 transitions. [2021-11-17 05:46:39,862 INFO L78 Accepts]: Start accepts. Automaton has 18191 states and 24011 transitions. Word has length 656 [2021-11-17 05:46:39,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:46:39,863 INFO L470 AbstractCegarLoop]: Abstraction has 18191 states and 24011 transitions. [2021-11-17 05:46:39,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 10.6875) internal successors, (171), 10 states have internal predecessors, (171), 4 states have call successors, (55), 7 states have call predecessors, (55), 4 states have return successors, (52), 5 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-17 05:46:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 18191 states and 24011 transitions. [2021-11-17 05:46:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2021-11-17 05:46:39,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:46:39,894 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 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] [2021-11-17 05:46:39,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 05:46:39,895 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:46:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:46:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash 395320594, now seen corresponding path program 1 times [2021-11-17 05:46:39,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:46:39,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005497288] [2021-11-17 05:46:39,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:39,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:46:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:46:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:46:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:46:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:46:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:46:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:46:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:46:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:46:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:46:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:46:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:46:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:46:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:46:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:46:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:46:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:46:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:46:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:46:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:46:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:46:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:46:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:46:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:46:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:46:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:46:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:46:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:46:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:46:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:46:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:46:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:46:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 05:46:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 05:46:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 05:46:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 05:46:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 05:46:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 05:46:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-11-17 05:46:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-11-17 05:46:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 05:46:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-11-17 05:46:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-11-17 05:46:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:46:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 05:46:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 05:46:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 05:46:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-11-17 05:46:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-11-17 05:46:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-11-17 05:46:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-11-17 05:46:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2021-11-17 05:46:40,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:46:40,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005497288] [2021-11-17 05:46:40,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005497288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:46:40,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:46:40,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 05:46:40,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037127503] [2021-11-17 05:46:40,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:46:40,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 05:46:40,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:46:40,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 05:46:40,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:46:40,520 INFO L87 Difference]: Start difference. First operand 18191 states and 24011 transitions. Second operand has 10 states, 10 states have (on average 20.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 05:46:47,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:46:47,045 INFO L93 Difference]: Finished difference Result 42903 states and 58043 transitions. [2021-11-17 05:46:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 05:46:47,046 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 20.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 676 [2021-11-17 05:46:47,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:46:47,130 INFO L225 Difference]: With dead ends: 42903 [2021-11-17 05:46:47,130 INFO L226 Difference]: Without dead ends: 24775 [2021-11-17 05:46:47,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2021-11-17 05:46:47,169 INFO L933 BasicCegarLoop]: 1973 mSDtfsCounter, 2983 mSDsluCounter, 6380 mSDsCounter, 0 mSdLazyCounter, 5076 mSolverCounterSat, 2490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 8353 SdHoareTripleChecker+Invalid, 7566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2490 IncrementalHoareTripleChecker+Valid, 5076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:46:47,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3101 Valid, 8353 Invalid, 7566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2490 Valid, 5076 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-17 05:46:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24775 states. [2021-11-17 05:46:47,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24775 to 18215. [2021-11-17 05:46:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18215 states, 13184 states have (on average 1.2999089805825244) internal successors, (17138), 13512 states have internal predecessors, (17138), 3449 states have call successors, (3449), 1590 states have call predecessors, (3449), 1581 states have return successors, (3448), 3364 states have call predecessors, (3448), 3448 states have call successors, (3448) [2021-11-17 05:46:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18215 states to 18215 states and 24035 transitions. [2021-11-17 05:46:47,951 INFO L78 Accepts]: Start accepts. Automaton has 18215 states and 24035 transitions. Word has length 676 [2021-11-17 05:46:47,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:46:47,952 INFO L470 AbstractCegarLoop]: Abstraction has 18215 states and 24035 transitions. [2021-11-17 05:46:47,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.0) internal successors, (200), 5 states have internal predecessors, (200), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 05:46:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18215 states and 24035 transitions. [2021-11-17 05:46:47,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-11-17 05:46:47,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:46:47,980 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2021-11-17 05:46:47,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 05:46:47,981 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:46:47,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:46:47,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1648921529, now seen corresponding path program 1 times [2021-11-17 05:46:47,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:46:47,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815933936] [2021-11-17 05:46:47,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:47,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:46:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:46:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:46:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:46:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:46:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:46:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:46:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:46:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:46:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:46:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:46:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:46:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:46:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:46:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:46:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:46:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:46:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:46:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:46:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:46:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:46:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:46:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:46:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:46:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:46:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:46:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:46:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:46:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:46:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:46:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:46:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:46:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 05:46:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 05:46:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 05:46:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 05:46:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 05:46:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 05:46:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 05:46:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 05:46:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-11-17 05:46:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-11-17 05:46:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 05:46:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:46:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2021-11-17 05:46:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-11-17 05:46:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-11-17 05:46:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2021-11-17 05:46:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:48,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 3922 trivial. 0 not checked. [2021-11-17 05:46:48,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:46:48,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815933936] [2021-11-17 05:46:48,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815933936] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:46:48,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200489107] [2021-11-17 05:46:48,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:48,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:46:48,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:46:48,781 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 05:46:48,784 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 05:46:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:49,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 4825 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 05:46:49,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:46:50,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 05:47:02,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-17 05:47:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 3678 trivial. 0 not checked. [2021-11-17 05:47:02,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:47:02,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200489107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:47:02,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 05:47:02,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 20 [2021-11-17 05:47:02,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406170752] [2021-11-17 05:47:02,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:47:02,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 05:47:02,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:47:02,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 05:47:02,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=330, Unknown=3, NotChecked=0, Total=380 [2021-11-17 05:47:02,941 INFO L87 Difference]: Start difference. First operand 18215 states and 24035 transitions. Second operand has 11 states, 11 states have (on average 17.454545454545453) internal successors, (192), 9 states have internal predecessors, (192), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (58), 6 states have call predecessors, (58), 4 states have call successors, (58) [2021-11-17 05:47:04,964 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 05:47:07,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:09,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:11,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:15,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:47:15,970 INFO L93 Difference]: Finished difference Result 43239 states and 57383 transitions. [2021-11-17 05:47:15,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-17 05:47:15,970 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.454545454545453) internal successors, (192), 9 states have internal predecessors, (192), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (58), 6 states have call predecessors, (58), 4 states have call successors, (58) Word has length 688 [2021-11-17 05:47:15,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:47:16,039 INFO L225 Difference]: With dead ends: 43239 [2021-11-17 05:47:16,040 INFO L226 Difference]: Without dead ends: 25087 [2021-11-17 05:47:16,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 893 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=98, Invalid=655, Unknown=3, NotChecked=0, Total=756 [2021-11-17 05:47:16,078 INFO L933 BasicCegarLoop]: 2516 mSDtfsCounter, 847 mSDsluCounter, 15868 mSDsCounter, 0 mSdLazyCounter, 2869 mSolverCounterSat, 20 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 18384 SdHoareTripleChecker+Invalid, 3228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2869 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 336 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-11-17 05:47:16,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 18384 Invalid, 3228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2869 Invalid, 3 Unknown, 336 Unchecked, 12.2s Time] [2021-11-17 05:47:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25087 states. [2021-11-17 05:47:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25087 to 24439. [2021-11-17 05:47:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24439 states, 18102 states have (on average 1.3258755938570324) internal successors, (24001), 18566 states have internal predecessors, (24001), 4297 states have call successors, (4297), 2072 states have call predecessors, (4297), 2039 states have return successors, (4362), 4070 states have call predecessors, (4362), 4296 states have call successors, (4362) [2021-11-17 05:47:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24439 states to 24439 states and 32660 transitions. [2021-11-17 05:47:16,857 INFO L78 Accepts]: Start accepts. Automaton has 24439 states and 32660 transitions. Word has length 688 [2021-11-17 05:47:16,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:47:16,858 INFO L470 AbstractCegarLoop]: Abstraction has 24439 states and 32660 transitions. [2021-11-17 05:47:16,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.454545454545453) internal successors, (192), 9 states have internal predecessors, (192), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (58), 6 states have call predecessors, (58), 4 states have call successors, (58) [2021-11-17 05:47:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 24439 states and 32660 transitions. [2021-11-17 05:47:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2021-11-17 05:47:16,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:47:16,898 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 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] [2021-11-17 05:47:16,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 05:47:17,115 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,SelfDestructingSolverStorable10 [2021-11-17 05:47:17,116 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:47:17,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:47:17,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1505230308, now seen corresponding path program 1 times [2021-11-17 05:47:17,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:47:17,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357435990] [2021-11-17 05:47:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:47:17,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:47:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:47:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:47:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:47:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:47:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:47:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:47:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:47:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:47:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:47:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:47:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:47:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:47:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:47:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:47:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:47:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:47:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:47:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:47:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:47:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:47:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:47:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:47:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:47:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:47:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:47:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:47:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:47:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:47:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:47:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:47:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:47:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 05:47:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 05:47:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 05:47:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 05:47:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 05:47:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 05:47:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 05:47:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 05:47:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-11-17 05:47:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-11-17 05:47:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-11-17 05:47:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-11-17 05:47:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2021-11-17 05:47:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:47:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:47:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-11-17 05:47:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2021-11-17 05:47:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 05:47:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:47:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-11-17 05:47:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2021-11-17 05:47:17,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:47:17,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357435990] [2021-11-17 05:47:17,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357435990] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:47:17,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526448916] [2021-11-17 05:47:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:47:17,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:47:17,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:47:17,881 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 05:47:17,882 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 05:47:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:47:18,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 4928 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-17 05:47:18,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:47:19,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-17 05:47:19,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-17 05:47:19,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:47:19,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:47:19,898 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-17 05:47:19,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-17 05:47:19,952 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 05:47:19,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2021-11-17 05:47:19,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:47:20,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:47:20,155 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-17 05:47:20,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 37 [2021-11-17 05:47:20,298 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-17 05:47:20,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 22 [2021-11-17 05:47:20,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2021-11-17 05:47:20,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 05:47:20,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2021-11-17 05:47:20,801 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-11-17 05:47:20,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 39 treesize of output 57 [2021-11-17 05:47:21,604 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-17 05:47:21,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 41 [2021-11-17 05:47:22,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:22,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2021-11-17 05:47:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:22,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-17 05:47:22,909 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-17 05:47:22,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 41 [2021-11-17 05:47:23,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 05:47:23,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 05:47:23,341 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-17 05:47:23,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 41 [2021-11-17 05:47:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 05:47:23,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 05:47:23,778 INFO L354 Elim1Store]: treesize reduction 84, result has 18.4 percent of original size [2021-11-17 05:47:23,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2021-11-17 05:47:23,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 84 [2021-11-17 05:47:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 72 [2021-11-17 05:47:23,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-11-17 05:47:23,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:47:23,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2021-11-17 05:47:32,498 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-17 05:47:32,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 31 [2021-11-17 05:47:32,506 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-17 05:47:32,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 23 [2021-11-17 05:47:58,702 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-17 05:47:58,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 120 [2021-11-17 05:47:58,724 INFO L354 Elim1Store]: treesize reduction 66, result has 14.3 percent of original size [2021-11-17 05:47:58,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 106 [2021-11-17 05:47:58,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 86 [2021-11-17 05:48:05,105 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-17 05:48:05,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 62 [2021-11-17 05:48:05,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2021-11-17 05:48:05,124 INFO L354 Elim1Store]: treesize reduction 29, result has 25.6 percent of original size [2021-11-17 05:48:05,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 44 [2021-11-17 05:48:05,147 INFO L354 Elim1Store]: treesize reduction 64, result has 32.6 percent of original size [2021-11-17 05:48:05,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 47 [2021-11-17 05:48:05,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-17 05:48:05,307 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-17 05:48:05,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 41 [2021-11-17 05:48:05,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-17 05:48:05,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-11-17 05:48:15,792 INFO L354 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2021-11-17 05:48:15,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 16 [2021-11-17 05:48:15,819 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-11-17 05:48:15,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 54 treesize of output 60 [2021-11-17 05:48:23,015 INFO L354 Elim1Store]: treesize reduction 126, result has 14.3 percent of original size [2021-11-17 05:48:23,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 77 treesize of output 89 [2021-11-17 05:48:23,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 88 [2021-11-17 05:48:23,049 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 05:48:23,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 42 [2021-11-17 05:48:23,244 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 05:48:23,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 65 [2021-11-17 05:54:34,993 INFO L354 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2021-11-17 05:54:34,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 115 [2021-11-17 05:54:35,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-17 05:54:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1303 proven. 125 refuted. 0 times theorem prover too weak. 2532 trivial. 0 not checked. [2021-11-17 05:54:35,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 05:55:07,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526448916] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:55:07,651 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 05:55:07,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 63] total 72 [2021-11-17 05:55:07,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149651852] [2021-11-17 05:55:07,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 05:55:07,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2021-11-17 05:55:07,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:55:07,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-11-17 05:55:07,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=4911, Unknown=181, NotChecked=0, Total=5402 [2021-11-17 05:55:07,655 INFO L87 Difference]: Start difference. First operand 24439 states and 32660 transitions. Second operand has 72 states, 67 states have (on average 5.552238805970149) internal successors, (372), 49 states have internal predecessors, (372), 24 states have call successors, (126), 21 states have call predecessors, (126), 22 states have return successors, (94), 27 states have call predecessors, (94), 24 states have call successors, (94) [2021-11-17 05:55:09,679 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 05:55:11,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:14,381 WARN L515 Checker$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 05:55:16,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:18,687 WARN L515 Checker$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 05:55:20,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:22,818 WARN L515 Checker$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 05:55:24,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:26,446 WARN L515 Checker$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 05:55:29,068 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 05:57:25,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:57:25,589 INFO L93 Difference]: Finished difference Result 54204 states and 73396 transitions. [2021-11-17 05:57:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-17 05:57:25,590 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 67 states have (on average 5.552238805970149) internal successors, (372), 49 states have internal predecessors, (372), 24 states have call successors, (126), 21 states have call predecessors, (126), 22 states have return successors, (94), 27 states have call predecessors, (94), 24 states have call successors, (94) Word has length 708 [2021-11-17 05:57:25,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:57:25,673 INFO L225 Difference]: With dead ends: 54204 [2021-11-17 05:57:25,673 INFO L226 Difference]: Without dead ends: 29828 [2021-11-17 05:57:25,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 929 SyntacticMatches, 16 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3447 ImplicationChecksByTransitivity, 556.2s TimeCoverageRelationStatistics Valid=578, Invalid=8916, Unknown=208, NotChecked=0, Total=9702 [2021-11-17 05:57:25,716 INFO L933 BasicCegarLoop]: 2061 mSDtfsCounter, 2979 mSDsluCounter, 38763 mSDsCounter, 0 mSdLazyCounter, 22105 mSolverCounterSat, 1641 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 40824 SdHoareTripleChecker+Invalid, 41640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1641 IncrementalHoareTripleChecker+Valid, 22105 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 17886 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:57:25,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3100 Valid, 40824 Invalid, 41640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1641 Valid, 22105 Invalid, 8 Unknown, 17886 Unchecked, 39.1s Time] [2021-11-17 05:57:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29828 states. [2021-11-17 05:57:26,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29828 to 26231. [2021-11-17 05:57:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26231 states, 19693 states have (on average 1.3429137256893313) internal successors, (26446), 20226 states have internal predecessors, (26446), 4357 states have call successors, (4357), 2141 states have call predecessors, (4357), 2180 states have return successors, (4534), 4133 states have call predecessors, (4534), 4356 states have call successors, (4534) [2021-11-17 05:57:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26231 states to 26231 states and 35337 transitions. [2021-11-17 05:57:26,751 INFO L78 Accepts]: Start accepts. Automaton has 26231 states and 35337 transitions. Word has length 708 [2021-11-17 05:57:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:57:26,752 INFO L470 AbstractCegarLoop]: Abstraction has 26231 states and 35337 transitions. [2021-11-17 05:57:26,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 67 states have (on average 5.552238805970149) internal successors, (372), 49 states have internal predecessors, (372), 24 states have call successors, (126), 21 states have call predecessors, (126), 22 states have return successors, (94), 27 states have call predecessors, (94), 24 states have call successors, (94) [2021-11-17 05:57:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 26231 states and 35337 transitions. [2021-11-17 05:57:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2021-11-17 05:57:26,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:57:26,796 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 3, 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] [2021-11-17 05:57:26,823 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 05:57:27,004 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,SelfDestructingSolverStorable11 [2021-11-17 05:57:27,005 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:57:27,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:57:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash -665476800, now seen corresponding path program 1 times [2021-11-17 05:57:27,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:57:27,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429185010] [2021-11-17 05:57:27,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:57:27,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:57:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:57:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:57:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:57:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:57:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:57:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:57:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:57:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:57:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:57:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:57:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:57:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:57:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:57:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:57:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:57:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:57:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:57:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:57:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:57:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:57:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:57:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:57:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:57:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:57:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:57:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:57:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:57:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:57:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:57:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:57:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:57:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 05:57:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 05:57:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 05:57:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 05:57:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 05:57:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 05:57:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2021-11-17 05:57:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-11-17 05:57:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-11-17 05:57:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-11-17 05:57:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-11-17 05:57:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-11-17 05:57:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-11-17 05:57:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2021-11-17 05:57:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 05:57:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:57:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 05:57:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 05:57:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 05:57:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2021-11-17 05:57:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2021-11-17 05:57:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2021-11-17 05:57:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2021-11-17 05:57:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3603 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3601 trivial. 0 not checked. [2021-11-17 05:57:27,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:57:27,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429185010] [2021-11-17 05:57:27,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429185010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:57:27,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:57:27,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 05:57:27,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633899803] [2021-11-17 05:57:27,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:57:27,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 05:57:27,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:57:27,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 05:57:27,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:57:27,720 INFO L87 Difference]: Start difference. First operand 26231 states and 35337 transitions. Second operand has 9 states, 9 states have (on average 25.666666666666668) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2021-11-17 05:57:29,741 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 05:57:31,810 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 05:57:37,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:57:37,553 INFO L93 Difference]: Finished difference Result 56021 states and 76015 transitions. [2021-11-17 05:57:37,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 05:57:37,554 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.666666666666668) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 717 [2021-11-17 05:57:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:57:37,637 INFO L225 Difference]: With dead ends: 56021 [2021-11-17 05:57:37,638 INFO L226 Difference]: Without dead ends: 29853 [2021-11-17 05:57:37,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-11-17 05:57:37,691 INFO L933 BasicCegarLoop]: 1856 mSDtfsCounter, 2601 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 3599 mSolverCounterSat, 2129 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 6553 SdHoareTripleChecker+Invalid, 5730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2129 IncrementalHoareTripleChecker+Valid, 3599 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-17 05:57:37,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2723 Valid, 6553 Invalid, 5730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2129 Valid, 3599 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2021-11-17 05:57:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29853 states. [2021-11-17 05:57:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29853 to 26255. [2021-11-17 05:57:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26255 states, 19717 states have (on average 1.342496322970026) internal successors, (26470), 20250 states have internal predecessors, (26470), 4357 states have call successors, (4357), 2141 states have call predecessors, (4357), 2180 states have return successors, (4534), 4133 states have call predecessors, (4534), 4356 states have call successors, (4534) [2021-11-17 05:57:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26255 states to 26255 states and 35361 transitions. [2021-11-17 05:57:38,562 INFO L78 Accepts]: Start accepts. Automaton has 26255 states and 35361 transitions. Word has length 717 [2021-11-17 05:57:38,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:57:38,563 INFO L470 AbstractCegarLoop]: Abstraction has 26255 states and 35361 transitions. [2021-11-17 05:57:38,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.666666666666668) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2021-11-17 05:57:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 26255 states and 35361 transitions. [2021-11-17 05:57:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2021-11-17 05:57:38,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:57:38,604 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 9, 9, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 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] [2021-11-17 05:57:38,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 05:57:38,604 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:57:38,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:57:38,605 INFO L85 PathProgramCache]: Analyzing trace with hash -715247798, now seen corresponding path program 1 times [2021-11-17 05:57:38,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:57:38,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11052659] [2021-11-17 05:57:38,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:57:38,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:57:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:38,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:57:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:38,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:57:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:57:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:57:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:57:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 05:57:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 05:57:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 05:57:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:57:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:57:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:57:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:57:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:57:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:57:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:57:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:57:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:57:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 05:57:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 05:57:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 05:57:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 05:57:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 05:57:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:57:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 05:57:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 05:57:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:57:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:57:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:57:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 05:57:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 05:57:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 05:57:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 05:57:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:57:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 05:57:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 05:57:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 05:57:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 05:57:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 05:57:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-11-17 05:57:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-11-17 05:57:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 05:57:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-11-17 05:57:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-11-17 05:57:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2021-11-17 05:57:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-11-17 05:57:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-11-17 05:57:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-11-17 05:57:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 05:57:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2021-11-17 05:57:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2021-11-17 05:57:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2021-11-17 05:57:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2021-11-17 05:57:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:39,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4156 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 4129 trivial. 0 not checked. [2021-11-17 05:57:39,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:57:39,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11052659] [2021-11-17 05:57:39,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11052659] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:57:39,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283267585] [2021-11-17 05:57:39,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:57:39,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:57:39,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:57:39,914 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 05:57:39,915 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 05:57:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:40,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 4991 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-17 05:57:40,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:57:41,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-17 05:57:41,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-17 05:57:41,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:41,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:41,849 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-17 05:57:41,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-17 05:57:41,898 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 05:57:41,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2021-11-17 05:57:41,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:41,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:42,078 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-17 05:57:42,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 37 [2021-11-17 05:57:42,194 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-17 05:57:42,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 22 [2021-11-17 05:57:42,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:42,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-17 05:57:42,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 15 [2021-11-17 05:57:42,560 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-11-17 05:57:42,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 39 treesize of output 57 [2021-11-17 05:57:43,273 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-17 05:57:43,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 37 [2021-11-17 05:57:43,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:43,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:43,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-17 05:57:43,813 INFO L354 Elim1Store]: treesize reduction 112, result has 24.8 percent of original size [2021-11-17 05:57:43,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 52 treesize of output 77 [2021-11-17 05:57:45,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2021-11-17 05:57:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:57:45,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-11-17 05:57:45,305 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-11-17 05:57:45,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 56 [2021-11-17 05:57:45,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 05:57:45,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 05:57:45,851 INFO L354 Elim1Store]: treesize reduction 80, result has 1.2 percent of original size [2021-11-17 05:57:45,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 56 [2021-11-17 05:57:46,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2021-11-17 05:57:46,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2021-11-17 05:57:46,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 84 [2021-11-17 05:57:46,307 INFO L354 Elim1Store]: treesize reduction 199, result has 12.3 percent of original size [2021-11-17 05:57:46,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 72 [2021-11-17 05:57:46,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2021-11-17 05:57:46,330 INFO L354 Elim1Store]: treesize reduction 96, result has 16.5 percent of original size [2021-11-17 05:57:46,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 28 [2021-11-17 05:57:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:57:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:57:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 05:57:46,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2021-11-17 05:57:52,946 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-11-17 05:57:52,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 127 [2021-11-17 05:57:52,960 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-17 05:57:52,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 111 [2021-11-17 05:57:53,011 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 05:57:53,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2021-11-17 05:58:20,183 INFO L354 Elim1Store]: treesize reduction 74, result has 28.2 percent of original size [2021-11-17 05:58:20,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 156 [2021-11-17 05:58:20,237 INFO L354 Elim1Store]: treesize reduction 111, result has 20.1 percent of original size [2021-11-17 05:58:20,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 141 treesize of output 159 [2021-11-17 05:58:20,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-17 05:58:20,600 INFO L354 Elim1Store]: treesize reduction 27, result has 35.7 percent of original size [2021-11-17 05:58:20,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-17 05:58:27,045 INFO L354 Elim1Store]: treesize reduction 22, result has 51.1 percent of original size [2021-11-17 05:58:27,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 185 treesize of output 171 [2021-11-17 05:58:27,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 159 [2021-11-17 05:58:27,100 INFO L354 Elim1Store]: treesize reduction 109, result has 21.6 percent of original size [2021-11-17 05:58:27,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 159 treesize of output 179 [2021-11-17 05:58:27,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-11-17 05:58:27,106 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-17 05:58:27,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-17 05:58:27,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780106740] [2021-11-17 05:58:27,106 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-17 05:58:27,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-17 05:58:27,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:58:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-17 05:58:27,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=2601, Unknown=17, NotChecked=0, Total=2862 [2021-11-17 05:58:27,107 INFO L87 Difference]: Start difference. First operand 26255 states and 35361 transitions. Second operand has 13 states, 13 states have (on average 15.461538461538462) internal successors, (201), 6 states have internal predecessors, (201), 2 states have call successors, (64), 7 states have call predecessors, (64), 3 states have return successors, (62), 4 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-17 05:58:27,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-17 05:58:27,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 743 SyntacticMatches, 22 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 36.1s TimeCoverageRelationStatistics Valid=244, Invalid=2601, Unknown=17, NotChecked=0, Total=2862 [2021-11-17 05:58:27,109 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 05:58:27,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 05:58:27,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 05:58:27,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:58:27,310 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@43bed4b5 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:359) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-17 05:58:27,314 INFO L158 Benchmark]: Toolchain (without parser) took 809683.22ms. Allocated memory was 104.9MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 56.1MB in the beginning and 914.6MB in the end (delta: -858.5MB). Peak memory consumption was 496.1MB. Max. memory is 16.1GB. [2021-11-17 05:58:27,314 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 05:58:27,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2252.87ms. Allocated memory was 104.9MB in the beginning and 224.4MB in the end (delta: 119.5MB). Free memory was 55.8MB in the beginning and 135.6MB in the end (delta: -79.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2021-11-17 05:58:27,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.92ms. Allocated memory is still 224.4MB. Free memory was 135.6MB in the beginning and 109.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-17 05:58:27,315 INFO L158 Benchmark]: Boogie Preprocessor took 208.16ms. Allocated memory is still 224.4MB. Free memory was 109.4MB in the beginning and 133.1MB in the end (delta: -23.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2021-11-17 05:58:27,315 INFO L158 Benchmark]: RCFGBuilder took 3703.48ms. Allocated memory was 224.4MB in the beginning and 490.7MB in the end (delta: 266.3MB). Free memory was 133.1MB in the beginning and 175.5MB in the end (delta: -42.4MB). Peak memory consumption was 272.2MB. Max. memory is 16.1GB. [2021-11-17 05:58:27,315 INFO L158 Benchmark]: TraceAbstraction took 803313.27ms. Allocated memory was 490.7MB in the beginning and 1.5GB in the end (delta: 968.9MB). Free memory was 175.5MB in the beginning and 914.6MB in the end (delta: -739.0MB). Peak memory consumption was 229.9MB. Max. memory is 16.1GB. [2021-11-17 05:58:27,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2252.87ms. Allocated memory was 104.9MB in the beginning and 224.4MB in the end (delta: 119.5MB). Free memory was 55.8MB in the beginning and 135.6MB in the end (delta: -79.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.92ms. Allocated memory is still 224.4MB. Free memory was 135.6MB in the beginning and 109.4MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 208.16ms. Allocated memory is still 224.4MB. Free memory was 109.4MB in the beginning and 133.1MB in the end (delta: -23.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3703.48ms. Allocated memory was 224.4MB in the beginning and 490.7MB in the end (delta: 266.3MB). Free memory was 133.1MB in the beginning and 175.5MB in the end (delta: -42.4MB). Peak memory consumption was 272.2MB. Max. memory is 16.1GB. * TraceAbstraction took 803313.27ms. Allocated memory was 490.7MB in the beginning and 1.5GB in the end (delta: 968.9MB). Free memory was 175.5MB in the beginning and 914.6MB in the end (delta: -739.0MB). Peak memory consumption was 229.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@43bed4b5 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@43bed4b5: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-17 05:58:27,529 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-17 05:58:27,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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--xen-netfront.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:58:29,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:58:29,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:58:29,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:58:29,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:58:29,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:58:29,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:58:29,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:58:29,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:58:29,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:58:29,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:58:29,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:58:29,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:58:29,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:58:29,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:58:29,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:58:29,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:58:29,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:58:29,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:58:29,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:58:29,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:58:29,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:58:29,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:58:29,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:58:29,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:58:29,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:58:29,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:58:29,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:58:29,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:58:29,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:58:29,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:58:29,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:58:29,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:58:29,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:58:29,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:58:29,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:58:29,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:58:29,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:58:29,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:58:29,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:58:29,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:58:29,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-17 05:58:29,258 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:58:29,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:58:29,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:58:29,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:58:29,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:58:29,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:58:29,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:58:29,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:58:29,261 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:58:29,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:58:29,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:58:29,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:58:29,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:58:29,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:58:29,262 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-17 05:58:29,262 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-17 05:58:29,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:58:29,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:58:29,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:58:29,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:58:29,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:58:29,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:58:29,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:58:29,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:58:29,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:58:29,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:58:29,264 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-17 05:58:29,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-17 05:58:29,264 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:58:29,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:58:29,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:58:29,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:58:29,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-17 05:58:29,265 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 [2021-11-17 05:58:29,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:58:29,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:58:29,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:58:29,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:58:29,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:58:29,564 INFO L432 ainManager$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--xen-netfront.ko-entry_point.cil.out.i [2021-11-17 05:58:29,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9d8a11f/982d7b23715a42088fa42058b36458bc/FLAGc58bae832 [2021-11-17 05:58:30,268 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:58:30,268 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--xen-netfront.ko-entry_point.cil.out.i [2021-11-17 05:58:30,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9d8a11f/982d7b23715a42088fa42058b36458bc/FLAGc58bae832 [2021-11-17 05:58:30,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9d8a11f/982d7b23715a42088fa42058b36458bc [2021-11-17 05:58:30,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:58:30,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:58:30,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:58:30,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:58:30,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:58:30,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:30" (1/1) ... [2021-11-17 05:58:30,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619146bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:30, skipping insertion in model container [2021-11-17 05:58:30,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:58:30" (1/1) ... [2021-11-17 05:58:30,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:58:30,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:58:32,423 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--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-11-17 05:58:32,483 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:58:32,515 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:58:32,858 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--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2021-11-17 05:58:32,867 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:58:32,990 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:58:32,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32 WrapperNode [2021-11-17 05:58:32,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:58:32,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:58:32,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:58:32,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:58:32,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,202 INFO L137 Inliner]: procedures = 350, calls = 1905, calls flagged for inlining = 163, calls inlined = 135, statements flattened = 4460 [2021-11-17 05:58:33,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:58:33,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:58:33,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:58:33,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:58:33,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:58:33,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:58:33,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:58:33,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:58:33,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:58:32" (1/1) ... [2021-11-17 05:58:33,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:58:33,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:58:33,377 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 05:58:33,399 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 05:58:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-17 05:58:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-17 05:58:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-17 05:58:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:58:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-17 05:58:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-11-17 05:58:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-11-17 05:58:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:58:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:58:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:58:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:58:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 05:58:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 05:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2021-11-17 05:58:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2021-11-17 05:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 05:58:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 05:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-11-17 05:58:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-11-17 05:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 05:58:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 05:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:58:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:58:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 05:58:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 05:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2021-11-17 05:58:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2021-11-17 05:58:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-11-17 05:58:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-11-17 05:58:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-11-17 05:58:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-11-17 05:58:33,412 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2021-11-17 05:58:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2021-11-17 05:58:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2021-11-17 05:58:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2021-11-17 05:58:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:58:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:58:33,413 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2021-11-17 05:58:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2021-11-17 05:58:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2021-11-17 05:58:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2021-11-17 05:58:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 05:58:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 05:58:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 05:58:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 05:58:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-11-17 05:58:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-11-17 05:58:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-17 05:58:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-17 05:58:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 05:58:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 05:58:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-11-17 05:58:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-11-17 05:58:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:58:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:58:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:58:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:58:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-11-17 05:58:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-11-17 05:58:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-11-17 05:58:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-11-17 05:58:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-11-17 05:58:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-11-17 05:58:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2021-11-17 05:58:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2021-11-17 05:58:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 05:58:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 05:58:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-11-17 05:58:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-11-17 05:58:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 05:58:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 05:58:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-11-17 05:58:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-11-17 05:58:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-17 05:58:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-17 05:58:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:58:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-11-17 05:58:33,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-11-17 05:58:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-11-17 05:58:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-11-17 05:58:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-11-17 05:58:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-11-17 05:58:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 05:58:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 05:58:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-17 05:58:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-17 05:58:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2021-11-17 05:58:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2021-11-17 05:58:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:58:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 05:58:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 05:58:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 05:58:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 05:58:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 05:58:33,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 05:58:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 05:58:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 05:58:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-11-17 05:58:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-11-17 05:58:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 05:58:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 05:58:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-17 05:58:33,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-17 05:58:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-17 05:58:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-17 05:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-17 05:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-17 05:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 05:58:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 05:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2021-11-17 05:58:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2021-11-17 05:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-17 05:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-17 05:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-11-17 05:58:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-11-17 05:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-17 05:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 05:58:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 05:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-11-17 05:58:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-11-17 05:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-11-17 05:58:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-11-17 05:58:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-11-17 05:58:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-11-17 05:58:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 05:58:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 05:58:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 05:58:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 05:58:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2021-11-17 05:58:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2021-11-17 05:58:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 05:58:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 05:58:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-17 05:58:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-17 05:58:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-11-17 05:58:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-11-17 05:58:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2021-11-17 05:58:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2021-11-17 05:58:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-17 05:58:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-17 05:58:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-11-17 05:58:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-11-17 05:58:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-17 05:58:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-17 05:58:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 05:58:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 05:58:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 05:58:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 05:58:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-11-17 05:58:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-11-17 05:58:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-11-17 05:58:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-11-17 05:58:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2021-11-17 05:58:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2021-11-17 05:58:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2021-11-17 05:58:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2021-11-17 05:58:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2021-11-17 05:58:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2021-11-17 05:58:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-17 05:58:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-17 05:58:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:58:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:58:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2021-11-17 05:58:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2021-11-17 05:58:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-11-17 05:58:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-11-17 05:58:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 05:58:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 05:58:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 05:58:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 05:58:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-17 05:58:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-17 05:58:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2021-11-17 05:58:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2021-11-17 05:58:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 05:58:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 05:58:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-11-17 05:58:33,431 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-11-17 05:58:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-17 05:58:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-17 05:58:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-17 05:58:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-17 05:58:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-17 05:58:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-17 05:58:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 05:58:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 05:58:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:58:33,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:58:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:58:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:58:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2021-11-17 05:58:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2021-11-17 05:58:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:58:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 05:58:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:58:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:58:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2021-11-17 05:58:33,433 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 05:58:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-17 05:58:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-17 05:58:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 05:58:33,434 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 05:58:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 05:58:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 05:58:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2021-11-17 05:58:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2021-11-17 05:58:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-17 05:58:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-17 05:58:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 05:58:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 05:58:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-11-17 05:58:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-11-17 05:58:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 05:58:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 05:58:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2021-11-17 05:58:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2021-11-17 05:58:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 05:58:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 05:58:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2021-11-17 05:58:33,436 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2021-11-17 05:58:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-17 05:58:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-11-17 05:58:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-11-17 05:58:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:58:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:58:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-11-17 05:58:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-11-17 05:58:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 05:58:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 05:58:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 05:58:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 05:58:34,060 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:58:34,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:58:35,807 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; Killed by 15