./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--host--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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--host--fotg210-hcd.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 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:52:57,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:52:57,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:52:57,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:52:57,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:52:57,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:52:57,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:52:57,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:52:57,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:52:57,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:52:57,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:52:57,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:52:57,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:52:57,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:52:57,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:52:57,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:52:57,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:52:57,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:52:57,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:52:57,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:52:57,475 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:52:57,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:52:57,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:52:57,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:52:57,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:52:57,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:52:57,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:52:57,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:52:57,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:52:57,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:52:57,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:52:57,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:52:57,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:52:57,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:52:57,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:52:57,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:52:57,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:52:57,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:52:57,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:52:57,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:52:57,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:52:57,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:52:57,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:52:57,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:52:57,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:52:57,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:52:57,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:52:57,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:52:57,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:52:57,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:52:57,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:52:57,521 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:52:57,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:52:57,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:52:57,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:52:57,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:52:57,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:52:57,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:52:57,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:52:57,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:52:57,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:52:57,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:52:57,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:52:57,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:52:57,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:52:57,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:52:57,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:52:57,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:52:57,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:52:57,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:52:57,525 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:52:57,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:52:57,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:52:57,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2022-07-23 01:52:57,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:52:57,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:52:57,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:52:57,798 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:52:57,798 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:52:57,800 INFO L432 ainManager$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--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-07-23 01:52:57,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d3808e3/1f37e4210ac344989ea26000b6eedb8b/FLAG20311def9 [2022-07-23 01:52:58,646 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:52:58,647 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--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-07-23 01:52:58,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d3808e3/1f37e4210ac344989ea26000b6eedb8b/FLAG20311def9 [2022-07-23 01:52:58,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d3808e3/1f37e4210ac344989ea26000b6eedb8b [2022-07-23 01:52:58,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:52:58,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:52:58,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:52:58,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:52:58,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:52:58,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:52:58" (1/1) ... [2022-07-23 01:52:58,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea78370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:52:58, skipping insertion in model container [2022-07-23 01:52:58,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:52:58" (1/1) ... [2022-07-23 01:52:58,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:52:59,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:53:01,824 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--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2022-07-23 01:53:01,884 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-23 01:53:01,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:53:01,927 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:53:02,543 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--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2022-07-23 01:53:02,548 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-23 01:53:02,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:53:02,672 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:53:02,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02 WrapperNode [2022-07-23 01:53:02,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:53:02,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:53:02,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:53:02,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:53:02,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:02,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,226 INFO L137 Inliner]: procedures = 335, calls = 4672, calls flagged for inlining = 153, calls inlined = 151, statements flattened = 12558 [2022-07-23 01:53:03,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:53:03,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:53:03,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:53:03,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:53:03,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:53:03,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:53:03,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:53:03,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:53:03,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (1/1) ... [2022-07-23 01:53:03,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:53:03,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:53:03,858 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) [2022-07-23 01:53:03,910 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 [2022-07-23 01:53:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2022-07-23 01:53:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2022-07-23 01:53:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2022-07-23 01:53:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2022-07-23 01:53:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-07-23 01:53:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-07-23 01:53:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-07-23 01:53:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-07-23 01:53:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-07-23 01:53:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-07-23 01:53:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2022-07-23 01:53:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2022-07-23 01:53:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:53:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:53:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:53:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:53:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2022-07-23 01:53:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2022-07-23 01:53:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2022-07-23 01:53:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2022-07-23 01:53:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2022-07-23 01:53:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2022-07-23 01:53:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-23 01:53:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-23 01:53:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:53:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:53:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:53:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:53:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-07-23 01:53:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-07-23 01:53:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-23 01:53:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-23 01:53:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2022-07-23 01:53:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2022-07-23 01:53:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2022-07-23 01:53:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2022-07-23 01:53:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:53:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:53:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:53:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:53:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2022-07-23 01:53:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2022-07-23 01:53:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-07-23 01:53:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-07-23 01:53:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2022-07-23 01:53:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2022-07-23 01:53:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-07-23 01:53:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-07-23 01:53:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2022-07-23 01:53:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2022-07-23 01:53:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 01:53:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 01:53:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:53:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:53:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2022-07-23 01:53:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2022-07-23 01:53:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:53:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:53:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2022-07-23 01:53:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2022-07-23 01:53:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2022-07-23 01:53:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2022-07-23 01:53:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-07-23 01:53:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-07-23 01:53:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-23 01:53:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-23 01:53:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2022-07-23 01:53:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2022-07-23 01:53:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-07-23 01:53:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-07-23 01:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2022-07-23 01:53:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2022-07-23 01:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2022-07-23 01:53:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2022-07-23 01:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2022-07-23 01:53:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2022-07-23 01:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2022-07-23 01:53:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2022-07-23 01:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2022-07-23 01:53:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2022-07-23 01:53:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:53:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:53:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:53:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2022-07-23 01:53:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2022-07-23 01:53:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2022-07-23 01:53:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2022-07-23 01:53:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-23 01:53:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-23 01:53:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:53:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 01:53:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-23 01:53:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-23 01:53:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-23 01:53:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-23 01:53:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 01:53:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 01:53:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-23 01:53:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-23 01:53:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:53:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:53:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:53:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:53:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:53:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2022-07-23 01:53:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2022-07-23 01:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-23 01:53:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-23 01:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2022-07-23 01:53:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2022-07-23 01:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-23 01:53:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-23 01:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:53:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2022-07-23 01:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2022-07-23 01:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-07-23 01:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-07-23 01:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2022-07-23 01:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2022-07-23 01:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2022-07-23 01:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2022-07-23 01:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-23 01:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-23 01:53:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2022-07-23 01:53:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2022-07-23 01:53:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2022-07-23 01:53:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2022-07-23 01:53:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 01:53:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 01:53:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2022-07-23 01:53:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2022-07-23 01:53:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-23 01:53:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-23 01:53:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:53:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:53:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-07-23 01:53:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-07-23 01:53:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2022-07-23 01:53:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2022-07-23 01:53:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2022-07-23 01:53:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2022-07-23 01:53:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:53:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:53:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2022-07-23 01:53:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2022-07-23 01:53:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-23 01:53:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-23 01:53:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2022-07-23 01:53:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2022-07-23 01:53:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2022-07-23 01:53:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2022-07-23 01:53:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2022-07-23 01:53:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2022-07-23 01:53:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 01:53:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 01:53:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2022-07-23 01:53:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2022-07-23 01:53:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 01:53:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 01:53:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2022-07-23 01:53:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2022-07-23 01:53:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2022-07-23 01:53:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2022-07-23 01:53:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2022-07-23 01:53:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2022-07-23 01:53:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2022-07-23 01:53:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2022-07-23 01:53:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-23 01:53:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-23 01:53:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:53:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2022-07-23 01:53:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2022-07-23 01:53:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-07-23 01:53:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-07-23 01:53:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2022-07-23 01:53:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2022-07-23 01:53:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-07-23 01:53:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-07-23 01:53:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-23 01:53:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-23 01:53:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:53:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:53:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:53:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:53:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2022-07-23 01:53:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2022-07-23 01:53:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-23 01:53:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-23 01:53:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:53:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:53:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2022-07-23 01:53:04,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2022-07-23 01:53:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-23 01:53:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-23 01:53:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 01:53:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 01:53:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:53:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2022-07-23 01:53:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2022-07-23 01:53:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-07-23 01:53:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-07-23 01:53:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 01:53:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 01:53:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:53:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:53:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2022-07-23 01:53:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2022-07-23 01:53:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:53:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:53:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:53:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-23 01:53:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2022-07-23 01:53:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2022-07-23 01:53:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:53:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:53:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 01:53:04,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 01:53:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:53:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-07-23 01:53:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-07-23 01:53:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2022-07-23 01:53:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2022-07-23 01:53:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-07-23 01:53:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-07-23 01:53:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:53:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2022-07-23 01:53:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2022-07-23 01:53:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2022-07-23 01:53:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2022-07-23 01:53:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-07-23 01:53:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-07-23 01:53:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 01:53:04,044 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 01:53:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:53:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 01:53:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2022-07-23 01:53:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2022-07-23 01:53:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2022-07-23 01:53:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2022-07-23 01:53:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-23 01:53:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-23 01:53:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-23 01:53:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-23 01:53:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 01:53:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 01:53:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2022-07-23 01:53:04,046 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2022-07-23 01:53:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-23 01:53:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-23 01:53:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-07-23 01:53:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-07-23 01:53:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-23 01:53:04,047 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-23 01:53:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-07-23 01:53:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-07-23 01:53:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-07-23 01:53:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-07-23 01:53:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 01:53:04,048 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 01:53:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2022-07-23 01:53:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2022-07-23 01:53:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-07-23 01:53:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-07-23 01:53:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 01:53:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 01:53:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-07-23 01:53:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-07-23 01:53:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:53:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:53:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 01:53:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 01:53:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 01:53:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 01:53:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:53:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:53:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-07-23 01:53:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-07-23 01:53:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:53:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2022-07-23 01:53:04,051 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2022-07-23 01:53:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2022-07-23 01:53:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2022-07-23 01:53:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2022-07-23 01:53:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2022-07-23 01:53:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:53:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:53:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-23 01:53:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-23 01:53:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:53:04,053 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:53:05,236 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:53:05,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:53:05,842 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:53:17,847 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2022-07-23 01:53:18,055 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:53:18,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:53:18,082 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:53:18,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:53:18 BoogieIcfgContainer [2022-07-23 01:53:18,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:53:18,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:53:18,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:53:18,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:53:18,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:52:58" (1/3) ... [2022-07-23 01:53:18,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0fec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:53:18, skipping insertion in model container [2022-07-23 01:53:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:53:02" (2/3) ... [2022-07-23 01:53:18,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f0fec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:53:18, skipping insertion in model container [2022-07-23 01:53:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:53:18" (3/3) ... [2022-07-23 01:53:18,102 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-07-23 01:53:18,115 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:53:18,116 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:53:18,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:53:18,255 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@487aaea6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4131ebba [2022-07-23 01:53:18,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:53:18,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 3942 states, 2841 states have (on average 1.4470256951777543) internal successors, (4111), 2927 states have internal predecessors, (4111), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) [2022-07-23 01:53:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-23 01:53:18,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:53:18,301 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:53:18,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:53:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:53:18,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1345829926, now seen corresponding path program 1 times [2022-07-23 01:53:18,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:53:18,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99704963] [2022-07-23 01:53:18,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:53:18,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:53:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:53:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:53:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:53:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:53:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:53:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:53:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:53:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:53:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:53:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:53:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:53:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:53:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:53:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:53:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 01:53:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:53:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:53:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:53:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:53:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:53:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 01:53:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:53:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:53:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:53:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:53:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:53:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:53:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:53:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:20,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-23 01:53:20,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:53:20,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99704963] [2022-07-23 01:53:20,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99704963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:53:20,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:53:20,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:53:20,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095200346] [2022-07-23 01:53:20,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:53:20,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:53:20,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:53:20,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:53:20,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:53:20,135 INFO L87 Difference]: Start difference. First operand has 3942 states, 2841 states have (on average 1.4470256951777543) internal successors, (4111), 2927 states have internal predecessors, (4111), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 01:53:31,323 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 [] [2022-07-23 01:53:34,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:36,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:38,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:53:38,661 INFO L93 Difference]: Finished difference Result 8302 states and 12968 transitions. [2022-07-23 01:53:38,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 01:53:38,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 375 [2022-07-23 01:53:38,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:53:38,719 INFO L225 Difference]: With dead ends: 8302 [2022-07-23 01:53:38,719 INFO L226 Difference]: Without dead ends: 4330 [2022-07-23 01:53:38,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:53:38,753 INFO L413 NwaCegarLoop]: 5505 mSDtfsCounter, 1789 mSDsluCounter, 5613 mSDsCounter, 0 mSdLazyCounter, 3515 mSolverCounterSat, 2297 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 11118 SdHoareTripleChecker+Invalid, 5815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2297 IncrementalHoareTripleChecker+Valid, 3515 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-07-23 01:53:38,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 11118 Invalid, 5815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2297 Valid, 3515 Invalid, 3 Unknown, 0 Unchecked, 17.8s Time] [2022-07-23 01:53:38,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2022-07-23 01:53:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 3908. [2022-07-23 01:53:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 2823 states have (on average 1.3843428976266383) internal successors, (3908), 2899 states have internal predecessors, (3908), 948 states have call successors, (948), 137 states have call predecessors, (948), 136 states have return successors, (946), 927 states have call predecessors, (946), 946 states have call successors, (946) [2022-07-23 01:53:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 5802 transitions. [2022-07-23 01:53:39,082 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 5802 transitions. Word has length 375 [2022-07-23 01:53:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:53:39,084 INFO L495 AbstractCegarLoop]: Abstraction has 3908 states and 5802 transitions. [2022-07-23 01:53:39,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 01:53:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 5802 transitions. [2022-07-23 01:53:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-23 01:53:39,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:53:39,097 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:53:39,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:53:39,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:53:39,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:53:39,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1104598202, now seen corresponding path program 1 times [2022-07-23 01:53:39,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:53:39,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228593993] [2022-07-23 01:53:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:53:39,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:53:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:53:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:53:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:53:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:53:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:53:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:53:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:53:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:53:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:53:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:53:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:53:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:53:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:53:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:53:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 01:53:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:53:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:53:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:53:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:53:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:53:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 01:53:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:53:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:53:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:53:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:53:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:53:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:53:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:53:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-23 01:53:40,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:53:40,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228593993] [2022-07-23 01:53:40,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228593993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:53:40,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:53:40,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:53:40,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280450985] [2022-07-23 01:53:40,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:53:40,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:53:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:53:40,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:53:40,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:53:40,355 INFO L87 Difference]: Start difference. First operand 3908 states and 5802 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-23 01:53:50,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:53,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:55,310 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 [] [2022-07-23 01:54:03,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:54:03,917 INFO L93 Difference]: Finished difference Result 12410 states and 18572 transitions. [2022-07-23 01:54:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:54:03,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 375 [2022-07-23 01:54:03,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:54:04,048 INFO L225 Difference]: With dead ends: 12410 [2022-07-23 01:54:04,048 INFO L226 Difference]: Without dead ends: 8566 [2022-07-23 01:54:04,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:54:04,070 INFO L413 NwaCegarLoop]: 6215 mSDtfsCounter, 10961 mSDsluCounter, 7477 mSDsCounter, 0 mSdLazyCounter, 4670 mSolverCounterSat, 7609 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11736 SdHoareTripleChecker+Valid, 13692 SdHoareTripleChecker+Invalid, 12282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7609 IncrementalHoareTripleChecker+Valid, 4670 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:54:04,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11736 Valid, 13692 Invalid, 12282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7609 Valid, 4670 Invalid, 3 Unknown, 0 Unchecked, 22.6s Time] [2022-07-23 01:54:04,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8566 states. [2022-07-23 01:54:04,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8566 to 7719. [2022-07-23 01:54:04,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7719 states, 5588 states have (on average 1.3863636363636365) internal successors, (7747), 5740 states have internal predecessors, (7747), 1859 states have call successors, (1859), 272 states have call predecessors, (1859), 271 states have return successors, (1857), 1818 states have call predecessors, (1857), 1857 states have call successors, (1857) [2022-07-23 01:54:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7719 states to 7719 states and 11463 transitions. [2022-07-23 01:54:04,473 INFO L78 Accepts]: Start accepts. Automaton has 7719 states and 11463 transitions. Word has length 375 [2022-07-23 01:54:04,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:54:04,477 INFO L495 AbstractCegarLoop]: Abstraction has 7719 states and 11463 transitions. [2022-07-23 01:54:04,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-23 01:54:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7719 states and 11463 transitions. [2022-07-23 01:54:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-07-23 01:54:04,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:54:04,485 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:54:04,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:54:04,485 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:54:04,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:54:04,486 INFO L85 PathProgramCache]: Analyzing trace with hash 742675837, now seen corresponding path program 1 times [2022-07-23 01:54:04,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:54:04,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123023496] [2022-07-23 01:54:04,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:54:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:54:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:54:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:54:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:54:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:54:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:54:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:54:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:54:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:54:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:54:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:54:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:54:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:54:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:54:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:54:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 01:54:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:54:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:54:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:54:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:54:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:54:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 01:54:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:54:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:54:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:54:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:54:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:54:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:54:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:54:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-23 01:54:05,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:54:05,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123023496] [2022-07-23 01:54:05,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123023496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:54:05,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:54:05,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:54:05,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116866050] [2022-07-23 01:54:05,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:54:05,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:54:05,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:54:05,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:54:05,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:54:05,478 INFO L87 Difference]: Start difference. First operand 7719 states and 11463 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-23 01:54:16,250 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 [] [2022-07-23 01:54:18,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:20,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:33,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:54:33,368 INFO L93 Difference]: Finished difference Result 24651 states and 36871 transitions. [2022-07-23 01:54:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:54:33,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 376 [2022-07-23 01:54:33,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:54:33,481 INFO L225 Difference]: With dead ends: 24651 [2022-07-23 01:54:33,481 INFO L226 Difference]: Without dead ends: 16996 [2022-07-23 01:54:33,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:54:33,530 INFO L413 NwaCegarLoop]: 6253 mSDtfsCounter, 9699 mSDsluCounter, 9896 mSDsCounter, 0 mSdLazyCounter, 6787 mSolverCounterSat, 5424 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10475 SdHoareTripleChecker+Valid, 16149 SdHoareTripleChecker+Invalid, 12214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5424 IncrementalHoareTripleChecker+Valid, 6787 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:54:33,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10475 Valid, 16149 Invalid, 12214 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5424 Valid, 6787 Invalid, 3 Unknown, 0 Unchecked, 26.9s Time] [2022-07-23 01:54:33,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16996 states. [2022-07-23 01:54:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16996 to 15309. [2022-07-23 01:54:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15309 states, 11094 states have (on average 1.3872363439697133) internal successors, (15390), 11398 states have internal predecessors, (15390), 3673 states have call successors, (3673), 542 states have call predecessors, (3673), 541 states have return successors, (3671), 3592 states have call predecessors, (3671), 3671 states have call successors, (3671) [2022-07-23 01:54:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15309 states to 15309 states and 22734 transitions. [2022-07-23 01:54:34,277 INFO L78 Accepts]: Start accepts. Automaton has 15309 states and 22734 transitions. Word has length 376 [2022-07-23 01:54:34,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:54:34,282 INFO L495 AbstractCegarLoop]: Abstraction has 15309 states and 22734 transitions. [2022-07-23 01:54:34,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-23 01:54:34,282 INFO L276 IsEmpty]: Start isEmpty. Operand 15309 states and 22734 transitions. [2022-07-23 01:54:34,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-07-23 01:54:34,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:54:34,289 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:54:34,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:54:34,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:54:34,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:54:34,290 INFO L85 PathProgramCache]: Analyzing trace with hash -10298416, now seen corresponding path program 1 times [2022-07-23 01:54:34,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:54:34,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442208063] [2022-07-23 01:54:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:54:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:54:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:54:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:54:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:54:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:54:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:54:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:54:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:54:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:54:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:54:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:54:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:54:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:54:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:54:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:54:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 01:54:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:54:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:54:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:54:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:54:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:54:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 01:54:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:54:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:54:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:54:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:54:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:54:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:54:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:54:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-23 01:54:35,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:54:35,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442208063] [2022-07-23 01:54:35,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442208063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:54:35,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:54:35,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:54:35,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663026727] [2022-07-23 01:54:35,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:54:35,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:54:35,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:54:35,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:54:35,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:54:35,249 INFO L87 Difference]: Start difference. First operand 15309 states and 22734 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-23 01:54:44,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:47,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:01,496 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 [] [2022-07-23 01:55:03,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:55:03,332 INFO L93 Difference]: Finished difference Result 48536 states and 72558 transitions. [2022-07-23 01:55:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:55:03,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 381 [2022-07-23 01:55:03,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:55:03,555 INFO L225 Difference]: With dead ends: 48536 [2022-07-23 01:55:03,555 INFO L226 Difference]: Without dead ends: 33291 [2022-07-23 01:55:03,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:55:03,633 INFO L413 NwaCegarLoop]: 6722 mSDtfsCounter, 8302 mSDsluCounter, 10602 mSDsCounter, 0 mSdLazyCounter, 6987 mSolverCounterSat, 4902 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9080 SdHoareTripleChecker+Valid, 17324 SdHoareTripleChecker+Invalid, 11892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4902 IncrementalHoareTripleChecker+Valid, 6987 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:55:03,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9080 Valid, 17324 Invalid, 11892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4902 Valid, 6987 Invalid, 3 Unknown, 0 Unchecked, 27.0s Time] [2022-07-23 01:55:03,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33291 states. [2022-07-23 01:55:04,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33291 to 30049. [2022-07-23 01:55:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30049 states, 21794 states have (on average 1.3875378544553547) internal successors, (30240), 22392 states have internal predecessors, (30240), 7177 states have call successors, (7177), 1074 states have call predecessors, (7177), 1077 states have return successors, (7199), 7023 states have call predecessors, (7199), 7175 states have call successors, (7199) [2022-07-23 01:55:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30049 states to 30049 states and 44616 transitions. [2022-07-23 01:55:05,103 INFO L78 Accepts]: Start accepts. Automaton has 30049 states and 44616 transitions. Word has length 381 [2022-07-23 01:55:05,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:55:05,104 INFO L495 AbstractCegarLoop]: Abstraction has 30049 states and 44616 transitions. [2022-07-23 01:55:05,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-23 01:55:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 30049 states and 44616 transitions. [2022-07-23 01:55:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-23 01:55:05,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:55:05,114 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:55:05,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:55:05,114 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:55:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:55:05,115 INFO L85 PathProgramCache]: Analyzing trace with hash -8015216, now seen corresponding path program 1 times [2022-07-23 01:55:05,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:55:05,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023555988] [2022-07-23 01:55:05,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:55:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:55:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:55:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:55:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:55:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:55:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:55:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:55:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:55:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:55:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:55:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:55:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:55:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:55:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:55:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:55:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 01:55:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:55:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:55:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:55:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:55:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:55:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 01:55:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:55:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:55:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:55:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:55:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:55:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:55:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:55:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 01:55:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 01:55:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-23 01:55:06,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:55:06,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023555988] [2022-07-23 01:55:06,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023555988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:55:06,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:55:06,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:55:06,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638939711] [2022-07-23 01:55:06,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:55:06,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:55:06,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:55:06,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:55:06,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:55:06,079 INFO L87 Difference]: Start difference. First operand 30049 states and 44616 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 01:55:25,199 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 [] [2022-07-23 01:55:27,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:29,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:31,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:34,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:55:37,028 INFO L93 Difference]: Finished difference Result 81209 states and 120383 transitions. [2022-07-23 01:55:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:55:37,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 408 [2022-07-23 01:55:37,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:55:37,375 INFO L225 Difference]: With dead ends: 81209 [2022-07-23 01:55:37,375 INFO L226 Difference]: Without dead ends: 51224 [2022-07-23 01:55:37,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:55:37,507 INFO L413 NwaCegarLoop]: 7589 mSDtfsCounter, 4962 mSDsluCounter, 11522 mSDsCounter, 0 mSdLazyCounter, 6956 mSolverCounterSat, 3188 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5449 SdHoareTripleChecker+Valid, 19111 SdHoareTripleChecker+Invalid, 10149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3188 IncrementalHoareTripleChecker+Valid, 6956 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:55:37,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5449 Valid, 19111 Invalid, 10149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3188 Valid, 6956 Invalid, 5 Unknown, 0 Unchecked, 29.3s Time] [2022-07-23 01:55:37,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51224 states. [2022-07-23 01:55:39,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51224 to 46408. [2022-07-23 01:55:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46408 states, 33578 states have (on average 1.3779558043957354) internal successors, (46269), 34482 states have internal predecessors, (46269), 10907 states have call successors, (10907), 1919 states have call predecessors, (10907), 1922 states have return successors, (10929), 10672 states have call predecessors, (10929), 10905 states have call successors, (10929) [2022-07-23 01:55:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46408 states to 46408 states and 68105 transitions. [2022-07-23 01:55:40,108 INFO L78 Accepts]: Start accepts. Automaton has 46408 states and 68105 transitions. Word has length 408 [2022-07-23 01:55:40,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:55:40,110 INFO L495 AbstractCegarLoop]: Abstraction has 46408 states and 68105 transitions. [2022-07-23 01:55:40,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 01:55:40,111 INFO L276 IsEmpty]: Start isEmpty. Operand 46408 states and 68105 transitions. [2022-07-23 01:55:40,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-23 01:55:40,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:55:40,122 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:55:40,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 01:55:40,122 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:55:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:55:40,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1360788946, now seen corresponding path program 1 times [2022-07-23 01:55:40,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:55:40,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560012263] [2022-07-23 01:55:40,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:55:40,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:55:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:55:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:55:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:55:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:55:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:55:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:55:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:55:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:55:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:55:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:55:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:55:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:55:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:40,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:55:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:55:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 01:55:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:55:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:55:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:55:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:55:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:55:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 01:55:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:55:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:55:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:55:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:55:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:55:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:55:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:55:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 01:55:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 01:55:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 01:55:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-23 01:55:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 01:55:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 01:55:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-23 01:55:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-23 01:55:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 01:55:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-23 01:55:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-23 01:55:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-23 01:55:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4319 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-07-23 01:55:41,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:55:41,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560012263] [2022-07-23 01:55:41,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560012263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:55:41,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:55:41,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:55:41,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789847661] [2022-07-23 01:55:41,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:55:41,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:55:41,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:55:41,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:55:41,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:55:41,504 INFO L87 Difference]: Start difference. First operand 46408 states and 68105 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 01:55:56,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:59,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:56:01,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:56:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:56:04,736 INFO L93 Difference]: Finished difference Result 97604 states and 143917 transitions. [2022-07-23 01:56:04,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:56:04,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 574 [2022-07-23 01:56:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:56:05,204 INFO L225 Difference]: With dead ends: 97604 [2022-07-23 01:56:05,204 INFO L226 Difference]: Without dead ends: 51212 [2022-07-23 01:56:05,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:56:05,388 INFO L413 NwaCegarLoop]: 5432 mSDtfsCounter, 2313 mSDsluCounter, 14072 mSDsCounter, 0 mSdLazyCounter, 6619 mSolverCounterSat, 2419 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 19504 SdHoareTripleChecker+Invalid, 9041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2419 IncrementalHoareTripleChecker+Valid, 6619 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:56:05,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 19504 Invalid, 9041 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2419 Valid, 6619 Invalid, 3 Unknown, 0 Unchecked, 21.6s Time] [2022-07-23 01:56:05,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51212 states. [2022-07-23 01:56:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51212 to 46408. [2022-07-23 01:56:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46408 states, 33578 states have (on average 1.3774793019238787) internal successors, (46253), 34482 states have internal predecessors, (46253), 10907 states have call successors, (10907), 1919 states have call predecessors, (10907), 1922 states have return successors, (10929), 10672 states have call predecessors, (10929), 10905 states have call successors, (10929) [2022-07-23 01:56:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46408 states to 46408 states and 68089 transitions. [2022-07-23 01:56:07,395 INFO L78 Accepts]: Start accepts. Automaton has 46408 states and 68089 transitions. Word has length 574 [2022-07-23 01:56:07,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:56:07,396 INFO L495 AbstractCegarLoop]: Abstraction has 46408 states and 68089 transitions. [2022-07-23 01:56:07,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 01:56:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46408 states and 68089 transitions. [2022-07-23 01:56:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-07-23 01:56:07,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:56:07,402 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:56:07,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 01:56:07,403 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:56:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:56:07,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1656237010, now seen corresponding path program 1 times [2022-07-23 01:56:07,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:56:07,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539398922] [2022-07-23 01:56:07,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:56:07,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:56:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:56:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:56:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:56:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:56:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:56:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:56:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:56:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:56:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:56:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:56:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:56:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 01:56:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 01:56:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 01:56:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:56:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 01:56:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 01:56:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 01:56:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:56:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 01:56:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:56:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 01:56:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 01:56:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 01:56:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:56:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 01:56:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:56:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:56:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 01:56:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 01:56:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 01:56:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 01:56:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 01:56:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-23 01:56:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-23 01:56:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 01:56:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 01:56:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 01:56:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 01:56:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 01:56:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-23 01:56:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-23 01:56:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-23 01:56:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-07-23 01:56:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 01:56:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 01:56:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-23 01:56:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-23 01:56:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-23 01:56:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-23 01:56:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-23 01:56:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-23 01:56:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:56:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:56:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2175 trivial. 0 not checked. [2022-07-23 01:56:09,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:56:09,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539398922] [2022-07-23 01:56:09,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539398922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:56:09,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:56:09,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:56:09,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711420617] [2022-07-23 01:56:09,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:56:09,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:56:09,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:56:09,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:56:09,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:56:09,072 INFO L87 Difference]: Start difference. First operand 46408 states and 68089 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (64), 6 states have call predecessors, (64), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-07-23 01:56:34,292 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 [] [2022-07-23 01:56:38,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:56:40,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:56:42,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:56:44,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []