./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.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 30733f200dc8370f05e0b3b892e3f5dfad9349a4937c910381098403fe8691aa --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:25:08,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:25:08,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:25:08,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:25:08,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:25:08,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:25:08,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:25:08,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:25:08,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:25:08,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:25:08,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:25:08,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:25:08,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:25:08,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:25:08,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:25:08,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:25:08,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:25:08,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:25:08,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:25:08,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:25:08,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:25:08,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:25:08,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:25:08,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:25:08,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:25:08,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:25:08,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:25:08,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:25:08,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:25:08,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:25:08,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:25:08,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:25:08,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:25:08,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:25:08,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:25:08,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:25:08,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:25:08,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:25:08,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:25:08,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:25:08,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:25:08,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:25:08,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:25:08,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:25:08,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:25:08,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:25:08,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:25:08,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:25:08,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:25:08,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:25:08,627 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:25:08,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:25:08,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:25:08,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:25:08,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:25:08,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:25:08,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:25:08,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:25:08,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:25:08,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:25:08,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:25:08,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:25:08,629 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:25:08,629 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:25:08,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:25:08,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:25:08,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30733f200dc8370f05e0b3b892e3f5dfad9349a4937c910381098403fe8691aa [2021-12-14 18:25:08,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:25:08,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:25:08,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:25:08,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:25:08,812 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:25:08,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2021-12-14 18:25:08,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641b2b1c3/644c62084144495d94bd6c787e949ad2/FLAGf736592a6 [2021-12-14 18:25:09,484 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:25:09,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2021-12-14 18:25:09,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641b2b1c3/644c62084144495d94bd6c787e949ad2/FLAGf736592a6 [2021-12-14 18:25:09,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641b2b1c3/644c62084144495d94bd6c787e949ad2 [2021-12-14 18:25:09,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:25:09,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:25:09,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:25:09,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:25:09,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:25:09,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:09" (1/1) ... [2021-12-14 18:25:09,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46669790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:09, skipping insertion in model container [2021-12-14 18:25:09,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:09" (1/1) ... [2021-12-14 18:25:09,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:25:09,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:25:11,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2021-12-14 18:25:11,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:25:11,327 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:25:11,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2021-12-14 18:25:11,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:25:11,715 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:25:11,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11 WrapperNode [2021-12-14 18:25:11,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:25:11,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:25:11,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:25:11,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:25:11,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:11,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,028 INFO L137 Inliner]: procedures = 204, calls = 6025, calls flagged for inlining = 76, calls inlined = 73, statements flattened = 10425 [2021-12-14 18:25:12,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:25:12,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:25:12,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:25:12,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:25:12,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:25:12,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:25:12,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:25:12,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:25:12,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (1/1) ... [2021-12-14 18:25:12,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:25:12,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:25:12,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:25:12,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:25:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:25:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:25:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure edge_ioctl [2021-12-14 18:25:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_ioctl [2021-12-14 18:25:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write_room [2021-12-14 18:25:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write_room [2021-12-14 18:25:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:25:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:25:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:25:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:25:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:25:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:25:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure edge_disconnect [2021-12-14 18:25:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_disconnect [2021-12-14 18:25:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure send_iosp_ext_cmd [2021-12-14 18:25:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure send_iosp_ext_cmd [2021-12-14 18:25:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_in_callback [2021-12-14 18:25:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_in_callback [2021-12-14 18:25:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure edge_break [2021-12-14 18:25:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_break [2021-12-14 18:25:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2021-12-14 18:25:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2021-12-14 18:25:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:25:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:25:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:25:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:25:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:25:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:25:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-14 18:25:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-14 18:25:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-14 18:25:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-14 18:25:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2021-12-14 18:25:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2021-12-14 18:25:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure edge_set_termios [2021-12-14 18:25:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_set_termios [2021-12-14 18:25:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-14 18:25:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-14 18:25:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:25:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:25:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-14 18:25:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-14 18:25:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_lsr [2021-12-14 18:25:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_lsr [2021-12-14 18:25:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:25:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:25:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:25:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:25:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:25:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:25:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmget [2021-12-14 18:25:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmget [2021-12-14 18:25:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2021-12-14 18:25:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2021-12-14 18:25:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_to_ascii [2021-12-14 18:25:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_to_ascii [2021-12-14 18:25:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:25:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:25:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2021-12-14 18:25:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2021-12-14 18:25:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure edge_throttle [2021-12-14 18:25:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_throttle [2021-12-14 18:25:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:25:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2021-12-14 18:25:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2021-12-14 18:25:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_msr [2021-12-14 18:25:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_msr [2021-12-14 18:25:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:25:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:25:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:25:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:25:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:25:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:25:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:25:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure edge_unthrottle [2021-12-14 18:25:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_unthrottle [2021-12-14 18:25:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure edge_interrupt_callback [2021-12-14 18:25:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_interrupt_callback [2021-12-14 18:25:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure change_port_settings [2021-12-14 18:25:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure change_port_settings [2021-12-14 18:25:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure edge_open [2021-12-14 18:25:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_open [2021-12-14 18:25:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:25:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:25:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:25:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:25:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure dump_product_info [2021-12-14 18:25:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_product_info [2021-12-14 18:25:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:25:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:25:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-14 18:25:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-14 18:25:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_data_callback [2021-12-14 18:25:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_data_callback [2021-12-14 18:25:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:25:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:25:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:25:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:25:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure edge_release [2021-12-14 18:25:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_release [2021-12-14 18:25:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tty_recv [2021-12-14 18:25:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tty_recv [2021-12-14 18:25:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure send_more_port_data [2021-12-14 18:25:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure send_more_port_data [2021-12-14 18:25:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure edge_close [2021-12-14 18:25:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_close [2021-12-14 18:25:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:25:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-14 18:25:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-14 18:25:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure edge_chars_in_buffer [2021-12-14 18:25:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_chars_in_buffer [2021-12-14 18:25:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2021-12-14 18:25:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2021-12-14 18:25:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:25:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:25:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure rom_read [2021-12-14 18:25:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_read [2021-12-14 18:25:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 18:25:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 18:25:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-14 18:25:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-14 18:25:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:25:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:25:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-14 18:25:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-14 18:25:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:25:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:25:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_status [2021-12-14 18:25:12,580 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_status [2021-12-14 18:25:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:25:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:25:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:25:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_uart_register [2021-12-14 18:25:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_uart_register [2021-12-14 18:25:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmset [2021-12-14 18:25:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmset [2021-12-14 18:25:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:25:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:25:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2021-12-14 18:25:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2021-12-14 18:25:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:25:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:25:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:25:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:25:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:25:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:25:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure edge_startup [2021-12-14 18:25:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_startup [2021-12-14 18:25:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:25:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:25:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-14 18:25:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-14 18:25:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-14 18:25:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-14 18:25:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:25:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:25:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-14 18:25:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-14 18:25:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_remove [2021-12-14 18:25:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_remove [2021-12-14 18:25:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd_usb [2021-12-14 18:25:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd_usb [2021-12-14 18:25:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_chase_response [2021-12-14 18:25:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_chase_response [2021-12-14 18:25:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-14 18:25:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-14 18:25:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:25:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:25:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write [2021-12-14 18:25:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write [2021-12-14 18:25:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:25:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:25:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-14 18:25:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-14 18:25:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:25:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-14 18:25:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-14 18:25:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2021-12-14 18:25:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2021-12-14 18:25:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_probe [2021-12-14 18:25:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_probe [2021-12-14 18:25:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:25:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:25:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:25:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:25:13,298 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:25:13,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:25:16,238 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:25:27,390 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:25:27,412 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:25:27,412 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:25:27,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:27 BoogieIcfgContainer [2021-12-14 18:25:27,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:25:27,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:25:27,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:25:27,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:25:27,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:25:09" (1/3) ... [2021-12-14 18:25:27,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f567dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:25:27, skipping insertion in model container [2021-12-14 18:25:27,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:11" (2/3) ... [2021-12-14 18:25:27,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f567dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:25:27, skipping insertion in model container [2021-12-14 18:25:27,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:27" (3/3) ... [2021-12-14 18:25:27,423 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2021-12-14 18:25:27,426 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:25:27,426 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:25:27,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:25:27,482 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:25:27,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:25:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 2867 states, 2051 states have (on average 1.4207703559239395) internal successors, (2914), 2069 states have internal predecessors, (2914), 731 states have call successors, (731), 84 states have call predecessors, (731), 83 states have return successors, (725), 723 states have call predecessors, (725), 725 states have call successors, (725) [2021-12-14 18:25:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-12-14 18:25:27,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:27,559 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:25:27,559 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2051951002, now seen corresponding path program 1 times [2021-12-14 18:25:27,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:27,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603972694] [2021-12-14 18:25:27,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:27,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:25:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:25:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:25:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:25:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 18:25:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 18:25:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-14 18:25:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-14 18:25:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:25:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 18:25:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-14 18:25:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-14 18:25:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-14 18:25:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-14 18:25:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 18:25:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-14 18:25:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:25:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-14 18:25:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-14 18:25:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-14 18:25:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-14 18:25:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-14 18:25:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-14 18:25:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-14 18:25:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-14 18:25:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-14 18:25:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-14 18:25:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-14 18:25:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-14 18:25:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-14 18:25:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-12-14 18:25:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4326 trivial. 0 not checked. [2021-12-14 18:25:29,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:29,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603972694] [2021-12-14 18:25:29,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603972694] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:29,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:29,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:25:29,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862038795] [2021-12-14 18:25:29,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:29,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:25:29,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:29,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:25:29,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:25:29,284 INFO L87 Difference]: Start difference. First operand has 2867 states, 2051 states have (on average 1.4207703559239395) internal successors, (2914), 2069 states have internal predecessors, (2914), 731 states have call successors, (731), 84 states have call predecessors, (731), 83 states have return successors, (725), 723 states have call predecessors, (725), 725 states have call successors, (725) Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-14 18:25:34,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:41,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:46,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:25:46,231 INFO L93 Difference]: Finished difference Result 5852 states and 9345 transitions. [2021-12-14 18:25:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:25:46,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 519 [2021-12-14 18:25:46,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:25:46,262 INFO L225 Difference]: With dead ends: 5852 [2021-12-14 18:25:46,262 INFO L226 Difference]: Without dead ends: 2974 [2021-12-14 18:25:46,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:46,285 INFO L933 BasicCegarLoop]: 4192 mSDtfsCounter, 816 mSDsluCounter, 4490 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 1636 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 8682 SdHoareTripleChecker+Invalid, 4122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1636 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:25:46,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [860 Valid, 8682 Invalid, 4122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1636 Valid, 2484 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2021-12-14 18:25:46,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2021-12-14 18:25:46,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2851. [2021-12-14 18:25:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2851 states, 2043 states have (on average 1.4175232501223691) internal successors, (2896), 2053 states have internal predecessors, (2896), 725 states have call successors, (725), 83 states have call predecessors, (725), 82 states have return successors, (724), 722 states have call predecessors, (724), 724 states have call successors, (724) [2021-12-14 18:25:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2851 states and 4345 transitions. [2021-12-14 18:25:46,441 INFO L78 Accepts]: Start accepts. Automaton has 2851 states and 4345 transitions. Word has length 519 [2021-12-14 18:25:46,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:25:46,442 INFO L470 AbstractCegarLoop]: Abstraction has 2851 states and 4345 transitions. [2021-12-14 18:25:46,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-14 18:25:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 4345 transitions. [2021-12-14 18:25:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-12-14 18:25:46,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:46,453 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:25:46,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:25:46,453 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:46,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:46,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1577025358, now seen corresponding path program 1 times [2021-12-14 18:25:46,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:46,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921649285] [2021-12-14 18:25:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:46,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:25:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:25:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:25:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 18:25:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 18:25:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 18:25:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-14 18:25:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-14 18:25:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:25:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 18:25:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-14 18:25:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-14 18:25:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-14 18:25:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-14 18:25:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-14 18:25:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-14 18:25:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-14 18:25:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-14 18:25:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-14 18:25:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-14 18:25:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-14 18:25:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-14 18:25:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-14 18:25:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-14 18:25:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-14 18:25:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-14 18:25:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-14 18:25:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-14 18:25:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-14 18:25:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-14 18:25:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-12-14 18:25:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4326 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4326 trivial. 0 not checked. [2021-12-14 18:25:47,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:47,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921649285] [2021-12-14 18:25:47,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921649285] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:47,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:47,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:47,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786276190] [2021-12-14 18:25:47,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:47,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:47,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:47,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:47,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:47,787 INFO L87 Difference]: Start difference. First operand 2851 states and 4345 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2021-12-14 18:25:53,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:03,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:05,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:26:07,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []