./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-32_7a-drivers--hid--usbhid--usbhid.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-32_7a-drivers--hid--usbhid--usbhid.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 ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 03:20:30,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 03:20:30,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 03:20:30,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 03:20:30,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 03:20:30,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 03:20:30,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 03:20:30,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 03:20:30,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 03:20:30,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 03:20:30,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 03:20:30,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 03:20:30,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 03:20:30,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 03:20:30,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 03:20:30,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 03:20:30,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 03:20:30,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 03:20:30,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 03:20:30,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 03:20:30,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 03:20:30,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 03:20:30,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 03:20:30,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 03:20:30,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 03:20:30,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 03:20:30,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 03:20:30,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 03:20:30,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 03:20:30,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 03:20:30,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 03:20:30,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 03:20:30,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 03:20:30,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 03:20:30,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 03:20:30,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 03:20:30,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 03:20:30,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 03:20:30,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 03:20:30,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 03:20:30,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 03:20:30,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 03:20:30,519 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 03:20:30,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 03:20:30,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 03:20:30,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 03:20:30,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 03:20:30,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 03:20:30,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 03:20:30,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 03:20:30,523 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 03:20:30,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 03:20:30,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 03:20:30,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 03:20:30,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 03:20:30,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 03:20:30,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 03:20:30,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 03:20:30,525 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 03:20:30,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 03:20:30,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 03:20:30,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 03:20:30,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 03:20:30,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:20:30,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 03:20:30,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 03:20:30,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 03:20:30,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 03:20:30,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 03:20:30,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 03:20:30,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 03:20:30,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 03:20:30,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 03:20:30,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2021-11-17 03:20:30,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 03:20:30,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 03:20:30,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 03:20:30,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 03:20:30,847 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 03:20:30,848 INFO L432 ainManager$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-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-11-17 03:20:30,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7933b2da/68c1fd7f2e8743838de3f9a6b5dae53f/FLAGe5d5ceb4c [2021-11-17 03:20:31,786 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 03:20:31,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-11-17 03:20:31,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7933b2da/68c1fd7f2e8743838de3f9a6b5dae53f/FLAGe5d5ceb4c [2021-11-17 03:20:32,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7933b2da/68c1fd7f2e8743838de3f9a6b5dae53f [2021-11-17 03:20:32,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 03:20:32,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 03:20:32,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 03:20:32,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 03:20:32,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 03:20:32,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:20:32" (1/1) ... [2021-11-17 03:20:32,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4898bd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:32, skipping insertion in model container [2021-11-17 03:20:32,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:20:32" (1/1) ... [2021-11-17 03:20:32,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 03:20:32,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 03:20:35,566 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-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2021-11-17 03:20:35,925 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:20:35,969 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 03:20:36,350 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-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2021-11-17 03:20:36,392 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:20:36,512 INFO L208 MainTranslator]: Completed translation [2021-11-17 03:20:36,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36 WrapperNode [2021-11-17 03:20:36,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 03:20:36,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 03:20:36,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 03:20:36,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 03:20:36,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:36,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:36,934 INFO L137 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7893 [2021-11-17 03:20:36,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 03:20:36,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 03:20:36,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 03:20:36,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 03:20:36,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:36,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:37,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:37,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:37,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:37,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:37,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:37,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 03:20:37,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 03:20:37,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 03:20:37,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 03:20:37,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (1/1) ... [2021-11-17 03:20:37,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:20:37,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:20:37,521 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 03:20:37,559 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 03:20:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-17 03:20:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-17 03:20:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-17 03:20:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2021-11-17 03:20:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2021-11-17 03:20:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 03:20:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 03:20:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-17 03:20:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-17 03:20:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2021-11-17 03:20:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2021-11-17 03:20:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2021-11-17 03:20:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2021-11-17 03:20:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 03:20:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 03:20:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2021-11-17 03:20:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2021-11-17 03:20:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2021-11-17 03:20:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2021-11-17 03:20:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-17 03:20:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-17 03:20:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2021-11-17 03:20:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2021-11-17 03:20:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-17 03:20:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-17 03:20:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2021-11-17 03:20:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2021-11-17 03:20:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2021-11-17 03:20:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2021-11-17 03:20:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-17 03:20:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-17 03:20:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 03:20:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 03:20:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2021-11-17 03:20:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2021-11-17 03:20:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2021-11-17 03:20:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2021-11-17 03:20:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 03:20:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 03:20:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 03:20:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-11-17 03:20:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-11-17 03:20:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-17 03:20:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-17 03:20:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2021-11-17 03:20:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2021-11-17 03:20:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 03:20:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 03:20:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 03:20:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 03:20:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2021-11-17 03:20:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2021-11-17 03:20:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2021-11-17 03:20:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2021-11-17 03:20:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 03:20:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-11-17 03:20:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-11-17 03:20:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2021-11-17 03:20:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2021-11-17 03:20:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-17 03:20:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-17 03:20:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 03:20:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 03:20:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 03:20:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 03:20:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2021-11-17 03:20:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2021-11-17 03:20:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2021-11-17 03:20:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2021-11-17 03:20:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 03:20:37,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 03:20:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 03:20:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2021-11-17 03:20:37,589 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2021-11-17 03:20:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2021-11-17 03:20:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2021-11-17 03:20:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-11-17 03:20:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-11-17 03:20:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 03:20:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 03:20:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 03:20:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2021-11-17 03:20:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2021-11-17 03:20:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2021-11-17 03:20:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2021-11-17 03:20:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2021-11-17 03:20:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2021-11-17 03:20:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-17 03:20:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-17 03:20:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 03:20:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2021-11-17 03:20:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2021-11-17 03:20:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 03:20:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 03:20:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-17 03:20:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-17 03:20:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2021-11-17 03:20:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2021-11-17 03:20:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-17 03:20:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-11-17 03:20:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 03:20:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 03:20:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 03:20:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 03:20:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2021-11-17 03:20:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2021-11-17 03:20:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 03:20:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 03:20:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-11-17 03:20:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-11-17 03:20:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2021-11-17 03:20:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2021-11-17 03:20:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-17 03:20:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-17 03:20:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2021-11-17 03:20:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2021-11-17 03:20:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 03:20:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 03:20:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2021-11-17 03:20:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2021-11-17 03:20:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 03:20:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-11-17 03:20:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-11-17 03:20:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2021-11-17 03:20:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2021-11-17 03:20:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 03:20:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 03:20:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 03:20:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2021-11-17 03:20:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2021-11-17 03:20:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 03:20:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 03:20:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2021-11-17 03:20:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2021-11-17 03:20:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 03:20:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 03:20:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 03:20:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 03:20:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-17 03:20:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-17 03:20:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2021-11-17 03:20:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2021-11-17 03:20:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-17 03:20:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-17 03:20:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2021-11-17 03:20:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2021-11-17 03:20:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2021-11-17 03:20:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2021-11-17 03:20:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 03:20:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 03:20:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2021-11-17 03:20:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2021-11-17 03:20:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-17 03:20:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-17 03:20:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 03:20:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 03:20:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 03:20:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 03:20:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2021-11-17 03:20:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2021-11-17 03:20:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-17 03:20:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-17 03:20:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2021-11-17 03:20:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2021-11-17 03:20:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-17 03:20:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-17 03:20:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 03:20:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 03:20:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 03:20:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 03:20:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2021-11-17 03:20:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2021-11-17 03:20:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-17 03:20:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-17 03:20:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 03:20:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 03:20:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 03:20:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 03:20:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 03:20:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 03:20:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-11-17 03:20:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-11-17 03:20:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-11-17 03:20:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-11-17 03:20:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-17 03:20:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-17 03:20:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2021-11-17 03:20:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2021-11-17 03:20:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2021-11-17 03:20:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2021-11-17 03:20:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 03:20:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 03:20:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 03:20:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 03:20:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-11-17 03:20:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-11-17 03:20:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 03:20:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 03:20:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2021-11-17 03:20:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2021-11-17 03:20:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 03:20:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 03:20:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-11-17 03:20:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-11-17 03:20:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2021-11-17 03:20:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2021-11-17 03:20:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-17 03:20:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-17 03:20:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-11-17 03:20:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-11-17 03:20:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2021-11-17 03:20:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2021-11-17 03:20:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 03:20:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 03:20:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 03:20:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-17 03:20:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-17 03:20:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2021-11-17 03:20:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2021-11-17 03:20:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2021-11-17 03:20:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2021-11-17 03:20:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 03:20:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2021-11-17 03:20:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2021-11-17 03:20:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2021-11-17 03:20:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2021-11-17 03:20:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-17 03:20:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-17 03:20:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2021-11-17 03:20:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2021-11-17 03:20:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-17 03:20:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-17 03:20:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2021-11-17 03:20:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2021-11-17 03:20:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2021-11-17 03:20:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2021-11-17 03:20:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 03:20:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2021-11-17 03:20:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2021-11-17 03:20:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 03:20:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 03:20:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 03:20:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 03:20:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-17 03:20:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-17 03:20:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 03:20:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 03:20:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2021-11-17 03:20:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2021-11-17 03:20:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-17 03:20:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-17 03:20:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2021-11-17 03:20:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2021-11-17 03:20:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2021-11-17 03:20:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2021-11-17 03:20:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 03:20:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 03:20:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2021-11-17 03:20:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2021-11-17 03:20:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2021-11-17 03:20:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2021-11-17 03:20:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 03:20:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 03:20:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2021-11-17 03:20:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2021-11-17 03:20:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2021-11-17 03:20:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2021-11-17 03:20:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-17 03:20:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-17 03:20:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 03:20:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 03:20:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-11-17 03:20:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-11-17 03:20:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2021-11-17 03:20:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2021-11-17 03:20:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-17 03:20:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-17 03:20:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 03:20:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 03:20:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 03:20:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2021-11-17 03:20:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2021-11-17 03:20:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 03:20:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 03:20:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 03:20:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 03:20:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2021-11-17 03:20:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2021-11-17 03:20:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2021-11-17 03:20:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2021-11-17 03:20:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2021-11-17 03:20:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2021-11-17 03:20:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 03:20:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 03:20:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 03:20:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 03:20:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 03:20:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 03:20:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-17 03:20:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-17 03:20:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 03:20:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 03:20:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-17 03:20:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-17 03:20:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 03:20:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 03:20:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2021-11-17 03:20:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2021-11-17 03:20:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2021-11-17 03:20:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2021-11-17 03:20:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2021-11-17 03:20:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2021-11-17 03:20:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 03:20:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 03:20:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2021-11-17 03:20:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2021-11-17 03:20:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 03:20:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-17 03:20:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-17 03:20:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-11-17 03:20:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-11-17 03:20:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2021-11-17 03:20:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2021-11-17 03:20:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2021-11-17 03:20:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2021-11-17 03:20:38,598 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 03:20:38,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 03:20:39,112 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 03:20:55,011 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 03:20:55,041 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 03:20:55,041 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 03:20:55,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:20:55 BoogieIcfgContainer [2021-11-17 03:20:55,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 03:20:55,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 03:20:55,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 03:20:55,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 03:20:55,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:20:32" (1/3) ... [2021-11-17 03:20:55,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694ee4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:20:55, skipping insertion in model container [2021-11-17 03:20:55,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:20:36" (2/3) ... [2021-11-17 03:20:55,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694ee4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:20:55, skipping insertion in model container [2021-11-17 03:20:55,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:20:55" (3/3) ... [2021-11-17 03:20:55,056 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-11-17 03:20:55,061 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 03:20:55,061 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 03:20:55,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 03:20:55,121 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 03:20:55,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 03:20:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) [2021-11-17 03:20:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-17 03:20:55,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:20:55,219 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:20:55,220 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:20:55,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:20:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2033859670, now seen corresponding path program 1 times [2021-11-17 03:20:55,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:20:55,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990657673] [2021-11-17 03:20:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:20:55,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:20:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:20:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:20:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:20:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:20:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:20:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:20:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:20:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:20:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:20:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:20:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:20:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:20:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:20:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:20:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:20:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-11-17 03:20:56,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:20:56,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990657673] [2021-11-17 03:20:56,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990657673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:20:56,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:20:56,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 03:20:56,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497101811] [2021-11-17 03:20:56,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:20:56,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 03:20:56,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:20:56,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 03:20:56,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 03:20:56,495 INFO L87 Difference]: Start difference. First operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 03:20:58,582 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 03:21:00,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:14,406 WARN L515 Checker$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 03:21:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:21:15,127 INFO L93 Difference]: Finished difference Result 5942 states and 8888 transitions. [2021-11-17 03:21:15,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 03:21:15,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2021-11-17 03:21:15,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:21:15,173 INFO L225 Difference]: With dead ends: 5942 [2021-11-17 03:21:15,173 INFO L226 Difference]: Without dead ends: 3119 [2021-11-17 03:21:15,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:21:15,197 INFO L933 BasicCegarLoop]: 3793 mSDtfsCounter, 1738 mSDsluCounter, 4682 mSDsCounter, 0 mSdLazyCounter, 3496 mSolverCounterSat, 1736 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 8475 SdHoareTripleChecker+Invalid, 5235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1736 IncrementalHoareTripleChecker+Valid, 3496 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:21:15,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1811 Valid, 8475 Invalid, 5235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1736 Valid, 3496 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2021-11-17 03:21:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2021-11-17 03:21:15,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2796. [2021-11-17 03:21:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1951 states have (on average 1.3680164018452077) internal successors, (2669), 2011 states have internal predecessors, (2669), 693 states have call successors, (693), 152 states have call predecessors, (693), 151 states have return successors, (681), 676 states have call predecessors, (681), 681 states have call successors, (681) [2021-11-17 03:21:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4043 transitions. [2021-11-17 03:21:15,443 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4043 transitions. Word has length 209 [2021-11-17 03:21:15,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:21:15,444 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4043 transitions. [2021-11-17 03:21:15,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 03:21:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4043 transitions. [2021-11-17 03:21:15,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-17 03:21:15,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:21:15,454 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:21:15,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 03:21:15,455 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:21:15,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:21:15,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1431916382, now seen corresponding path program 1 times [2021-11-17 03:21:15,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:21:15,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95989312] [2021-11-17 03:21:15,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:21:15,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:21:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:21:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:21:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:21:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:21:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:21:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:21:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:21:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:21:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:21:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:21:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:21:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:21:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:21:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:21:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:21:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-11-17 03:21:16,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:21:16,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95989312] [2021-11-17 03:21:16,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95989312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:21:16,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:21:16,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 03:21:16,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422360098] [2021-11-17 03:21:16,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:21:16,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 03:21:16,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:21:16,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 03:21:16,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:21:16,238 INFO L87 Difference]: Start difference. First operand 2796 states and 4043 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-17 03:21:18,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:20,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:36,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:40,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:21:40,378 INFO L93 Difference]: Finished difference Result 8720 states and 12824 transitions. [2021-11-17 03:21:40,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 03:21:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 209 [2021-11-17 03:21:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:21:40,426 INFO L225 Difference]: With dead ends: 8720 [2021-11-17 03:21:40,426 INFO L226 Difference]: Without dead ends: 5959 [2021-11-17 03:21:40,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:21:40,446 INFO L933 BasicCegarLoop]: 4437 mSDtfsCounter, 6470 mSDsluCounter, 8053 mSDsCounter, 0 mSdLazyCounter, 6363 mSolverCounterSat, 3682 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 12490 SdHoareTripleChecker+Invalid, 10047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3682 IncrementalHoareTripleChecker+Valid, 6363 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-11-17 03:21:40,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6970 Valid, 12490 Invalid, 10047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3682 Valid, 6363 Invalid, 2 Unknown, 0 Unchecked, 23.5s Time] [2021-11-17 03:21:40,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-11-17 03:21:40,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5293. [2021-11-17 03:21:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.3645692681609505) internal successors, (5053), 3809 states have internal predecessors, (5053), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2021-11-17 03:21:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7627 transitions. [2021-11-17 03:21:40,719 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7627 transitions. Word has length 209 [2021-11-17 03:21:40,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:21:40,721 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7627 transitions. [2021-11-17 03:21:40,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-17 03:21:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7627 transitions. [2021-11-17 03:21:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-17 03:21:40,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:21:40,725 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:21:40,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 03:21:40,726 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:21:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:21:40,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1991189126, now seen corresponding path program 1 times [2021-11-17 03:21:40,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:21:40,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037488726] [2021-11-17 03:21:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:21:40,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:21:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:21:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:21:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:21:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:21:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:21:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:21:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:21:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:21:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:21:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:21:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:21:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:21:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:21:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:21:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:21:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:41,435 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-11-17 03:21:41,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:21:41,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037488726] [2021-11-17 03:21:41,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037488726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:21:41,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:21:41,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:21:41,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354585086] [2021-11-17 03:21:41,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:21:41,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:21:41,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:21:41,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:21:41,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:21:41,439 INFO L87 Difference]: Start difference. First operand 5293 states and 7627 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-17 03:21:43,500 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 03:21:55,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:21:55,963 INFO L93 Difference]: Finished difference Result 12705 states and 18871 transitions. [2021-11-17 03:21:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 03:21:55,964 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 215 [2021-11-17 03:21:55,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:21:56,007 INFO L225 Difference]: With dead ends: 12705 [2021-11-17 03:21:56,007 INFO L226 Difference]: Without dead ends: 7447 [2021-11-17 03:21:56,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:21:56,028 INFO L933 BasicCegarLoop]: 4653 mSDtfsCounter, 4728 mSDsluCounter, 9516 mSDsCounter, 0 mSdLazyCounter, 3672 mSolverCounterSat, 3287 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5020 SdHoareTripleChecker+Valid, 14169 SdHoareTripleChecker+Invalid, 6960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3287 IncrementalHoareTripleChecker+Valid, 3672 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:21:56,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5020 Valid, 14169 Invalid, 6960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3287 Valid, 3672 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2021-11-17 03:21:56,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2021-11-17 03:21:56,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 5293. [2021-11-17 03:21:56,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.364029165541453) internal successors, (5051), 3807 states have internal predecessors, (5051), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2021-11-17 03:21:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7625 transitions. [2021-11-17 03:21:56,280 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7625 transitions. Word has length 215 [2021-11-17 03:21:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:21:56,281 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7625 transitions. [2021-11-17 03:21:56,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-17 03:21:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7625 transitions. [2021-11-17 03:21:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-17 03:21:56,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:21:56,286 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:21:56,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 03:21:56,286 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:21:56,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:21:56,287 INFO L85 PathProgramCache]: Analyzing trace with hash -896631735, now seen corresponding path program 1 times [2021-11-17 03:21:56,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:21:56,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131177810] [2021-11-17 03:21:56,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:21:56,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:21:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:21:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:21:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:21:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:21:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:21:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:21:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:21:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:21:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:21:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:21:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:21:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:21:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:21:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:21:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:21:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:21:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:21:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:21:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:21:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:21:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-11-17 03:21:56,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:21:56,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131177810] [2021-11-17 03:21:56,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131177810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:21:56,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:21:56,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:21:56,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409688613] [2021-11-17 03:21:56,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:21:56,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:21:56,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:21:56,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:21:56,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:21:56,919 INFO L87 Difference]: Start difference. First operand 5293 states and 7625 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 03:21:58,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:01,025 WARN L515 Checker$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 03:22:03,070 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 03:22:16,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:22:16,814 INFO L93 Difference]: Finished difference Result 17463 states and 25803 transitions. [2021-11-17 03:22:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:22:16,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2021-11-17 03:22:16,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:22:16,919 INFO L225 Difference]: With dead ends: 17463 [2021-11-17 03:22:16,919 INFO L226 Difference]: Without dead ends: 12205 [2021-11-17 03:22:16,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:22:16,954 INFO L933 BasicCegarLoop]: 4636 mSDtfsCounter, 10376 mSDsluCounter, 6926 mSDsCounter, 0 mSdLazyCounter, 4890 mSolverCounterSat, 7533 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11013 SdHoareTripleChecker+Valid, 11562 SdHoareTripleChecker+Invalid, 12426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7533 IncrementalHoareTripleChecker+Valid, 4890 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-17 03:22:16,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11013 Valid, 11562 Invalid, 12426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7533 Valid, 4890 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2021-11-17 03:22:16,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12205 states. [2021-11-17 03:22:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12205 to 10429. [2021-11-17 03:22:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10429 states, 7298 states have (on average 1.3639353247465058) internal successors, (9954), 7491 states have internal predecessors, (9954), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2021-11-17 03:22:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10429 states to 10429 states and 15018 transitions. [2021-11-17 03:22:17,424 INFO L78 Accepts]: Start accepts. Automaton has 10429 states and 15018 transitions. Word has length 223 [2021-11-17 03:22:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:22:17,425 INFO L470 AbstractCegarLoop]: Abstraction has 10429 states and 15018 transitions. [2021-11-17 03:22:17,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 03:22:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 10429 states and 15018 transitions. [2021-11-17 03:22:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-17 03:22:17,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:22:17,431 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:17,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 03:22:17,431 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:22:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:22:17,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1707076702, now seen corresponding path program 1 times [2021-11-17 03:22:17,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:22:17,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118418349] [2021-11-17 03:22:17,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:22:17,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:22:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:22:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:22:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:22:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:22:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:22:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:22:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:22:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:22:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:22:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:22:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:22:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:22:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:22:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:22:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:22:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:22:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-11-17 03:22:18,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:22:18,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118418349] [2021-11-17 03:22:18,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118418349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:22:18,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:22:18,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:22:18,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065971776] [2021-11-17 03:22:18,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:22:18,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:22:18,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:22:18,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:22:18,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:22:18,145 INFO L87 Difference]: Start difference. First operand 10429 states and 15018 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-11-17 03:22:20,202 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 03:22:22,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:33,421 WARN L515 Checker$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 03:22:35,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:22:35,203 INFO L93 Difference]: Finished difference Result 23188 states and 34104 transitions. [2021-11-17 03:22:35,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 03:22:35,204 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 234 [2021-11-17 03:22:35,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:22:35,275 INFO L225 Difference]: With dead ends: 23188 [2021-11-17 03:22:35,275 INFO L226 Difference]: Without dead ends: 12794 [2021-11-17 03:22:35,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:22:35,327 INFO L933 BasicCegarLoop]: 4313 mSDtfsCounter, 6185 mSDsluCounter, 7581 mSDsCounter, 0 mSdLazyCounter, 4110 mSolverCounterSat, 2849 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6665 SdHoareTripleChecker+Valid, 11894 SdHoareTripleChecker+Invalid, 6962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2849 IncrementalHoareTripleChecker+Valid, 4110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-11-17 03:22:35,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6665 Valid, 11894 Invalid, 6962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2849 Valid, 4110 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2021-11-17 03:22:35,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12794 states. [2021-11-17 03:22:35,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12794 to 10433. [2021-11-17 03:22:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10433 states, 7302 states have (on average 1.3635990139687757) internal successors, (9957), 7495 states have internal predecessors, (9957), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2021-11-17 03:22:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10433 states to 10433 states and 15021 transitions. [2021-11-17 03:22:35,808 INFO L78 Accepts]: Start accepts. Automaton has 10433 states and 15021 transitions. Word has length 234 [2021-11-17 03:22:35,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:22:35,809 INFO L470 AbstractCegarLoop]: Abstraction has 10433 states and 15021 transitions. [2021-11-17 03:22:35,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-11-17 03:22:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 10433 states and 15021 transitions. [2021-11-17 03:22:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-17 03:22:35,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:22:35,817 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:35,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 03:22:35,817 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:22:35,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:22:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1142717581, now seen corresponding path program 1 times [2021-11-17 03:22:35,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:22:35,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096746534] [2021-11-17 03:22:35,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:22:35,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:22:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:22:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:22:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:22:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:22:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:22:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:22:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:22:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:22:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:22:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:22:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:22:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:22:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:22:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:22:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:22:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:22:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:22:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:22:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-11-17 03:22:36,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:22:36,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096746534] [2021-11-17 03:22:36,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096746534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:22:36,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:22:36,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:22:36,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244989139] [2021-11-17 03:22:36,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:22:36,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:22:36,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:22:36,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:22:36,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:22:36,515 INFO L87 Difference]: Start difference. First operand 10433 states and 15021 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:22:38,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:40,616 WARN L515 Checker$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 03:22:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:22:51,562 INFO L93 Difference]: Finished difference Result 19643 states and 29010 transitions. [2021-11-17 03:22:51,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:22:51,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 250 [2021-11-17 03:22:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:22:51,688 INFO L225 Difference]: With dead ends: 19643 [2021-11-17 03:22:51,689 INFO L226 Difference]: Without dead ends: 19639 [2021-11-17 03:22:51,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:22:51,713 INFO L933 BasicCegarLoop]: 3956 mSDtfsCounter, 9219 mSDsluCounter, 5178 mSDsCounter, 0 mSdLazyCounter, 4027 mSolverCounterSat, 6524 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9808 SdHoareTripleChecker+Valid, 9134 SdHoareTripleChecker+Invalid, 10553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6524 IncrementalHoareTripleChecker+Valid, 4027 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-17 03:22:51,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9808 Valid, 9134 Invalid, 10553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6524 Valid, 4027 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2021-11-17 03:22:51,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19639 states. [2021-11-17 03:22:52,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19639 to 16383. [2021-11-17 03:22:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16383 states, 11394 states have (on average 1.3487800596805337) internal successors, (15368), 11711 states have internal predecessors, (15368), 3954 states have call successors, (3954), 1035 states have call predecessors, (3954), 1034 states have return successors, (3944), 3920 states have call predecessors, (3944), 3944 states have call successors, (3944) [2021-11-17 03:22:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16383 states to 16383 states and 23266 transitions. [2021-11-17 03:22:52,458 INFO L78 Accepts]: Start accepts. Automaton has 16383 states and 23266 transitions. Word has length 250 [2021-11-17 03:22:52,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:22:52,459 INFO L470 AbstractCegarLoop]: Abstraction has 16383 states and 23266 transitions. [2021-11-17 03:22:52,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:22:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 16383 states and 23266 transitions. [2021-11-17 03:22:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-17 03:22:52,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:22:52,465 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:22:52,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 03:22:52,466 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:22:52,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:22:52,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1065672369, now seen corresponding path program 1 times [2021-11-17 03:22:52,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:22:52,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467543685] [2021-11-17 03:22:52,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:22:52,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:22:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:22:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:22:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:22:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:22:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:22:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:22:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:22:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:22:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:22:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:22:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:22:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:22:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:22:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:22:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:22:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:22:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:22:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:22:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-11-17 03:22:53,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:22:53,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467543685] [2021-11-17 03:22:53,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467543685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:22:53,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:22:53,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:22:53,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936722764] [2021-11-17 03:22:53,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:22:53,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:22:53,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:22:53,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:22:53,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:22:53,147 INFO L87 Difference]: Start difference. First operand 16383 states and 23266 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:22:55,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:57,286 WARN L515 Checker$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 03:22:59,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:09,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:10,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:23:10,232 INFO L93 Difference]: Finished difference Result 21111 states and 30905 transitions. [2021-11-17 03:23:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 03:23:10,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 251 [2021-11-17 03:23:10,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:23:10,349 INFO L225 Difference]: With dead ends: 21111 [2021-11-17 03:23:10,349 INFO L226 Difference]: Without dead ends: 21107 [2021-11-17 03:23:10,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:23:10,373 INFO L933 BasicCegarLoop]: 3715 mSDtfsCounter, 6502 mSDsluCounter, 4713 mSDsCounter, 0 mSdLazyCounter, 3705 mSolverCounterSat, 3645 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6991 SdHoareTripleChecker+Valid, 8428 SdHoareTripleChecker+Invalid, 7353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3645 IncrementalHoareTripleChecker+Valid, 3705 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-11-17 03:23:10,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6991 Valid, 8428 Invalid, 7353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3645 Valid, 3705 Invalid, 3 Unknown, 0 Unchecked, 16.4s Time] [2021-11-17 03:23:10,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21107 states. [2021-11-17 03:23:10,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21107 to 17589. [2021-11-17 03:23:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17589 states, 12250 states have (on average 1.3458775510204082) internal successors, (16487), 12589 states have internal predecessors, (16487), 4132 states have call successors, (4132), 1207 states have call predecessors, (4132), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-11-17 03:23:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17589 states to 17589 states and 24743 transitions. [2021-11-17 03:23:11,091 INFO L78 Accepts]: Start accepts. Automaton has 17589 states and 24743 transitions. Word has length 251 [2021-11-17 03:23:11,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:23:11,091 INFO L470 AbstractCegarLoop]: Abstraction has 17589 states and 24743 transitions. [2021-11-17 03:23:11,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:23:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 17589 states and 24743 transitions. [2021-11-17 03:23:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-17 03:23:11,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:23:11,097 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:11,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 03:23:11,098 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:23:11,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:23:11,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1322734070, now seen corresponding path program 1 times [2021-11-17 03:23:11,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:23:11,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99981087] [2021-11-17 03:23:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:23:11,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:23:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:23:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:23:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:23:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:23:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:23:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:23:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:23:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:23:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:23:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:23:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:23:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:23:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:23:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:23:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:23:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:23:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:23:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:23:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-11-17 03:23:11,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:23:11,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99981087] [2021-11-17 03:23:11,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99981087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:23:11,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:23:11,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:23:11,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456497539] [2021-11-17 03:23:11,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:23:11,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:23:11,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:23:11,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:23:11,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:23:11,719 INFO L87 Difference]: Start difference. First operand 17589 states and 24743 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:23:13,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:15,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:26,539 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 03:23:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:23:27,812 INFO L93 Difference]: Finished difference Result 21107 states and 30893 transitions. [2021-11-17 03:23:27,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 03:23:27,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 252 [2021-11-17 03:23:27,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:23:27,935 INFO L225 Difference]: With dead ends: 21107 [2021-11-17 03:23:27,935 INFO L226 Difference]: Without dead ends: 21104 [2021-11-17 03:23:27,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 03:23:27,960 INFO L933 BasicCegarLoop]: 3704 mSDtfsCounter, 6084 mSDsluCounter, 4765 mSDsCounter, 0 mSdLazyCounter, 3737 mSolverCounterSat, 3500 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6576 SdHoareTripleChecker+Valid, 8469 SdHoareTripleChecker+Invalid, 7240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3500 IncrementalHoareTripleChecker+Valid, 3737 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-17 03:23:27,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6576 Valid, 8469 Invalid, 7240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3500 Valid, 3737 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2021-11-17 03:23:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21104 states. [2021-11-17 03:23:28,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21104 to 17588. [2021-11-17 03:23:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17588 states, 12250 states have (on average 1.345795918367347) internal successors, (16486), 12588 states have internal predecessors, (16486), 4131 states have call successors, (4131), 1207 states have call predecessors, (4131), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-11-17 03:23:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17588 states to 17588 states and 24741 transitions. [2021-11-17 03:23:28,717 INFO L78 Accepts]: Start accepts. Automaton has 17588 states and 24741 transitions. Word has length 252 [2021-11-17 03:23:28,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:23:28,719 INFO L470 AbstractCegarLoop]: Abstraction has 17588 states and 24741 transitions. [2021-11-17 03:23:28,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:23:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 17588 states and 24741 transitions. [2021-11-17 03:23:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-17 03:23:28,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:23:28,724 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:28,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 03:23:28,725 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:23:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:23:28,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1946072782, now seen corresponding path program 1 times [2021-11-17 03:23:28,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:23:28,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762877661] [2021-11-17 03:23:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:23:28,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:23:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:23:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:23:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:23:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:23:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:23:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:23:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:23:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:23:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:23:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:23:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:23:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:23:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:23:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:23:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:23:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:23:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:23:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:23:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-11-17 03:23:29,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:23:29,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762877661] [2021-11-17 03:23:29,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762877661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:23:29,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:23:29,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:23:29,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406948964] [2021-11-17 03:23:29,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:23:29,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:23:29,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:23:29,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:23:29,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:23:29,449 INFO L87 Difference]: Start difference. First operand 17588 states and 24741 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:23:31,510 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 03:23:33,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:35,588 WARN L515 Checker$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 03:23:46,244 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 03:23:47,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:23:47,835 INFO L93 Difference]: Finished difference Result 21106 states and 30891 transitions. [2021-11-17 03:23:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 03:23:47,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 253 [2021-11-17 03:23:47,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:23:47,964 INFO L225 Difference]: With dead ends: 21106 [2021-11-17 03:23:47,964 INFO L226 Difference]: Without dead ends: 21103 [2021-11-17 03:23:47,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 03:23:47,988 INFO L933 BasicCegarLoop]: 3724 mSDtfsCounter, 5440 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 3670 mSolverCounterSat, 2637 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5931 SdHoareTripleChecker+Valid, 8735 SdHoareTripleChecker+Invalid, 6311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2637 IncrementalHoareTripleChecker+Valid, 3670 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-11-17 03:23:47,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5931 Valid, 8735 Invalid, 6311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2637 Valid, 3670 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2021-11-17 03:23:48,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21103 states. [2021-11-17 03:23:48,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21103 to 17587. [2021-11-17 03:23:48,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17587 states, 12250 states have (on average 1.3457142857142856) internal successors, (16485), 12587 states have internal predecessors, (16485), 4130 states have call successors, (4130), 1207 states have call predecessors, (4130), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-11-17 03:23:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17587 states to 17587 states and 24739 transitions. [2021-11-17 03:23:48,723 INFO L78 Accepts]: Start accepts. Automaton has 17587 states and 24739 transitions. Word has length 253 [2021-11-17 03:23:48,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:23:48,724 INFO L470 AbstractCegarLoop]: Abstraction has 17587 states and 24739 transitions. [2021-11-17 03:23:48,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:23:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 17587 states and 24739 transitions. [2021-11-17 03:23:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-17 03:23:48,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:23:48,730 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:23:48,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 03:23:48,730 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:23:48,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:23:48,731 INFO L85 PathProgramCache]: Analyzing trace with hash -199865223, now seen corresponding path program 1 times [2021-11-17 03:23:48,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:23:48,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12068032] [2021-11-17 03:23:48,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:23:48,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:23:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:23:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:23:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:23:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:23:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:23:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:23:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:23:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:23:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:23:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:23:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:23:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:23:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:23:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:23:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:23:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:23:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:23:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:23:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:23:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:23:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:23:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-11-17 03:23:49,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:23:49,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12068032] [2021-11-17 03:23:49,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12068032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:23:49,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:23:49,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:23:49,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467591401] [2021-11-17 03:23:49,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:23:49,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:23:49,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:23:49,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:23:49,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:23:49,490 INFO L87 Difference]: Start difference. First operand 17587 states and 24739 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:23:51,550 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 03:23:53,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:02,956 WARN L515 Checker$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 03:24:03,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:24:03,628 INFO L93 Difference]: Finished difference Result 21105 states and 30889 transitions. [2021-11-17 03:24:03,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 03:24:03,632 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 254 [2021-11-17 03:24:03,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:24:03,746 INFO L225 Difference]: With dead ends: 21105 [2021-11-17 03:24:03,746 INFO L226 Difference]: Without dead ends: 21102 [2021-11-17 03:24:03,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 03:24:03,773 INFO L933 BasicCegarLoop]: 3719 mSDtfsCounter, 7116 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 4454 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7609 SdHoareTripleChecker+Valid, 7031 SdHoareTripleChecker+Invalid, 6759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4454 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-11-17 03:24:03,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7609 Valid, 7031 Invalid, 6759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4454 Valid, 2302 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2021-11-17 03:24:03,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21102 states. [2021-11-17 03:24:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21102 to 17586. [2021-11-17 03:24:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17586 states, 12250 states have (on average 1.3456326530612246) internal successors, (16484), 12586 states have internal predecessors, (16484), 4129 states have call successors, (4129), 1207 states have call predecessors, (4129), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2021-11-17 03:24:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17586 states to 17586 states and 24737 transitions. [2021-11-17 03:24:04,659 INFO L78 Accepts]: Start accepts. Automaton has 17586 states and 24737 transitions. Word has length 254 [2021-11-17 03:24:04,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:24:04,659 INFO L470 AbstractCegarLoop]: Abstraction has 17586 states and 24737 transitions. [2021-11-17 03:24:04,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:24:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 17586 states and 24737 transitions. [2021-11-17 03:24:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-17 03:24:04,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:24:04,664 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:24:04,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 03:24:04,664 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:24:04,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:24:04,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1902000875, now seen corresponding path program 1 times [2021-11-17 03:24:04,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:24:04,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849347683] [2021-11-17 03:24:04,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:24:04,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:24:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:24:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:24:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:24:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:24:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:24:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:24:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:24:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:24:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:24:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:24:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:24:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:24:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:24:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:24:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:24:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:24:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:24:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:24:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-11-17 03:24:05,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:24:05,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849347683] [2021-11-17 03:24:05,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849347683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:24:05,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:24:05,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:24:05,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531382678] [2021-11-17 03:24:05,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:24:05,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:24:05,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:24:05,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:24:05,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:24:05,303 INFO L87 Difference]: Start difference. First operand 17586 states and 24737 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:24:07,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:09,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:11,475 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 03:24:29,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:24:29,906 INFO L93 Difference]: Finished difference Result 59626 states and 86288 transitions. [2021-11-17 03:24:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:24:29,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2021-11-17 03:24:29,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:24:30,182 INFO L225 Difference]: With dead ends: 59626 [2021-11-17 03:24:30,182 INFO L226 Difference]: Without dead ends: 42013 [2021-11-17 03:24:30,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:24:30,290 INFO L933 BasicCegarLoop]: 4190 mSDtfsCounter, 8662 mSDsluCounter, 7972 mSDsCounter, 0 mSdLazyCounter, 6408 mSolverCounterSat, 6108 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9298 SdHoareTripleChecker+Valid, 12162 SdHoareTripleChecker+Invalid, 12519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6108 IncrementalHoareTripleChecker+Valid, 6408 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2021-11-17 03:24:30,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9298 Valid, 12162 Invalid, 12519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6108 Valid, 6408 Invalid, 3 Unknown, 0 Unchecked, 23.1s Time] [2021-11-17 03:24:30,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42013 states. [2021-11-17 03:24:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42013 to 34969. [2021-11-17 03:24:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34969 states, 24389 states have (on average 1.3464676698511624) internal successors, (32839), 25056 states have internal predecessors, (32839), 8181 states have call successors, (8181), 2400 states have call predecessors, (8181), 2398 states have return successors, (8183), 8112 states have call predecessors, (8183), 8171 states have call successors, (8183) [2021-11-17 03:24:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34969 states to 34969 states and 49203 transitions. [2021-11-17 03:24:32,044 INFO L78 Accepts]: Start accepts. Automaton has 34969 states and 49203 transitions. Word has length 255 [2021-11-17 03:24:32,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:24:32,044 INFO L470 AbstractCegarLoop]: Abstraction has 34969 states and 49203 transitions. [2021-11-17 03:24:32,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 03:24:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 34969 states and 49203 transitions. [2021-11-17 03:24:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-17 03:24:32,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:24:32,050 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-17 03:24:32,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 03:24:32,051 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:24:32,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:24:32,051 INFO L85 PathProgramCache]: Analyzing trace with hash -698177215, now seen corresponding path program 1 times [2021-11-17 03:24:32,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:24:32,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209778129] [2021-11-17 03:24:32,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:24:32,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:24:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:24:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:24:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:24:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:24:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:24:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:24:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:24:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:24:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:24:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:24:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:24:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:24:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:24:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:24:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:24:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-17 03:24:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 03:24:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 03:24:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:24:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 03:24:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:24:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 03:24:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:24:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:24:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2021-11-17 03:24:32,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:24:32,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209778129] [2021-11-17 03:24:32,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209778129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:24:32,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:24:32,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 03:24:32,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925535824] [2021-11-17 03:24:32,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:24:32,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 03:24:32,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:24:32,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 03:24:32,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:24:32,984 INFO L87 Difference]: Start difference. First operand 34969 states and 49203 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 03:24:35,045 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 03:24:37,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:39,134 WARN L515 Checker$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 03:24:41,175 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 03:25:18,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:25:18,067 INFO L93 Difference]: Finished difference Result 112736 states and 163505 transitions. [2021-11-17 03:25:18,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 03:25:18,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 274 [2021-11-17 03:25:18,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:25:18,417 INFO L225 Difference]: With dead ends: 112736 [2021-11-17 03:25:18,418 INFO L226 Difference]: Without dead ends: 77802 [2021-11-17 03:25:18,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2021-11-17 03:25:18,517 INFO L933 BasicCegarLoop]: 5097 mSDtfsCounter, 9942 mSDsluCounter, 10262 mSDsCounter, 0 mSdLazyCounter, 14104 mSolverCounterSat, 7836 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10531 SdHoareTripleChecker+Valid, 15359 SdHoareTripleChecker+Invalid, 21944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7836 IncrementalHoareTripleChecker+Valid, 14104 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:25:18,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10531 Valid, 15359 Invalid, 21944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7836 Valid, 14104 Invalid, 4 Unknown, 0 Unchecked, 41.0s Time] [2021-11-17 03:25:18,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77802 states. [2021-11-17 03:25:21,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77802 to 60525. [2021-11-17 03:25:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60525 states, 42373 states have (on average 1.3469190286267199) internal successors, (57073), 43476 states have internal predecessors, (57073), 13839 states have call successors, (13839), 4314 states have call predecessors, (13839), 4312 states have return successors, (13853), 13714 states have call predecessors, (13853), 13829 states have call successors, (13853) [2021-11-17 03:25:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60525 states to 60525 states and 84765 transitions. [2021-11-17 03:25:22,074 INFO L78 Accepts]: Start accepts. Automaton has 60525 states and 84765 transitions. Word has length 274 [2021-11-17 03:25:22,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:25:22,075 INFO L470 AbstractCegarLoop]: Abstraction has 60525 states and 84765 transitions. [2021-11-17 03:25:22,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 03:25:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 60525 states and 84765 transitions. [2021-11-17 03:25:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-17 03:25:22,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:25:22,093 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-11-17 03:25:22,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 03:25:22,094 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:25:22,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:25:22,094 INFO L85 PathProgramCache]: Analyzing trace with hash -808244806, now seen corresponding path program 1 times [2021-11-17 03:25:22,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:25:22,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130540542] [2021-11-17 03:25:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:25:22,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:25:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:25:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:25:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:25:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:25:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:25:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:25:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:25:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:25:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:25:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:25:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:25:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:25:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:25:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:25:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:25:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:25:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 03:25:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 03:25:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:25:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:25:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:25:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 03:25:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 03:25:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:25:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2021-11-17 03:25:23,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:25:23,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130540542] [2021-11-17 03:25:23,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130540542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:25:23,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:25:23,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:25:23,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426901706] [2021-11-17 03:25:23,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:25:23,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:25:23,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:25:23,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:25:23,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:25:23,056 INFO L87 Difference]: Start difference. First operand 60525 states and 84765 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 03:25:25,117 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 03:25:27,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:29,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:49,150 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 03:25:53,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:25:53,293 INFO L93 Difference]: Finished difference Result 169678 states and 243339 transitions. [2021-11-17 03:25:53,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 03:25:53,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 313 [2021-11-17 03:25:53,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:25:54,213 INFO L225 Difference]: With dead ends: 169678 [2021-11-17 03:25:54,213 INFO L226 Difference]: Without dead ends: 109188 [2021-11-17 03:25:54,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-17 03:25:54,388 INFO L933 BasicCegarLoop]: 6121 mSDtfsCounter, 8722 mSDsluCounter, 6268 mSDsCounter, 0 mSdLazyCounter, 7171 mSolverCounterSat, 6771 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9290 SdHoareTripleChecker+Valid, 12389 SdHoareTripleChecker+Invalid, 13946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6771 IncrementalHoareTripleChecker+Valid, 7171 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-11-17 03:25:54,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9290 Valid, 12389 Invalid, 13946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6771 Valid, 7171 Invalid, 4 Unknown, 0 Unchecked, 24.8s Time] [2021-11-17 03:25:54,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109188 states. [2021-11-17 03:25:59,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109188 to 90959. [2021-11-17 03:25:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90959 states, 63845 states have (on average 1.3449291252251547) internal successors, (85867), 65507 states have internal predecessors, (85867), 20616 states have call successors, (20616), 6499 states have call predecessors, (20616), 6497 states have return successors, (20642), 20428 states have call predecessors, (20642), 20606 states have call successors, (20642) [2021-11-17 03:25:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90959 states to 90959 states and 127125 transitions. [2021-11-17 03:25:59,758 INFO L78 Accepts]: Start accepts. Automaton has 90959 states and 127125 transitions. Word has length 313 [2021-11-17 03:25:59,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:25:59,759 INFO L470 AbstractCegarLoop]: Abstraction has 90959 states and 127125 transitions. [2021-11-17 03:25:59,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 03:25:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 90959 states and 127125 transitions. [2021-11-17 03:25:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-17 03:25:59,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:25:59,776 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-17 03:25:59,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 03:25:59,777 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:25:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:25:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1940039254, now seen corresponding path program 1 times [2021-11-17 03:25:59,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:25:59,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318604119] [2021-11-17 03:25:59,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:25:59,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:25:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:26:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:26:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:26:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:26:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:26:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:26:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:26:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:26:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:26:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:26:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:26:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:26:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:26:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:26:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:26:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:26:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:26:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:26:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 03:26:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 03:26:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 03:26:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 03:26:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 03:26:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 03:26:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:00,813 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-11-17 03:26:00,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:26:00,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318604119] [2021-11-17 03:26:00,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318604119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:26:00,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:26:00,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 03:26:00,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691397865] [2021-11-17 03:26:00,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:26:00,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 03:26:00,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:26:00,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 03:26:00,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-17 03:26:00,816 INFO L87 Difference]: Start difference. First operand 90959 states and 127125 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 03:26:02,879 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 03:26:04,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:26:06,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:26:09,063 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 03:26:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:26:27,155 INFO L93 Difference]: Finished difference Result 157186 states and 223882 transitions. [2021-11-17 03:26:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 03:26:27,156 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 330 [2021-11-17 03:26:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:26:27,581 INFO L225 Difference]: With dead ends: 157186 [2021-11-17 03:26:27,581 INFO L226 Difference]: Without dead ends: 66259 [2021-11-17 03:26:27,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-11-17 03:26:27,764 INFO L933 BasicCegarLoop]: 3456 mSDtfsCounter, 6820 mSDsluCounter, 5753 mSDsCounter, 0 mSdLazyCounter, 5968 mSolverCounterSat, 6236 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7156 SdHoareTripleChecker+Valid, 9209 SdHoareTripleChecker+Invalid, 12208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6236 IncrementalHoareTripleChecker+Valid, 5968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:26:27,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7156 Valid, 9209 Invalid, 12208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6236 Valid, 5968 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2021-11-17 03:26:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66259 states. [2021-11-17 03:26:30,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66259 to 51662. [2021-11-17 03:26:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51662 states, 36251 states have (on average 1.342859507323936) internal successors, (48680), 37190 states have internal predecessors, (48680), 11639 states have call successors, (11639), 3773 states have call predecessors, (11639), 3771 states have return successors, (11650), 11524 states have call predecessors, (11650), 11629 states have call successors, (11650) [2021-11-17 03:26:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51662 states to 51662 states and 71969 transitions. [2021-11-17 03:26:30,870 INFO L78 Accepts]: Start accepts. Automaton has 51662 states and 71969 transitions. Word has length 330 [2021-11-17 03:26:30,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:26:30,871 INFO L470 AbstractCegarLoop]: Abstraction has 51662 states and 71969 transitions. [2021-11-17 03:26:30,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 03:26:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand 51662 states and 71969 transitions. [2021-11-17 03:26:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-17 03:26:30,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:26:30,887 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2021-11-17 03:26:30,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 03:26:30,887 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:26:30,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:26:30,888 INFO L85 PathProgramCache]: Analyzing trace with hash -985518497, now seen corresponding path program 1 times [2021-11-17 03:26:30,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:26:30,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481850690] [2021-11-17 03:26:30,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:26:30,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:26:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:26:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:26:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:26:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:26:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:26:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:26:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:26:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:26:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:26:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:26:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:26:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:26:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:26:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:26:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:26:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:26:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 03:26:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 03:26:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:26:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:26:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:26:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 03:26:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 03:26:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:26:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2021-11-17 03:26:31,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:26:31,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481850690] [2021-11-17 03:26:31,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481850690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:26:31,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:26:31,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:26:31,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268995308] [2021-11-17 03:26:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:26:31,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:26:31,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:26:31,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:26:31,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:26:31,526 INFO L87 Difference]: Start difference. First operand 51662 states and 71969 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 03:26:33,590 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 03:26:35,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:26:37,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:26:39,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:26:41,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:26:57,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:26:58,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:27:01,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:27:01,939 INFO L93 Difference]: Finished difference Result 61957 states and 89506 transitions. [2021-11-17 03:27:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 03:27:01,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 334 [2021-11-17 03:27:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:27:02,144 INFO L225 Difference]: With dead ends: 61957 [2021-11-17 03:27:02,144 INFO L226 Difference]: Without dead ends: 61954 [2021-11-17 03:27:02,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-17 03:27:02,174 INFO L933 BasicCegarLoop]: 3626 mSDtfsCounter, 4124 mSDsluCounter, 5979 mSDsCounter, 0 mSdLazyCounter, 8301 mSolverCounterSat, 3092 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4483 SdHoareTripleChecker+Valid, 9605 SdHoareTripleChecker+Invalid, 11398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3092 IncrementalHoareTripleChecker+Valid, 8301 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-11-17 03:27:02,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4483 Valid, 9605 Invalid, 11398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3092 Valid, 8301 Invalid, 5 Unknown, 0 Unchecked, 27.4s Time] [2021-11-17 03:27:02,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61954 states. [2021-11-17 03:27:04,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61954 to 51661. [2021-11-17 03:27:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51661 states, 36251 states have (on average 1.3420871148382114) internal successors, (48652), 37189 states have internal predecessors, (48652), 11638 states have call successors, (11638), 3773 states have call predecessors, (11638), 3771 states have return successors, (11650), 11524 states have call predecessors, (11650), 11629 states have call successors, (11650) [2021-11-17 03:27:04,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51661 states to 51661 states and 71940 transitions. [2021-11-17 03:27:04,896 INFO L78 Accepts]: Start accepts. Automaton has 51661 states and 71940 transitions. Word has length 334 [2021-11-17 03:27:04,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:27:04,897 INFO L470 AbstractCegarLoop]: Abstraction has 51661 states and 71940 transitions. [2021-11-17 03:27:04,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 03:27:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 51661 states and 71940 transitions. [2021-11-17 03:27:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2021-11-17 03:27:04,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:27:04,915 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 9, 9, 9, 9, 9, 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] [2021-11-17 03:27:04,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 03:27:04,915 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:27:04,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:27:04,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1134986956, now seen corresponding path program 1 times [2021-11-17 03:27:04,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:27:04,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087653736] [2021-11-17 03:27:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:27:04,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:27:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:27:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:27:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:27:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:27:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:27:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:27:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:27:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:27:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:27:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:27:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:27:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:27:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:27:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:27:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:27:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 03:27:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 03:27:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 03:27:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 03:27:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 03:27:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 03:27:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 03:27:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 03:27:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 03:27:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 03:27:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 03:27:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 03:27:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 03:27:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 03:27:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 03:27:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 03:27:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 03:27:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2394 trivial. 0 not checked. [2021-11-17 03:27:05,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:27:05,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087653736] [2021-11-17 03:27:05,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087653736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:27:05,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:27:05,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:27:05,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286505557] [2021-11-17 03:27:05,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:27:05,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:27:05,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:27:05,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:27:05,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:27:05,972 INFO L87 Difference]: Start difference. First operand 51661 states and 71940 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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 03:27:08,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:27:10,098 WARN L515 Checker$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 03:27:29,813 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 03:27:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:27:32,345 INFO L93 Difference]: Finished difference Result 126051 states and 178206 transitions. [2021-11-17 03:27:32,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 03:27:32,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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 416 [2021-11-17 03:27:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:27:32,600 INFO L225 Difference]: With dead ends: 126051 [2021-11-17 03:27:32,600 INFO L226 Difference]: Without dead ends: 74425 [2021-11-17 03:27:32,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-11-17 03:27:32,864 INFO L933 BasicCegarLoop]: 5547 mSDtfsCounter, 7589 mSDsluCounter, 4297 mSDsCounter, 0 mSdLazyCounter, 7881 mSolverCounterSat, 6060 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8143 SdHoareTripleChecker+Valid, 9844 SdHoareTripleChecker+Invalid, 13944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6060 IncrementalHoareTripleChecker+Valid, 7881 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-11-17 03:27:32,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8143 Valid, 9844 Invalid, 13944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6060 Valid, 7881 Invalid, 3 Unknown, 0 Unchecked, 22.2s Time] [2021-11-17 03:27:32,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74425 states. [2021-11-17 03:27:35,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74425 to 64270. [2021-11-17 03:27:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64270 states, 45099 states have (on average 1.3415153329342113) internal successors, (60501), 46343 states have internal predecessors, (60501), 14486 states have call successors, (14486), 4686 states have call predecessors, (14486), 4684 states have return successors, (14495), 14314 states have call predecessors, (14495), 14477 states have call successors, (14495) [2021-11-17 03:27:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64270 states to 64270 states and 89482 transitions. [2021-11-17 03:27:36,421 INFO L78 Accepts]: Start accepts. Automaton has 64270 states and 89482 transitions. Word has length 416 [2021-11-17 03:27:36,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:27:36,422 INFO L470 AbstractCegarLoop]: Abstraction has 64270 states and 89482 transitions. [2021-11-17 03:27:36,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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 03:27:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 64270 states and 89482 transitions. [2021-11-17 03:27:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-11-17 03:27:36,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:27:36,490 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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] [2021-11-17 03:27:36,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 03:27:36,491 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:27:36,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:27:36,491 INFO L85 PathProgramCache]: Analyzing trace with hash -140715756, now seen corresponding path program 1 times [2021-11-17 03:27:36,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:27:36,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74671391] [2021-11-17 03:27:36,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:27:36,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:27:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:27:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:27:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:27:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:27:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:27:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:27:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:27:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:27:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:27:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:27:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:27:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:27:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:27:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:27:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:27:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:27:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 03:27:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 03:27:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:27:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 03:27:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 03:27:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 03:27:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 03:27:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 03:27:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:27:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 03:27:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 03:27:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 03:27:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 03:27:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 03:27:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 03:27:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 03:27:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 03:27:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 03:27:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 03:27:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:27:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 03:27:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 03:27:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:27:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2990 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2982 trivial. 0 not checked. [2021-11-17 03:27:37,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:27:37,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74671391] [2021-11-17 03:27:37,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74671391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:27:37,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:27:37,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:27:37,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361044601] [2021-11-17 03:27:37,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:27:37,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:27:37,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:27:37,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:27:37,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:27:37,553 INFO L87 Difference]: Start difference. First operand 64270 states and 89482 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 03:27:39,619 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 03:27:41,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:27:43,756 WARN L515 Checker$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 03:27:45,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:27:47,875 WARN L515 Checker$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 03:28:16,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:28:16,884 INFO L93 Difference]: Finished difference Result 162113 states and 228962 transitions. [2021-11-17 03:28:16,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 03:28:16,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 506 [2021-11-17 03:28:16,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:28:17,300 INFO L225 Difference]: With dead ends: 162113 [2021-11-17 03:28:17,300 INFO L226 Difference]: Without dead ends: 98151 [2021-11-17 03:28:17,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-17 03:28:17,475 INFO L933 BasicCegarLoop]: 3925 mSDtfsCounter, 8480 mSDsluCounter, 5701 mSDsCounter, 0 mSdLazyCounter, 11112 mSolverCounterSat, 6204 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9031 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 17321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6204 IncrementalHoareTripleChecker+Valid, 11112 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2021-11-17 03:28:17,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9031 Valid, 9626 Invalid, 17321 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6204 Valid, 11112 Invalid, 5 Unknown, 0 Unchecked, 33.5s Time] [2021-11-17 03:28:17,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98151 states. [2021-11-17 03:28:21,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98151 to 85100. [2021-11-17 03:28:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85100 states, 59729 states have (on average 1.3382276616049156) internal successors, (79931), 61411 states have internal predecessors, (79931), 19030 states have call successors, (19030), 6342 states have call predecessors, (19030), 6340 states have return successors, (19039), 18780 states have call predecessors, (19039), 19021 states have call successors, (19039) [2021-11-17 03:28:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85100 states to 85100 states and 118000 transitions. [2021-11-17 03:28:22,222 INFO L78 Accepts]: Start accepts. Automaton has 85100 states and 118000 transitions. Word has length 506 [2021-11-17 03:28:22,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:28:22,223 INFO L470 AbstractCegarLoop]: Abstraction has 85100 states and 118000 transitions. [2021-11-17 03:28:22,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 03:28:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 85100 states and 118000 transitions. [2021-11-17 03:28:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-11-17 03:28:22,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:28:22,274 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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] [2021-11-17 03:28:22,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 03:28:22,275 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:28:22,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:28:22,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1744099348, now seen corresponding path program 1 times [2021-11-17 03:28:22,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:28:22,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716914894] [2021-11-17 03:28:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:28:22,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:28:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:28:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:28:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:28:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:28:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:28:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:28:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:28:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:28:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:28:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:28:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:28:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:28:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:28:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:28:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:28:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:28:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 03:28:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 03:28:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:28:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 03:28:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 03:28:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 03:28:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 03:28:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 03:28:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:28:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 03:28:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 03:28:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 03:28:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 03:28:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 03:28:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 03:28:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 03:28:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 03:28:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 03:28:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 03:28:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:28:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 03:28:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 03:28:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 03:28:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 03:28:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-11-17 03:28:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 03:28:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 03:28:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 03:28:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 03:28:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:28:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2994 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2994 trivial. 0 not checked. [2021-11-17 03:28:23,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:28:23,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716914894] [2021-11-17 03:28:23,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716914894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:28:23,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:28:23,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 03:28:23,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553459751] [2021-11-17 03:28:23,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:28:23,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 03:28:23,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:28:23,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 03:28:23,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 03:28:23,449 INFO L87 Difference]: Start difference. First operand 85100 states and 118000 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (48), 8 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 03:28:25,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:28:27,724 WARN L515 Checker$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 03:28:29,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:28:31,872 WARN L515 Checker$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 03:28:51,596 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 03:29:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:29:02,005 INFO L93 Difference]: Finished difference Result 101587 states and 146314 transitions. [2021-11-17 03:29:02,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 03:29:02,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (48), 8 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 555 [2021-11-17 03:29:02,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:29:02,473 INFO L225 Difference]: With dead ends: 101587 [2021-11-17 03:29:02,474 INFO L226 Difference]: Without dead ends: 101584 [2021-11-17 03:29:02,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-11-17 03:29:02,667 INFO L933 BasicCegarLoop]: 5015 mSDtfsCounter, 6522 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 14076 mSolverCounterSat, 5975 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6880 SdHoareTripleChecker+Valid, 9290 SdHoareTripleChecker+Invalid, 20056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5975 IncrementalHoareTripleChecker+Valid, 14076 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-11-17 03:29:02,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6880 Valid, 9290 Invalid, 20056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5975 Valid, 14076 Invalid, 5 Unknown, 0 Unchecked, 33.6s Time] [2021-11-17 03:29:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101584 states. [2021-11-17 03:29:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101584 to 85099. [2021-11-17 03:29:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85099 states, 59729 states have (on average 1.337825846741114) internal successors, (79907), 61410 states have internal predecessors, (79907), 19029 states have call successors, (19029), 6342 states have call predecessors, (19029), 6340 states have return successors, (19039), 18780 states have call predecessors, (19039), 19021 states have call successors, (19039) [2021-11-17 03:29:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85099 states to 85099 states and 117975 transitions. [2021-11-17 03:29:07,371 INFO L78 Accepts]: Start accepts. Automaton has 85099 states and 117975 transitions. Word has length 555 [2021-11-17 03:29:07,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:29:07,372 INFO L470 AbstractCegarLoop]: Abstraction has 85099 states and 117975 transitions. [2021-11-17 03:29:07,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (48), 8 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 03:29:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 85099 states and 117975 transitions. [2021-11-17 03:29:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2021-11-17 03:29:07,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:29:07,465 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 03:29:07,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 03:29:07,465 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:29:07,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:29:07,466 INFO L85 PathProgramCache]: Analyzing trace with hash 329559360, now seen corresponding path program 1 times [2021-11-17 03:29:07,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:29:07,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800189780] [2021-11-17 03:29:07,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:29:07,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:29:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:29:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:29:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:29:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:29:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:29:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:29:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:29:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:29:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:29:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:29:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:29:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:29:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:29:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:29:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:29:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:29:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 03:29:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 03:29:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:29:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 03:29:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 03:29:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 03:29:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 03:29:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 03:29:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 03:29:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 03:29:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 03:29:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 03:29:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 03:29:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 03:29:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 03:29:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 03:29:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 03:29:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 03:29:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 03:29:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 03:29:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 03:29:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 03:29:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-11-17 03:29:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-11-17 03:29:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:29:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-11-17 03:29:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 03:29:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-11-17 03:29:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2021-11-17 03:29:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2021-11-17 03:29:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2021-11-17 03:29:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2021-11-17 03:29:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-11-17 03:29:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2021-11-17 03:29:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2021-11-17 03:29:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:29:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2021-11-17 03:29:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2021-11-17 03:29:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2021-11-17 03:29:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:29:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:29:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6385 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6335 trivial. 0 not checked. [2021-11-17 03:29:08,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:29:08,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800189780] [2021-11-17 03:29:08,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800189780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:29:08,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:29:08,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 03:29:08,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705441547] [2021-11-17 03:29:08,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:29:08,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 03:29:08,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:29:08,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 03:29:08,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:29:08,806 INFO L87 Difference]: Start difference. First operand 85099 states and 117975 transitions. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 03:29:10,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:29:12,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:29:15,074 WARN L515 Checker$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 03:29:17,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:29:19,224 WARN L515 Checker$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 03:29:21,307 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 03:30:03,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:30:03,755 INFO L93 Difference]: Finished difference Result 213996 states and 302759 transitions. [2021-11-17 03:30:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-17 03:30:03,763 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 739 [2021-11-17 03:30:03,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:30:04,316 INFO L225 Difference]: With dead ends: 213996 [2021-11-17 03:30:04,316 INFO L226 Difference]: Without dead ends: 129205 [2021-11-17 03:30:04,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2021-11-17 03:30:04,518 INFO L933 BasicCegarLoop]: 6054 mSDtfsCounter, 7106 mSDsluCounter, 9793 mSDsCounter, 0 mSdLazyCounter, 23860 mSolverCounterSat, 5727 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7476 SdHoareTripleChecker+Valid, 15847 SdHoareTripleChecker+Invalid, 29593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5727 IncrementalHoareTripleChecker+Valid, 23860 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2021-11-17 03:30:04,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7476 Valid, 15847 Invalid, 29593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5727 Valid, 23860 Invalid, 6 Unknown, 0 Unchecked, 47.2s Time] [2021-11-17 03:30:04,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129205 states. [2021-11-17 03:30:09,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129205 to 85123. [2021-11-17 03:30:09,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85123 states, 59753 states have (on average 1.337690157816344) internal successors, (79931), 61434 states have internal predecessors, (79931), 19029 states have call successors, (19029), 6342 states have call predecessors, (19029), 6340 states have return successors, (19039), 18780 states have call predecessors, (19039), 19021 states have call successors, (19039) [2021-11-17 03:30:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85123 states to 85123 states and 117999 transitions. [2021-11-17 03:30:10,034 INFO L78 Accepts]: Start accepts. Automaton has 85123 states and 117999 transitions. Word has length 739 [2021-11-17 03:30:10,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:30:10,035 INFO L470 AbstractCegarLoop]: Abstraction has 85123 states and 117999 transitions. [2021-11-17 03:30:10,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-11-17 03:30:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 85123 states and 117999 transitions. [2021-11-17 03:30:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2021-11-17 03:30:10,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:30:10,114 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 03:30:10,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 03:30:10,114 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:30:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:30:10,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1781753825, now seen corresponding path program 1 times [2021-11-17 03:30:10,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:30:10,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164450399] [2021-11-17 03:30:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:30:10,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:30:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:30:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:30:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:30:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:30:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 03:30:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 03:30:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 03:30:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 03:30:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 03:30:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 03:30:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 03:30:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 03:30:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 03:30:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:30:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:30:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 03:30:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 03:30:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 03:30:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:30:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 03:30:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 03:30:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 03:30:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 03:30:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 03:30:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:10,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 03:30:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 03:30:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 03:30:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 03:30:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 03:30:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 03:30:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 03:30:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 03:30:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 03:30:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 03:30:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 03:30:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 03:30:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 03:30:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 03:30:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 03:30:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-11-17 03:30:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-11-17 03:30:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 03:30:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:30:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-11-17 03:30:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2021-11-17 03:30:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 03:30:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-11-17 03:30:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-11-17 03:30:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2021-11-17 03:30:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2021-11-17 03:30:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2021-11-17 03:30:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-11-17 03:30:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2021-11-17 03:30:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:30:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2021-11-17 03:30:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2021-11-17 03:30:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2021-11-17 03:30:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:30:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:30:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6389 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6339 trivial. 0 not checked. [2021-11-17 03:30:11,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:30:11,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164450399] [2021-11-17 03:30:11,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164450399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:30:11,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:30:11,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 03:30:11,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989313057] [2021-11-17 03:30:11,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:30:11,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 03:30:11,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:30:11,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 03:30:11,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:30:11,357 INFO L87 Difference]: Start difference. First operand 85123 states and 117999 transitions. Second operand has 9 states, 9 states have (on average 18.0) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (61), 7 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-17 03:30:13,417 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 03:30:15,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:30:17,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []