./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.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 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:21:43,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:21:43,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:21:43,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:21:43,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:21:43,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:21:43,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:21:43,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:21:43,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:21:43,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:21:43,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:21:43,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:21:43,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:21:43,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:21:43,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:21:43,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:21:43,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:21:43,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:21:43,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:21:43,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:21:43,640 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:21:43,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:21:43,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:21:43,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:21:43,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:21:43,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:21:43,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:21:43,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:21:43,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:21:43,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:21:43,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:21:43,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:21:43,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:21:43,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:21:43,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:21:43,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:21:43,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:21:43,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:21:43,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:21:43,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:21:43,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:21:43,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:21:43,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:21:43,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:21:43,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:21:43,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:21:43,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:21:43,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:21:43,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:21:43,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:21:43,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:21:43,699 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:21:43,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:21:43,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:21:43,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:21:43,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:21:43,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:21:43,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:21:43,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:21:43,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:21:43,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:21:43,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:21:43,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:21:43,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:21:43,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:21:43,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:21:43,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:21:43,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:21:43,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:21:43,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:21:43,703 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:21:43,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:21:43,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:21:43,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 [2022-07-23 03:21:43,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:21:44,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:21:44,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:21:44,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:21:44,013 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:21:44,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-07-23 03:21:44,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126b65eef/01c92b122ea74257989487767318b1f9/FLAGd8953759d [2022-07-23 03:21:44,806 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:21:44,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-07-23 03:21:44,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126b65eef/01c92b122ea74257989487767318b1f9/FLAGd8953759d [2022-07-23 03:21:44,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126b65eef/01c92b122ea74257989487767318b1f9 [2022-07-23 03:21:44,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:21:44,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:21:44,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:21:44,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:21:44,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:21:44,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:21:44" (1/1) ... [2022-07-23 03:21:44,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6963f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:44, skipping insertion in model container [2022-07-23 03:21:44,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:21:44" (1/1) ... [2022-07-23 03:21:44,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:21:45,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:21:47,141 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-07-23 03:21:47,145 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-07-23 03:21:47,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:21:47,186 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:21:47,540 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-07-23 03:21:47,541 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-07-23 03:21:47,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:21:47,673 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:21:47,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47 WrapperNode [2022-07-23 03:21:47,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:21:47,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:21:47,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:21:47,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:21:47,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:47,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:47,967 INFO L137 Inliner]: procedures = 363, calls = 2926, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4902 [2022-07-23 03:21:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:21:47,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:21:47,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:21:47,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:21:47,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:47,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:48,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:48,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:48,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:48,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:48,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:48,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:21:48,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:21:48,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:21:48,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:21:48,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (1/1) ... [2022-07-23 03:21:48,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:21:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:21:48,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:21:48,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:21:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 03:21:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 03:21:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 03:21:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 03:21:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 03:21:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:21:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:21:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:21:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:21:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:21:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:21:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-07-23 03:21:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-07-23 03:21:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 03:21:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 03:21:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-23 03:21:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-23 03:21:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:21:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:21:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-07-23 03:21:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-07-23 03:21:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-23 03:21:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-23 03:21:48,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 03:21:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 03:21:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-07-23 03:21:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-07-23 03:21:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-07-23 03:21:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-07-23 03:21:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-23 03:21:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-23 03:21:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-23 03:21:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-23 03:21:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:21:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-23 03:21:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-23 03:21:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:21:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:21:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:21:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:21:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:21:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-07-23 03:21:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-07-23 03:21:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:21:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:21:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-07-23 03:21:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-07-23 03:21:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2022-07-23 03:21:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2022-07-23 03:21:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 03:21:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 03:21:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 03:21:48,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 03:21:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 03:21:48,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 03:21:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:21:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:21:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-07-23 03:21:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-07-23 03:21:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-23 03:21:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-23 03:21:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:21:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:21:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:21:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 03:21:48,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 03:21:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-07-23 03:21:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-07-23 03:21:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:21:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:21:48,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:21:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-07-23 03:21:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-07-23 03:21:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-23 03:21:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-23 03:21:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:21:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-23 03:21:48,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-23 03:21:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 03:21:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 03:21:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:21:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:21:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 03:21:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 03:21:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:21:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:21:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:21:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:21:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 03:21:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 03:21:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:21:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:21:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-23 03:21:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-23 03:21:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:21:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:21:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:21:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-07-23 03:21:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-07-23 03:21:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-23 03:21:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-23 03:21:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-07-23 03:21:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-07-23 03:21:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:21:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:21:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:21:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:21:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:21:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-07-23 03:21:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-07-23 03:21:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 03:21:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 03:21:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:21:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:21:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:21:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:21:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-07-23 03:21:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-07-23 03:21:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:21:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-07-23 03:21:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-07-23 03:21:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-23 03:21:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-23 03:21:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:21:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:21:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:21:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:21:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:21:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:21:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-07-23 03:21:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-07-23 03:21:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 03:21:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 03:21:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:21:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:21:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-07-23 03:21:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-07-23 03:21:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-07-23 03:21:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-07-23 03:21:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-07-23 03:21:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-07-23 03:21:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:21:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-23 03:21:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-23 03:21:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:21:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:21:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:21:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:21:49,085 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:21:49,088 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:21:49,391 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:22:07,921 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:22:07,961 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:22:07,976 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:22:07,976 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-23 03:22:07,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:22:07 BoogieIcfgContainer [2022-07-23 03:22:07,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:22:07,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:22:07,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:22:07,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:22:07,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:21:44" (1/3) ... [2022-07-23 03:22:07,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63040871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:22:07, skipping insertion in model container [2022-07-23 03:22:07,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:21:47" (2/3) ... [2022-07-23 03:22:07,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63040871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:22:07, skipping insertion in model container [2022-07-23 03:22:07,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:22:07" (3/3) ... [2022-07-23 03:22:07,987 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-07-23 03:22:07,999 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:22:07,999 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:22:08,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:22:08,079 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@2a35c925, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1720d9fc [2022-07-23 03:22:08,080 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:22:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 1390 states, 971 states have (on average 1.3202883625128734) internal successors, (1282), 980 states have internal predecessors, (1282), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) [2022-07-23 03:22:08,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-23 03:22:08,126 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:22:08,127 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:22:08,127 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:22:08,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:22:08,132 INFO L85 PathProgramCache]: Analyzing trace with hash 696493956, now seen corresponding path program 1 times [2022-07-23 03:22:08,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:22:08,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345044680] [2022-07-23 03:22:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:22:08,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:22:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:22:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:22:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:22:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:22:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:22:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:22:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:22:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:22:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:22:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:22:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:22:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:22:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:22:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:22:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:22:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:22:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:22:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:22:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:22:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:22:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 03:22:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 03:22:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 03:22:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 03:22:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-23 03:22:09,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:22:09,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345044680] [2022-07-23 03:22:09,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345044680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:22:09,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:22:09,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:22:09,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513772492] [2022-07-23 03:22:09,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:22:09,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:22:09,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:22:09,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:22:09,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:22:09,442 INFO L87 Difference]: Start difference. First operand has 1390 states, 971 states have (on average 1.3202883625128734) internal successors, (1282), 980 states have internal predecessors, (1282), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 03:22:15,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:18,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:21,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:23,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:26,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:28,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:22:29,613 INFO L93 Difference]: Finished difference Result 3558 states and 5184 transitions. [2022-07-23 03:22:29,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:22:29,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2022-07-23 03:22:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:22:29,646 INFO L225 Difference]: With dead ends: 3558 [2022-07-23 03:22:29,646 INFO L226 Difference]: Without dead ends: 2137 [2022-07-23 03:22:29,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:22:29,660 INFO L413 NwaCegarLoop]: 2046 mSDtfsCounter, 1555 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 1330 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 5116 SdHoareTripleChecker+Invalid, 3375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:22:29,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 5116 Invalid, 3375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1330 Valid, 2041 Invalid, 4 Unknown, 0 Unchecked, 19.8s Time] [2022-07-23 03:22:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2022-07-23 03:22:29,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2066. [2022-07-23 03:22:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 1477 states have (on average 1.3026404874746107) internal successors, (1924), 1489 states have internal predecessors, (1924), 492 states have call successors, (492), 96 states have call predecessors, (492), 96 states have return successors, (492), 489 states have call predecessors, (492), 492 states have call successors, (492) [2022-07-23 03:22:29,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2908 transitions. [2022-07-23 03:22:29,890 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2908 transitions. Word has length 276 [2022-07-23 03:22:29,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:22:29,894 INFO L495 AbstractCegarLoop]: Abstraction has 2066 states and 2908 transitions. [2022-07-23 03:22:29,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-23 03:22:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2908 transitions. [2022-07-23 03:22:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-23 03:22:29,908 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:22:29,909 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-07-23 03:22:29,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:22:29,909 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:22:29,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:22:29,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1875620739, now seen corresponding path program 1 times [2022-07-23 03:22:29,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:22:29,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027393926] [2022-07-23 03:22:29,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:22:29,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:22:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:22:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:22:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:22:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:22:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:22:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:22:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:22:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:22:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:22:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:22:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:22:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:22:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:22:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:22:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:22:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:22:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:22:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:22:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:22:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:22:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 03:22:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:22:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:22:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 03:22:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 03:22:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 03:22:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 03:22:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:30,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-07-23 03:22:30,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:22:30,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027393926] [2022-07-23 03:22:30,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027393926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:22:30,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:22:30,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:22:30,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145731960] [2022-07-23 03:22:30,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:22:30,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:22:30,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:22:30,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:22:30,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:22:30,625 INFO L87 Difference]: Start difference. First operand 2066 states and 2908 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 03:22:37,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:39,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:40,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:43,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:45,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:48,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:52,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:55,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:22:56,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:22:56,981 INFO L93 Difference]: Finished difference Result 6114 states and 8659 transitions. [2022-07-23 03:22:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:22:56,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 288 [2022-07-23 03:22:56,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:22:57,006 INFO L225 Difference]: With dead ends: 6114 [2022-07-23 03:22:57,007 INFO L226 Difference]: Without dead ends: 4091 [2022-07-23 03:22:57,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:22:57,016 INFO L413 NwaCegarLoop]: 2056 mSDtfsCounter, 2249 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 1525 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2516 SdHoareTripleChecker+Valid, 5137 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1525 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:22:57,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2516 Valid, 5137 Invalid, 3687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1525 Valid, 2156 Invalid, 6 Unknown, 0 Unchecked, 26.1s Time] [2022-07-23 03:22:57,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-07-23 03:22:57,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 3953. [2022-07-23 03:22:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3953 states, 2833 states have (on average 1.304271090716555) internal successors, (3695), 2861 states have internal predecessors, (3695), 929 states have call successors, (929), 190 states have call predecessors, (929), 190 states have return successors, (929), 919 states have call predecessors, (929), 929 states have call successors, (929) [2022-07-23 03:22:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 5553 transitions. [2022-07-23 03:22:57,187 INFO L78 Accepts]: Start accepts. Automaton has 3953 states and 5553 transitions. Word has length 288 [2022-07-23 03:22:57,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:22:57,188 INFO L495 AbstractCegarLoop]: Abstraction has 3953 states and 5553 transitions. [2022-07-23 03:22:57,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 03:22:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3953 states and 5553 transitions. [2022-07-23 03:22:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-23 03:22:57,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:22:57,202 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 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] [2022-07-23 03:22:57,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:22:57,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:22:57,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:22:57,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2055850057, now seen corresponding path program 1 times [2022-07-23 03:22:57,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:22:57,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635009861] [2022-07-23 03:22:57,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:22:57,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:22:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:22:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:22:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:22:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:22:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:22:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:22:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:22:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:22:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:22:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:22:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:22:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:22:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:22:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:22:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:22:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:22:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:22:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:22:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:22:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:22:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 03:22:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 03:22:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 03:22:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:22:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:22:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:22:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-23 03:22:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:22:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2022-07-23 03:22:57,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:22:57,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635009861] [2022-07-23 03:22:57,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635009861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:22:57,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:22:57,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:22:57,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787749558] [2022-07-23 03:22:57,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:22:57,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:22:57,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:22:57,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:22:57,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:22:57,792 INFO L87 Difference]: Start difference. First operand 3953 states and 5553 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 03:23:02,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:04,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:06,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:08,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:10,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:12,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:14,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:16,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:19,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:22,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:26,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:23:26,159 INFO L93 Difference]: Finished difference Result 12009 states and 16970 transitions. [2022-07-23 03:23:26,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:23:26,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 301 [2022-07-23 03:23:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:23:26,208 INFO L225 Difference]: With dead ends: 12009 [2022-07-23 03:23:26,208 INFO L226 Difference]: Without dead ends: 8099 [2022-07-23 03:23:26,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:23:26,225 INFO L413 NwaCegarLoop]: 2690 mSDtfsCounter, 2185 mSDsluCounter, 3813 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 1257 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2470 SdHoareTripleChecker+Valid, 6503 SdHoareTripleChecker+Invalid, 3613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1257 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:23:26,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2470 Valid, 6503 Invalid, 3613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1257 Valid, 2350 Invalid, 6 Unknown, 0 Unchecked, 28.0s Time] [2022-07-23 03:23:26,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2022-07-23 03:23:26,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 7829. [2022-07-23 03:23:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7829 states, 5617 states have (on average 1.3047890332917929) internal successors, (7329), 5673 states have internal predecessors, (7329), 1831 states have call successors, (1831), 380 states have call predecessors, (1831), 380 states have return successors, (1831), 1811 states have call predecessors, (1831), 1831 states have call successors, (1831) [2022-07-23 03:23:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7829 states to 7829 states and 10991 transitions. [2022-07-23 03:23:26,587 INFO L78 Accepts]: Start accepts. Automaton has 7829 states and 10991 transitions. Word has length 301 [2022-07-23 03:23:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:23:26,587 INFO L495 AbstractCegarLoop]: Abstraction has 7829 states and 10991 transitions. [2022-07-23 03:23:26,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 03:23:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 7829 states and 10991 transitions. [2022-07-23 03:23:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-23 03:23:26,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:23:26,598 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 5, 5, 5, 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] [2022-07-23 03:23:26,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:23:26,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:23:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:23:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1622958099, now seen corresponding path program 1 times [2022-07-23 03:23:26,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:23:26,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263386588] [2022-07-23 03:23:26,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:23:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:23:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:23:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:23:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:23:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:23:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:23:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:23:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:23:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:23:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:23:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:23:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:23:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:23:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:23:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:23:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:23:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:23:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:23:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:23:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:23:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:23:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 03:23:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:23:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:23:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 03:23:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:23:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:23:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 03:23:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 03:23:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 03:23:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:23:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 03:23:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 03:23:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-07-23 03:23:27,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:23:27,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263386588] [2022-07-23 03:23:27,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263386588] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:23:27,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:23:27,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:23:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866809563] [2022-07-23 03:23:27,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:23:27,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:23:27,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:23:27,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:23:27,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:23:27,312 INFO L87 Difference]: Start difference. First operand 7829 states and 10991 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-23 03:23:29,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:23:29,857 INFO L93 Difference]: Finished difference Result 22817 states and 32004 transitions. [2022-07-23 03:23:29,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:23:29,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 320 [2022-07-23 03:23:29,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:23:29,946 INFO L225 Difference]: With dead ends: 22817 [2022-07-23 03:23:29,946 INFO L226 Difference]: Without dead ends: 15031 [2022-07-23 03:23:29,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:23:29,980 INFO L413 NwaCegarLoop]: 2109 mSDtfsCounter, 1810 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 4593 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:23:29,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 4593 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-23 03:23:29,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15031 states. [2022-07-23 03:23:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15031 to 14861. [2022-07-23 03:23:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14861 states, 10705 states have (on average 1.3004203643157404) internal successors, (13921), 10833 states have internal predecessors, (13921), 3395 states have call successors, (3395), 760 states have call predecessors, (3395), 760 states have return successors, (3395), 3339 states have call predecessors, (3395), 3395 states have call successors, (3395) [2022-07-23 03:23:30,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14861 states to 14861 states and 20711 transitions. [2022-07-23 03:23:30,677 INFO L78 Accepts]: Start accepts. Automaton has 14861 states and 20711 transitions. Word has length 320 [2022-07-23 03:23:30,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:23:30,681 INFO L495 AbstractCegarLoop]: Abstraction has 14861 states and 20711 transitions. [2022-07-23 03:23:30,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-23 03:23:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 14861 states and 20711 transitions. [2022-07-23 03:23:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-23 03:23:30,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:23:30,696 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-07-23 03:23:30,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:23:30,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:23:30,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:23:30,697 INFO L85 PathProgramCache]: Analyzing trace with hash 890049339, now seen corresponding path program 1 times [2022-07-23 03:23:30,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:23:30,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738234384] [2022-07-23 03:23:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:23:30,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:23:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:23:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:23:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:23:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:23:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:23:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:23:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:23:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:23:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:23:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:23:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:23:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:23:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:23:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:23:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:23:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:23:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:23:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:23:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:23:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:23:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 03:23:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:23:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:23:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:23:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 03:23:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 03:23:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 03:23:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 03:23:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:23:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-07-23 03:23:31,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:23:31,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738234384] [2022-07-23 03:23:31,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738234384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:23:31,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:23:31,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:23:31,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691303707] [2022-07-23 03:23:31,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:23:31,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:23:31,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:23:31,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:23:31,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:23:31,424 INFO L87 Difference]: Start difference. First operand 14861 states and 20711 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 03:23:34,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:38,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:40,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:42,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:46,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:48,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:51,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:53,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:56,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:23:58,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:00,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:00,990 INFO L93 Difference]: Finished difference Result 44337 states and 61884 transitions. [2022-07-23 03:24:00,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:24:00,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2022-07-23 03:24:00,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:01,131 INFO L225 Difference]: With dead ends: 44337 [2022-07-23 03:24:01,131 INFO L226 Difference]: Without dead ends: 29519 [2022-07-23 03:24:01,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:24:01,197 INFO L413 NwaCegarLoop]: 2260 mSDtfsCounter, 2089 mSDsluCounter, 3261 mSDsCounter, 0 mSdLazyCounter, 2215 mSolverCounterSat, 1458 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 5521 SdHoareTripleChecker+Invalid, 3681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1458 IncrementalHoareTripleChecker+Valid, 2215 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:01,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 5521 Invalid, 3681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1458 Valid, 2215 Invalid, 8 Unknown, 0 Unchecked, 28.9s Time] [2022-07-23 03:24:01,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29519 states. [2022-07-23 03:24:02,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29519 to 28429. [2022-07-23 03:24:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28429 states, 20393 states have (on average 1.2918648555877017) internal successors, (26345), 20665 states have internal predecessors, (26345), 6515 states have call successors, (6515), 1520 states have call predecessors, (6515), 1520 states have return successors, (6515), 6387 states have call predecessors, (6515), 6515 states have call successors, (6515) [2022-07-23 03:24:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28429 states to 28429 states and 39375 transitions. [2022-07-23 03:24:02,496 INFO L78 Accepts]: Start accepts. Automaton has 28429 states and 39375 transitions. Word has length 306 [2022-07-23 03:24:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:02,497 INFO L495 AbstractCegarLoop]: Abstraction has 28429 states and 39375 transitions. [2022-07-23 03:24:02,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 03:24:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 28429 states and 39375 transitions. [2022-07-23 03:24:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-23 03:24:02,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:02,515 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 3, 3, 3, 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] [2022-07-23 03:24:02,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:24:02,515 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash -646304945, now seen corresponding path program 1 times [2022-07-23 03:24:02,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:24:02,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857291345] [2022-07-23 03:24:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:24:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:24:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:24:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:24:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:24:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:24:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:24:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:24:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:24:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:24:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:24:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:24:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:24:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:24:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:24:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:24:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:24:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:24:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:24:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:24:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 03:24:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 03:24:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 03:24:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:24:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:24:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 03:24:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 03:24:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:24:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 03:24:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-07-23 03:24:03,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:24:03,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857291345] [2022-07-23 03:24:03,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857291345] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:03,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:03,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:24:03,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138068771] [2022-07-23 03:24:03,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:03,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:24:03,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:24:03,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:24:03,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:24:03,380 INFO L87 Difference]: Start difference. First operand 28429 states and 39375 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 03:24:07,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:11,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:13,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:15,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:18,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:20,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:23,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:24,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:27,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:30,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:31,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:24:31,194 INFO L93 Difference]: Finished difference Result 58720 states and 81367 transitions. [2022-07-23 03:24:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:24:31,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 310 [2022-07-23 03:24:31,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:24:31,345 INFO L225 Difference]: With dead ends: 58720 [2022-07-23 03:24:31,346 INFO L226 Difference]: Without dead ends: 30334 [2022-07-23 03:24:31,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:24:31,429 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 1125 mSDsluCounter, 3028 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 1013 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 4930 SdHoareTripleChecker+Invalid, 2787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1013 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:24:31,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 4930 Invalid, 2787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1013 Valid, 1768 Invalid, 6 Unknown, 0 Unchecked, 27.0s Time] [2022-07-23 03:24:31,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30334 states. [2022-07-23 03:24:32,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30334 to 29259. [2022-07-23 03:24:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29259 states, 20982 states have (on average 1.2876274902297207) internal successors, (27017), 21255 states have internal predecessors, (27017), 6629 states have call successors, (6629), 1647 states have call predecessors, (6629), 1647 states have return successors, (6629), 6501 states have call predecessors, (6629), 6629 states have call successors, (6629) [2022-07-23 03:24:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29259 states to 29259 states and 40275 transitions. [2022-07-23 03:24:32,761 INFO L78 Accepts]: Start accepts. Automaton has 29259 states and 40275 transitions. Word has length 310 [2022-07-23 03:24:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:24:32,762 INFO L495 AbstractCegarLoop]: Abstraction has 29259 states and 40275 transitions. [2022-07-23 03:24:32,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 03:24:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 29259 states and 40275 transitions. [2022-07-23 03:24:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-23 03:24:32,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:24:32,782 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 5, 5, 5, 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] [2022-07-23 03:24:32,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:24:32,782 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:24:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:24:32,783 INFO L85 PathProgramCache]: Analyzing trace with hash 725011367, now seen corresponding path program 1 times [2022-07-23 03:24:32,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:24:32,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943647074] [2022-07-23 03:24:32,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:24:32,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:24:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:32,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:24:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:24:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:24:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:24:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:24:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:24:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:24:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:24:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:24:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:24:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:24:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:24:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:24:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:24:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:24:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:24:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:24:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:24:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:24:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:24:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 03:24:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:24:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:24:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 03:24:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:24:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:24:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:24:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 03:24:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 03:24:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:24:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:24:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 03:24:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 03:24:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 03:24:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:24:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-07-23 03:24:33,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:24:33,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943647074] [2022-07-23 03:24:33,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943647074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:24:33,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:24:33,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:24:33,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343707183] [2022-07-23 03:24:33,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:24:33,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:24:33,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:24:33,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:24:33,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:24:33,360 INFO L87 Difference]: Start difference. First operand 29259 states and 40275 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 03:24:39,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:42,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:45,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:46,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:48,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:51,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:53,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:55,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:24:58,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:01,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:25:03,156 INFO L93 Difference]: Finished difference Result 84037 states and 115766 transitions. [2022-07-23 03:25:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:25:03,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 330 [2022-07-23 03:25:03,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:25:03,572 INFO L225 Difference]: With dead ends: 84037 [2022-07-23 03:25:03,574 INFO L226 Difference]: Without dead ends: 54821 [2022-07-23 03:25:03,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:25:03,659 INFO L413 NwaCegarLoop]: 2222 mSDtfsCounter, 2100 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 1398 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2352 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 3588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1398 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:25:03,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2352 Valid, 5458 Invalid, 3588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1398 Valid, 2183 Invalid, 7 Unknown, 0 Unchecked, 28.7s Time] [2022-07-23 03:25:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54821 states. [2022-07-23 03:25:05,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54821 to 52811. [2022-07-23 03:25:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52811 states, 38071 states have (on average 1.2806598198103543) internal successors, (48756), 38631 states have internal predecessors, (48756), 11677 states have call successors, (11677), 3062 states have call predecessors, (11677), 3062 states have return successors, (11677), 11389 states have call predecessors, (11677), 11677 states have call successors, (11677) [2022-07-23 03:25:05,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52811 states to 52811 states and 72110 transitions. [2022-07-23 03:25:05,534 INFO L78 Accepts]: Start accepts. Automaton has 52811 states and 72110 transitions. Word has length 330 [2022-07-23 03:25:05,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:25:05,535 INFO L495 AbstractCegarLoop]: Abstraction has 52811 states and 72110 transitions. [2022-07-23 03:25:05,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 03:25:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 52811 states and 72110 transitions. [2022-07-23 03:25:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-23 03:25:05,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:25:05,567 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 19, 19, 19, 19, 19, 19, 5, 5, 5, 3, 3, 3, 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] [2022-07-23 03:25:05,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:25:05,567 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:25:05,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:25:05,568 INFO L85 PathProgramCache]: Analyzing trace with hash 617194335, now seen corresponding path program 1 times [2022-07-23 03:25:05,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:25:05,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239784412] [2022-07-23 03:25:05,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:25:05,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:25:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:25:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:25:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:25:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:25:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:25:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:25:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:25:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:25:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:25:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:25:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:25:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:25:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:25:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:25:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:25:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:25:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:25:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:25:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:25:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:25:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 03:25:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 03:25:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 03:25:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 03:25:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 03:25:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 03:25:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 03:25:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 03:25:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:25:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 03:25:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 03:25:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 03:25:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 03:25:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2022-07-23 03:25:06,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:25:06,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239784412] [2022-07-23 03:25:06,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239784412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:25:06,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:25:06,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:25:06,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393796059] [2022-07-23 03:25:06,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:25:06,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:25:06,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:25:06,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:25:06,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:25:06,615 INFO L87 Difference]: Start difference. First operand 52811 states and 72110 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-23 03:25:12,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:13,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:15,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:18,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:20,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:22,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:24,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:27,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:29,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:31,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:32,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:35,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:38,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:40,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:25:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:25:41,511 INFO L93 Difference]: Finished difference Result 125663 states and 171883 transitions. [2022-07-23 03:25:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:25:41,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 364 [2022-07-23 03:25:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:25:41,963 INFO L225 Difference]: With dead ends: 125663 [2022-07-23 03:25:41,963 INFO L226 Difference]: Without dead ends: 73005 [2022-07-23 03:25:42,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:25:42,111 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2263 mSDsluCounter, 2426 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 1282 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 4328 SdHoareTripleChecker+Invalid, 3028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1282 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:25:42,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 4328 Invalid, 3028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1282 Valid, 1738 Invalid, 8 Unknown, 0 Unchecked, 33.3s Time] [2022-07-23 03:25:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73005 states. [2022-07-23 03:25:44,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73005 to 70563. [2022-07-23 03:25:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70563 states, 51015 states have (on average 1.2817798686660786) internal successors, (65390), 51743 states have internal predecessors, (65390), 15353 states have call successors, (15353), 4194 states have call predecessors, (15353), 4194 states have return successors, (15353), 14921 states have call predecessors, (15353), 15353 states have call successors, (15353) [2022-07-23 03:25:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70563 states to 70563 states and 96096 transitions. [2022-07-23 03:25:44,679 INFO L78 Accepts]: Start accepts. Automaton has 70563 states and 96096 transitions. Word has length 364 [2022-07-23 03:25:44,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:25:44,680 INFO L495 AbstractCegarLoop]: Abstraction has 70563 states and 96096 transitions. [2022-07-23 03:25:44,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-23 03:25:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 70563 states and 96096 transitions. [2022-07-23 03:25:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-23 03:25:44,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:25:44,713 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 19, 19, 19, 19, 19, 19, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:25:44,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:25:44,714 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:25:44,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:25:44,714 INFO L85 PathProgramCache]: Analyzing trace with hash -856044007, now seen corresponding path program 1 times [2022-07-23 03:25:44,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:25:44,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878279862] [2022-07-23 03:25:44,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:25:44,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:25:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:25:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:25:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:25:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:25:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:25:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:25:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:25:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:25:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:25:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:25:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:25:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:25:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:25:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:25:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:25:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:25:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:25:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:25:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:25:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 03:25:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 03:25:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 03:25:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 03:25:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 03:25:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 03:25:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 03:25:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 03:25:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 03:25:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 03:25:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:25:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:25:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:25:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:25:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 03:25:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:25:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 03:25:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:25:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2022-07-23 03:25:45,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:25:45,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878279862] [2022-07-23 03:25:45,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878279862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:25:45,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:25:45,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:25:45,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581679248] [2022-07-23 03:25:45,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:25:45,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:25:45,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:25:45,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:25:45,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:25:45,365 INFO L87 Difference]: Start difference. First operand 70563 states and 96096 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38)