./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 eb692b52 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-?-eb692b5 [2022-07-20 01:38:23,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:38:23,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:38:23,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:38:23,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:38:23,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:38:23,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:38:23,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:38:23,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:38:23,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:38:23,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:38:23,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:38:23,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:38:23,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:38:23,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:38:23,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:38:23,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:38:23,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:38:23,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:38:23,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:38:23,592 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:38:23,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:38:23,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:38:23,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:38:23,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:38:23,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:38:23,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:38:23,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:38:23,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:38:23,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:38:23,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:38:23,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:38:23,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:38:23,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:38:23,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:38:23,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:38:23,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:38:23,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:38:23,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:38:23,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:38:23,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:38:23,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:38:23,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:38:23,633 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:38:23,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:38:23,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:38:23,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:38:23,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:38:23,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:38:23,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:38:23,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:38:23,642 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:38:23,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:38:23,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:38:23,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:38:23,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:38:23,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:38:23,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:38:23,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:38:23,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:38:23,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:38:23,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:38:23,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:38:23,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:38:23,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:38:23,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:38:23,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:38:23,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:38:23,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:38:23,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:38:23,646 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:38:23,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:38:23,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:38:23,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2022-07-20 01:38:23,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:38:23,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:38:23,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:38:23,918 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:38:23,919 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:38:23,920 INFO L432 ainManager$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 [2022-07-20 01:38:23,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24ca3fb2/8603ac3121784e41b0c8a22c66634dbe/FLAG679f5e4f6 [2022-07-20 01:38:24,732 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:38:24,733 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 [2022-07-20 01:38:24,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24ca3fb2/8603ac3121784e41b0c8a22c66634dbe/FLAG679f5e4f6 [2022-07-20 01:38:24,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24ca3fb2/8603ac3121784e41b0c8a22c66634dbe [2022-07-20 01:38:24,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:38:24,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:38:24,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:38:24,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:38:24,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:38:24,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:38:24" (1/1) ... [2022-07-20 01:38:24,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c4136e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:24, skipping insertion in model container [2022-07-20 01:38:24,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:38:24" (1/1) ... [2022-07-20 01:38:24,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:38:25,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:38:27,151 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] [2022-07-20 01:38:27,197 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-20 01:38:27,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:38:27,239 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:38:27,670 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] [2022-07-20 01:38:27,674 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-20 01:38:27,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:38:27,785 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:38:27,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27 WrapperNode [2022-07-20 01:38:27,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:38:27,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:38:27,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:38:27,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:38:27,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:27,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,214 INFO L137 Inliner]: procedures = 335, calls = 4672, calls flagged for inlining = 153, calls inlined = 151, statements flattened = 12558 [2022-07-20 01:38:28,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:38:28,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:38:28,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:38:28,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:38:28,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:38:28,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:38:28,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:38:28,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:38:28,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (1/1) ... [2022-07-20 01:38:28,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:38:28,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:38:28,781 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) [2022-07-20 01:38:28,843 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 [2022-07-20 01:38:28,883 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2022-07-20 01:38:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2022-07-20 01:38:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2022-07-20 01:38:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2022-07-20 01:38:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-07-20 01:38:28,884 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-07-20 01:38:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-07-20 01:38:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-07-20 01:38:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-07-20 01:38:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-07-20 01:38:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2022-07-20 01:38:28,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2022-07-20 01:38:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:38:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:38:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:38:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:38:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2022-07-20 01:38:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2022-07-20 01:38:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2022-07-20 01:38:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2022-07-20 01:38:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2022-07-20 01:38:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2022-07-20 01:38:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-20 01:38:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-20 01:38:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:38:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:38:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:38:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:38:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-07-20 01:38:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-07-20 01:38:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-07-20 01:38:28,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-07-20 01:38:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2022-07-20 01:38:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2022-07-20 01:38:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2022-07-20 01:38:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2022-07-20 01:38:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:38:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:38:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:38:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:38:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2022-07-20 01:38:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2022-07-20 01:38:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-07-20 01:38:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-07-20 01:38:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2022-07-20 01:38:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2022-07-20 01:38:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-07-20 01:38:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-07-20 01:38:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2022-07-20 01:38:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2022-07-20 01:38:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:38:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:38:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:38:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:38:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2022-07-20 01:38:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2022-07-20 01:38:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:38:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:38:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2022-07-20 01:38:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2022-07-20 01:38:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2022-07-20 01:38:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2022-07-20 01:38:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-07-20 01:38:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-07-20 01:38:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-07-20 01:38:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-07-20 01:38:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2022-07-20 01:38:28,896 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2022-07-20 01:38:28,896 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-07-20 01:38:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-07-20 01:38:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2022-07-20 01:38:28,897 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2022-07-20 01:38:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2022-07-20 01:38:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2022-07-20 01:38:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2022-07-20 01:38:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2022-07-20 01:38:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2022-07-20 01:38:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2022-07-20 01:38:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2022-07-20 01:38:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2022-07-20 01:38:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:38:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:38:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:38:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2022-07-20 01:38:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2022-07-20 01:38:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2022-07-20 01:38:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2022-07-20 01:38:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-07-20 01:38:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-07-20 01:38:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:38:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:38:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-07-20 01:38:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-07-20 01:38:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-07-20 01:38:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-07-20 01:38:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 01:38:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 01:38:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-07-20 01:38:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-07-20 01:38:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:38:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:38:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:38:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:38:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:38:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:38:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2022-07-20 01:38:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2022-07-20 01:38:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-07-20 01:38:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-07-20 01:38:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2022-07-20 01:38:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2022-07-20 01:38:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-20 01:38:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-20 01:38:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:38:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:38:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2022-07-20 01:38:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2022-07-20 01:38:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-07-20 01:38:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-07-20 01:38:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2022-07-20 01:38:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2022-07-20 01:38:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2022-07-20 01:38:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2022-07-20 01:38:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-20 01:38:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-20 01:38:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2022-07-20 01:38:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2022-07-20 01:38:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2022-07-20 01:38:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2022-07-20 01:38:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 01:38:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 01:38:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2022-07-20 01:38:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2022-07-20 01:38:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 01:38:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 01:38:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:38:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:38:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-07-20 01:38:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-07-20 01:38:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2022-07-20 01:38:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2022-07-20 01:38:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2022-07-20 01:38:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2022-07-20 01:38:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:38:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:38:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2022-07-20 01:38:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2022-07-20 01:38:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-07-20 01:38:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-07-20 01:38:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2022-07-20 01:38:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2022-07-20 01:38:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2022-07-20 01:38:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2022-07-20 01:38:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2022-07-20 01:38:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2022-07-20 01:38:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 01:38:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 01:38:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2022-07-20 01:38:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2022-07-20 01:38:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 01:38:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 01:38:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2022-07-20 01:38:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2022-07-20 01:38:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2022-07-20 01:38:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2022-07-20 01:38:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2022-07-20 01:38:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2022-07-20 01:38:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2022-07-20 01:38:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2022-07-20 01:38:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-20 01:38:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-20 01:38:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:38:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2022-07-20 01:38:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2022-07-20 01:38:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-07-20 01:38:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-07-20 01:38:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2022-07-20 01:38:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2022-07-20 01:38:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-07-20 01:38:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-07-20 01:38:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-07-20 01:38:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-07-20 01:38:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:38:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:38:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:38:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:38:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2022-07-20 01:38:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2022-07-20 01:38:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 01:38:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 01:38:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:38:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:38:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2022-07-20 01:38:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2022-07-20 01:38:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-20 01:38:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-20 01:38:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 01:38:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 01:38:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:38:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2022-07-20 01:38:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2022-07-20 01:38:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-07-20 01:38:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-07-20 01:38:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 01:38:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:38:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2022-07-20 01:38:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:38:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2022-07-20 01:38:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:38:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:38:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 01:38:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 01:38:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:38:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-07-20 01:38:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-07-20 01:38:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2022-07-20 01:38:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2022-07-20 01:38:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-07-20 01:38:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-07-20 01:38:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:38:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2022-07-20 01:38:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2022-07-20 01:38:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2022-07-20 01:38:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2022-07-20 01:38:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-07-20 01:38:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-07-20 01:38:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 01:38:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 01:38:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:38:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:38:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2022-07-20 01:38:28,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2022-07-20 01:38:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2022-07-20 01:38:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2022-07-20 01:38:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-07-20 01:38:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-07-20 01:38:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 01:38:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 01:38:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 01:38:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 01:38:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2022-07-20 01:38:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2022-07-20 01:38:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 01:38:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 01:38:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-07-20 01:38:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-07-20 01:38:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-07-20 01:38:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-07-20 01:38:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-07-20 01:38:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-07-20 01:38:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-07-20 01:38:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-07-20 01:38:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:38:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:38:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2022-07-20 01:38:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2022-07-20 01:38:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-07-20 01:38:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-07-20 01:38:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 01:38:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 01:38:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-07-20 01:38:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-07-20 01:38:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:38:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:38:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 01:38:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 01:38:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 01:38:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 01:38:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:38:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:38:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-07-20 01:38:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-07-20 01:38:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:38:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2022-07-20 01:38:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2022-07-20 01:38:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2022-07-20 01:38:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2022-07-20 01:38:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2022-07-20 01:38:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2022-07-20 01:38:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:38:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:38:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-07-20 01:38:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-07-20 01:38:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:38:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:38:30,004 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:38:30,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:38:30,483 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:38:41,748 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2022-07-20 01:38:41,963 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:38:41,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:38:42,000 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:38:42,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:38:42 BoogieIcfgContainer [2022-07-20 01:38:42,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:38:42,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:38:42,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:38:42,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:38:42,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:38:24" (1/3) ... [2022-07-20 01:38:42,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a7f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:38:42, skipping insertion in model container [2022-07-20 01:38:42,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:38:27" (2/3) ... [2022-07-20 01:38:42,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133a7f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:38:42, skipping insertion in model container [2022-07-20 01:38:42,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:38:42" (3/3) ... [2022-07-20 01:38:42,031 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2022-07-20 01:38:42,043 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:38:42,044 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:38:42,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:38:42,170 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@4c75dae0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2f8c0ecd [2022-07-20 01:38:42,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:38:42,185 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) [2022-07-20 01:38:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-20 01:38:42,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:38:42,227 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] [2022-07-20 01:38:42,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:38:42,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:38:42,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1345829926, now seen corresponding path program 1 times [2022-07-20 01:38:42,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:38:42,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847943465] [2022-07-20 01:38:42,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:38:42,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:38:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:38:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:38:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:38:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:38:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:38:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:38:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:38:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:38:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:38:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:38:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:38:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:38:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:38:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:38:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:38:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:38:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:38:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:38:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:38:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:38:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:38:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:38:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:38:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:38:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:38:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:38:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:38:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:38:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:38:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:38:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:38:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:38:43,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:38:43,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847943465] [2022-07-20 01:38:43,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847943465] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:38:43,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:38:43,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:38:43,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920416022] [2022-07-20 01:38:43,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:38:43,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:38:43,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:38:43,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:38:43,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:38:43,914 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) [2022-07-20 01:38:53,760 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 [] [2022-07-20 01:38:56,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:38:58,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:00,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:39:00,410 INFO L93 Difference]: Finished difference Result 8302 states and 12968 transitions. [2022-07-20 01:39:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 01:39:00,413 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 [2022-07-20 01:39:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:39:00,463 INFO L225 Difference]: With dead ends: 8302 [2022-07-20 01:39:00,463 INFO L226 Difference]: Without dead ends: 4330 [2022-07-20 01:39:00,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:39:00,495 INFO L413 NwaCegarLoop]: 5506 mSDtfsCounter, 1789 mSDsluCounter, 5615 mSDsCounter, 0 mSdLazyCounter, 3513 mSolverCounterSat, 2297 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 11121 SdHoareTripleChecker+Invalid, 5813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2297 IncrementalHoareTripleChecker+Valid, 3513 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:39:00,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 11121 Invalid, 5813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2297 Valid, 3513 Invalid, 3 Unknown, 0 Unchecked, 16.0s Time] [2022-07-20 01:39:00,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2022-07-20 01:39:00,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 3908. [2022-07-20 01:39:00,673 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) [2022-07-20 01:39:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 5802 transitions. [2022-07-20 01:39:00,697 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 5802 transitions. Word has length 375 [2022-07-20 01:39:00,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:39:00,699 INFO L495 AbstractCegarLoop]: Abstraction has 3908 states and 5802 transitions. [2022-07-20 01:39:00,699 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) [2022-07-20 01:39:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 5802 transitions. [2022-07-20 01:39:00,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-20 01:39:00,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:39:00,704 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] [2022-07-20 01:39:00,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:39:00,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:39:00,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:39:00,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1104598202, now seen corresponding path program 1 times [2022-07-20 01:39:00,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:39:00,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332775627] [2022-07-20 01:39:00,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:39:00,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:39:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:39:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:39:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:39:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:39:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:39:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:39:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:39:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:39:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:39:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:39:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:39:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:39:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:39:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:39:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:39:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:39:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:39:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:39:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:39:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:39:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:39:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:39:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:39:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:39:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:39:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:39:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:39:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:39:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:39:01,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:39:01,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332775627] [2022-07-20 01:39:01,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332775627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:39:01,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:39:01,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:39:01,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827277136] [2022-07-20 01:39:01,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:39:01,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:39:01,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:39:01,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:39:01,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:39:01,658 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) [2022-07-20 01:39:09,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:11,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:13,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:15,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:22,686 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 [] [2022-07-20 01:39:23,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:39:23,529 INFO L93 Difference]: Finished difference Result 12410 states and 18572 transitions. [2022-07-20 01:39:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:39:23,530 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 [2022-07-20 01:39:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:39:23,582 INFO L225 Difference]: With dead ends: 12410 [2022-07-20 01:39:23,583 INFO L226 Difference]: Without dead ends: 8566 [2022-07-20 01:39:23,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:39:23,676 INFO L413 NwaCegarLoop]: 6210 mSDtfsCounter, 10961 mSDsluCounter, 7472 mSDsCounter, 0 mSdLazyCounter, 4669 mSolverCounterSat, 7612 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11740 SdHoareTripleChecker+Valid, 13682 SdHoareTripleChecker+Invalid, 12284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7612 IncrementalHoareTripleChecker+Valid, 4669 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:39:23,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11740 Valid, 13682 Invalid, 12284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7612 Valid, 4669 Invalid, 3 Unknown, 0 Unchecked, 21.3s Time] [2022-07-20 01:39:23,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8566 states. [2022-07-20 01:39:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8566 to 7719. [2022-07-20 01:39:23,930 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) [2022-07-20 01:39:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7719 states to 7719 states and 11463 transitions. [2022-07-20 01:39:23,969 INFO L78 Accepts]: Start accepts. Automaton has 7719 states and 11463 transitions. Word has length 375 [2022-07-20 01:39:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:39:23,972 INFO L495 AbstractCegarLoop]: Abstraction has 7719 states and 11463 transitions. [2022-07-20 01:39:23,972 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) [2022-07-20 01:39:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 7719 states and 11463 transitions. [2022-07-20 01:39:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-07-20 01:39:23,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:39:23,976 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] [2022-07-20 01:39:23,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:39:23,976 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:39:23,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:39:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash 742675837, now seen corresponding path program 1 times [2022-07-20 01:39:23,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:39:23,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539699779] [2022-07-20 01:39:23,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:39:23,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:39:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:39:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:39:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:39:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:39:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:39:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:39:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:39:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:39:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:39:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:39:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:39:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:39:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:39:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:39:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:39:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:39:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:39:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:39:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:39:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:39:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:39:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:39:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:39:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:39:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:39:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:39:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:39:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:39:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:24,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:39:24,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:39:24,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539699779] [2022-07-20 01:39:24,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539699779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:39:24,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:39:24,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:39:24,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250600001] [2022-07-20 01:39:24,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:39:24,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:39:24,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:39:24,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:39:24,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:39:24,667 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) [2022-07-20 01:39:33,600 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 [] [2022-07-20 01:39:36,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:38,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:46,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:39:46,466 INFO L93 Difference]: Finished difference Result 24651 states and 36871 transitions. [2022-07-20 01:39:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:39:46,466 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 [2022-07-20 01:39:46,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:39:46,548 INFO L225 Difference]: With dead ends: 24651 [2022-07-20 01:39:46,549 INFO L226 Difference]: Without dead ends: 16996 [2022-07-20 01:39:46,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:39:46,580 INFO L413 NwaCegarLoop]: 6252 mSDtfsCounter, 9699 mSDsluCounter, 9898 mSDsCounter, 0 mSdLazyCounter, 6785 mSolverCounterSat, 5423 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10474 SdHoareTripleChecker+Valid, 16150 SdHoareTripleChecker+Invalid, 12211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5423 IncrementalHoareTripleChecker+Valid, 6785 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:39:46,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10474 Valid, 16150 Invalid, 12211 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5423 Valid, 6785 Invalid, 3 Unknown, 0 Unchecked, 21.0s Time] [2022-07-20 01:39:46,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16996 states. [2022-07-20 01:39:46,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16996 to 15309. [2022-07-20 01:39:47,015 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) [2022-07-20 01:39:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15309 states to 15309 states and 22734 transitions. [2022-07-20 01:39:47,066 INFO L78 Accepts]: Start accepts. Automaton has 15309 states and 22734 transitions. Word has length 376 [2022-07-20 01:39:47,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:39:47,069 INFO L495 AbstractCegarLoop]: Abstraction has 15309 states and 22734 transitions. [2022-07-20 01:39:47,069 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) [2022-07-20 01:39:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 15309 states and 22734 transitions. [2022-07-20 01:39:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-07-20 01:39:47,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:39:47,074 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] [2022-07-20 01:39:47,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:39:47,075 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:39:47,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:39:47,075 INFO L85 PathProgramCache]: Analyzing trace with hash -10298416, now seen corresponding path program 1 times [2022-07-20 01:39:47,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:39:47,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515146171] [2022-07-20 01:39:47,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:39:47,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:39:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:39:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:39:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:39:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:39:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:39:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:39:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:39:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:39:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:39:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:39:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:39:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:39:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:39:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:39:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:39:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:39:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:39:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:39:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:39:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:39:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:39:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:39:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:39:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:39:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:39:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:39:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:39:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:39:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:39:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:39:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:39:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:39:47,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:39:47,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515146171] [2022-07-20 01:39:47,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515146171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:39:47,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:39:47,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:39:47,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560249719] [2022-07-20 01:39:47,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:39:47,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:39:47,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:39:47,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:39:47,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:39:47,764 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) [2022-07-20 01:39:55,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:39:57,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:08,034 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 [] [2022-07-20 01:40:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:40:09,585 INFO L93 Difference]: Finished difference Result 48536 states and 72558 transitions. [2022-07-20 01:40:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:40:09,586 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 [2022-07-20 01:40:09,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:40:09,761 INFO L225 Difference]: With dead ends: 48536 [2022-07-20 01:40:09,761 INFO L226 Difference]: Without dead ends: 33291 [2022-07-20 01:40:09,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:40:09,831 INFO L413 NwaCegarLoop]: 6722 mSDtfsCounter, 8302 mSDsluCounter, 10604 mSDsCounter, 0 mSdLazyCounter, 6988 mSolverCounterSat, 4900 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9077 SdHoareTripleChecker+Valid, 17326 SdHoareTripleChecker+Invalid, 11891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4900 IncrementalHoareTripleChecker+Valid, 6988 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:40:09,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9077 Valid, 17326 Invalid, 11891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4900 Valid, 6988 Invalid, 3 Unknown, 0 Unchecked, 20.9s Time] [2022-07-20 01:40:09,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33291 states. [2022-07-20 01:40:10,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33291 to 30049. [2022-07-20 01:40:10,818 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) [2022-07-20 01:40:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30049 states to 30049 states and 44616 transitions. [2022-07-20 01:40:10,943 INFO L78 Accepts]: Start accepts. Automaton has 30049 states and 44616 transitions. Word has length 381 [2022-07-20 01:40:10,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:40:10,944 INFO L495 AbstractCegarLoop]: Abstraction has 30049 states and 44616 transitions. [2022-07-20 01:40:10,944 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) [2022-07-20 01:40:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30049 states and 44616 transitions. [2022-07-20 01:40:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-20 01:40:10,950 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:40:10,951 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] [2022-07-20 01:40:10,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:40:10,953 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:40:10,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:40:10,954 INFO L85 PathProgramCache]: Analyzing trace with hash -8015216, now seen corresponding path program 1 times [2022-07-20 01:40:10,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:40:10,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563754886] [2022-07-20 01:40:10,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:40:10,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:40:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:40:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:40:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:40:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:40:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:40:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:40:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:40:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:40:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:40:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:40:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:40:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:40:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:40:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:40:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:40:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:40:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:40:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:40:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:40:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:40:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:40:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:40:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:40:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:40:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:40:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:40:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:40:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:40:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-20 01:40:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 01:40:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2022-07-20 01:40:11,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:40:11,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563754886] [2022-07-20 01:40:11,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563754886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:40:11,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:40:11,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:40:11,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708132839] [2022-07-20 01:40:11,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:40:11,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:40:11,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:40:11,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:40:11,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:40:11,718 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) [2022-07-20 01:40:25,316 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 [] [2022-07-20 01:40:27,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:29,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:31,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:34,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:36,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:40:36,962 INFO L93 Difference]: Finished difference Result 81209 states and 120383 transitions. [2022-07-20 01:40:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:40:36,967 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 [2022-07-20 01:40:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:40:37,308 INFO L225 Difference]: With dead ends: 81209 [2022-07-20 01:40:37,308 INFO L226 Difference]: Without dead ends: 51224 [2022-07-20 01:40:37,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:40:37,392 INFO L413 NwaCegarLoop]: 7590 mSDtfsCounter, 4962 mSDsluCounter, 11524 mSDsCounter, 0 mSdLazyCounter, 6957 mSolverCounterSat, 3188 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5445 SdHoareTripleChecker+Valid, 19114 SdHoareTripleChecker+Invalid, 10150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3188 IncrementalHoareTripleChecker+Valid, 6957 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:40:37,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5445 Valid, 19114 Invalid, 10150 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3188 Valid, 6957 Invalid, 5 Unknown, 0 Unchecked, 24.1s Time] [2022-07-20 01:40:37,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51224 states. [2022-07-20 01:40:38,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51224 to 46408. [2022-07-20 01:40:38,675 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) [2022-07-20 01:40:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46408 states to 46408 states and 68105 transitions. [2022-07-20 01:40:38,849 INFO L78 Accepts]: Start accepts. Automaton has 46408 states and 68105 transitions. Word has length 408 [2022-07-20 01:40:38,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:40:38,851 INFO L495 AbstractCegarLoop]: Abstraction has 46408 states and 68105 transitions. [2022-07-20 01:40:38,851 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) [2022-07-20 01:40:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 46408 states and 68105 transitions. [2022-07-20 01:40:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-20 01:40:38,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:40:38,856 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] [2022-07-20 01:40:38,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:40:38,856 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:40:38,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:40:38,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1360788946, now seen corresponding path program 1 times [2022-07-20 01:40:38,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:40:38,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854698355] [2022-07-20 01:40:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:40:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:40:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:40:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:40:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:40:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:40:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:40:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:40:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:40:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:40:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:40:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:40:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:40:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:40:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:40:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:40:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:40:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:40:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:40:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:40:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:40:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:40:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:40:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:40:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:40:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:40:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:40:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:40:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:40:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:40:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 01:40:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-20 01:40:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 01:40:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 01:40:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-20 01:40:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 01:40:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-20 01:40:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-20 01:40:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-20 01:40:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-20 01:40:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-20 01:40:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 01:40:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:40:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:40:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:40:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4319 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-07-20 01:40:39,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:40:39,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854698355] [2022-07-20 01:40:39,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854698355] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:40:39,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:40:39,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:40:39,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221849454] [2022-07-20 01:40:39,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:40:39,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:40:39,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:40:39,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:40:39,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:40:39,872 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) [2022-07-20 01:40:50,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:53,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:55,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:40:57,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:40:57,652 INFO L93 Difference]: Finished difference Result 97604 states and 143917 transitions. [2022-07-20 01:40:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:40:57,653 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 [2022-07-20 01:40:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:40:57,973 INFO L225 Difference]: With dead ends: 97604 [2022-07-20 01:40:57,973 INFO L226 Difference]: Without dead ends: 51212 [2022-07-20 01:40:58,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:40:58,083 INFO L413 NwaCegarLoop]: 5436 mSDtfsCounter, 2313 mSDsluCounter, 14080 mSDsCounter, 0 mSdLazyCounter, 6627 mSolverCounterSat, 2419 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 19516 SdHoareTripleChecker+Invalid, 9049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2419 IncrementalHoareTripleChecker+Valid, 6627 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:40:58,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 19516 Invalid, 9049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2419 Valid, 6627 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2022-07-20 01:40:58,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51212 states. [2022-07-20 01:40:59,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51212 to 46408. [2022-07-20 01:40:59,646 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) [2022-07-20 01:40:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46408 states to 46408 states and 68089 transitions. [2022-07-20 01:40:59,937 INFO L78 Accepts]: Start accepts. Automaton has 46408 states and 68089 transitions. Word has length 574 [2022-07-20 01:40:59,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:40:59,938 INFO L495 AbstractCegarLoop]: Abstraction has 46408 states and 68089 transitions. [2022-07-20 01:40:59,938 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) [2022-07-20 01:40:59,939 INFO L276 IsEmpty]: Start isEmpty. Operand 46408 states and 68089 transitions. [2022-07-20 01:40:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-07-20 01:40:59,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:40:59,943 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] [2022-07-20 01:40:59,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:40:59,943 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:40:59,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:40:59,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1656237010, now seen corresponding path program 1 times [2022-07-20 01:40:59,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:40:59,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25484724] [2022-07-20 01:40:59,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:40:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:41:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:41:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:41:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:41:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:41:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:41:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:41:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:41:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:41:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:41:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:41:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:41:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:41:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:41:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:41:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:41:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:41:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:41:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:41:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:41:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:41:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:41:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:41:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:41:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:41:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:41:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:41:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:41:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:41:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 01:41:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 01:41:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 01:41:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 01:41:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 01:41:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 01:41:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 01:41:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 01:41:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-20 01:41:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-20 01:41:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-20 01:41:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-20 01:41:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-20 01:41:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 01:41:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-07-20 01:41:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-20 01:41:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-20 01:41:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-20 01:41:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-20 01:41:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-20 01:41:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-20 01:41:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-20 01:41:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-20 01:41:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2175 trivial. 0 not checked. [2022-07-20 01:41:01,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:41:01,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25484724] [2022-07-20 01:41:01,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25484724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:41:01,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:41:01,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:41:01,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91749385] [2022-07-20 01:41:01,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:41:01,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:41:01,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:41:01,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:41:01,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:41:01,191 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) [2022-07-20 01:41:20,267 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 [] [2022-07-20 01:41:23,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:41:26,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:41:28,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:41:30,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:41:35,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:41:35,558 INFO L93 Difference]: Finished difference Result 151912 states and 225171 transitions. [2022-07-20 01:41:35,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:41:35,567 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 571 [2022-07-20 01:41:35,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:41:36,028 INFO L225 Difference]: With dead ends: 151912 [2022-07-20 01:41:36,029 INFO L226 Difference]: Without dead ends: 105568 [2022-07-20 01:41:36,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:41:36,174 INFO L413 NwaCegarLoop]: 6528 mSDtfsCounter, 9225 mSDsluCounter, 15962 mSDsCounter, 0 mSdLazyCounter, 12186 mSolverCounterSat, 5464 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10108 SdHoareTripleChecker+Valid, 22490 SdHoareTripleChecker+Invalid, 17655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5464 IncrementalHoareTripleChecker+Valid, 12186 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:41:36,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10108 Valid, 22490 Invalid, 17655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5464 Valid, 12186 Invalid, 5 Unknown, 0 Unchecked, 31.9s Time] [2022-07-20 01:41:36,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105568 states. [2022-07-20 01:41:38,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105568 to 91552. [2022-07-20 01:41:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91552 states, 66266 states have (on average 1.378368997676033) internal successors, (91339), 68071 states have internal predecessors, (91339), 21512 states have call successors, (21512), 3770 states have call predecessors, (21512), 3773 states have return successors, (21558), 21040 states have call predecessors, (21558), 21510 states have call successors, (21558) [2022-07-20 01:41:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91552 states to 91552 states and 134409 transitions. [2022-07-20 01:41:39,695 INFO L78 Accepts]: Start accepts. Automaton has 91552 states and 134409 transitions. Word has length 571 [2022-07-20 01:41:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:41:39,696 INFO L495 AbstractCegarLoop]: Abstraction has 91552 states and 134409 transitions. [2022-07-20 01:41:39,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-20 01:41:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 91552 states and 134409 transitions. [2022-07-20 01:41:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2022-07-20 01:41:39,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:41:39,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:41:39,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:41:39,701 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:41:39,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:41:39,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1243547927, now seen corresponding path program 1 times [2022-07-20 01:41:39,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:41:39,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124942058] [2022-07-20 01:41:39,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:41:39,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:41:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:41:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:41:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:41:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:41:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:41:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:41:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:41:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:41:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 01:41:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:41:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 01:41:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:41:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:41:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:41:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:41:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 01:41:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 01:41:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 01:41:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:41:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:41:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 01:41:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:41:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:41:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 01:41:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:41:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 01:41:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 01:41:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 01:41:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-20 01:41:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 01:41:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 01:41:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 01:41:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 01:41:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 01:41:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-20 01:41:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-20 01:41:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-20 01:41:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-20 01:41:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-20 01:41:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-20 01:41:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-20 01:41:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-20 01:41:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-20 01:41:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-20 01:41:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-20 01:41:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:41:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:41:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:41:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4319 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-07-20 01:41:40,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:41:40,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124942058] [2022-07-20 01:41:40,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124942058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:41:40,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:41:40,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:41:40,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397592177] [2022-07-20 01:41:40,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:41:40,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:41:40,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:41:40,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:41:40,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:41:40,697 INFO L87 Difference]: Start difference. First operand 91552 states and 134409 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-20 01:41:59,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:42:03,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:42:05,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:42:08,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:42:10,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:42:14,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:42:14,935 INFO L93 Difference]: Finished difference Result 247221 states and 366175 transitions. [2022-07-20 01:42:14,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:42:14,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 608 [2022-07-20 01:42:14,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:42:16,021 INFO L225 Difference]: With dead ends: 247221 [2022-07-20 01:42:16,022 INFO L226 Difference]: Without dead ends: 155747 [2022-07-20 01:42:16,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 01:42:16,460 INFO L413 NwaCegarLoop]: 7177 mSDtfsCounter, 9909 mSDsluCounter, 14325 mSDsCounter, 0 mSdLazyCounter, 10188 mSolverCounterSat, 7084 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10763 SdHoareTripleChecker+Valid, 21502 SdHoareTripleChecker+Invalid, 17277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7084 IncrementalHoareTripleChecker+Valid, 10188 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:42:16,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10763 Valid, 21502 Invalid, 17277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7084 Valid, 10188 Invalid, 5 Unknown, 0 Unchecked, 29.9s Time] [2022-07-20 01:42:16,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155747 states. [2022-07-20 01:42:20,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155747 to 135064. [2022-07-20 01:42:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135064 states, 97802 states have (on average 1.3780086296803746) internal successors, (134772), 100453 states have internal predecessors, (134772), 31689 states have call successors, (31689), 5569 states have call predecessors, (31689), 5572 states have return successors, (31759), 30997 states have call predecessors, (31759), 31687 states have call successors, (31759) [2022-07-20 01:42:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135064 states to 135064 states and 198220 transitions. [2022-07-20 01:42:22,107 INFO L78 Accepts]: Start accepts. Automaton has 135064 states and 198220 transitions. Word has length 608 [2022-07-20 01:42:22,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:42:22,108 INFO L495 AbstractCegarLoop]: Abstraction has 135064 states and 198220 transitions. [2022-07-20 01:42:22,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-20 01:42:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 135064 states and 198220 transitions. [2022-07-20 01:42:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-07-20 01:42:22,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:42:22,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:42:22,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 01:42:22,114 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:42:22,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:42:22,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1080805690, now seen corresponding path program 1 times [2022-07-20 01:42:22,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:42:22,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121961667] [2022-07-20 01:42:22,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:42:22,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms