./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF --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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:38:47,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:38:47,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:38:47,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:38:47,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:38:47,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:38:47,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:38:47,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:38:47,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:38:47,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:38:47,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:38:47,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:38:47,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:38:47,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:38:47,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:38:47,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:38:47,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:38:47,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:38:47,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:38:47,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:38:47,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:38:47,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:38:47,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:38:47,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:38:47,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:38:47,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:38:47,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:38:47,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:38:47,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:38:47,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:38:47,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:38:47,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:38:47,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:38:47,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:38:47,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:38:47,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:38:47,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:38:47,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:38:47,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:38:47,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:38:47,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:38:47,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:38:47,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:38:47,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:38:47,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:38:47,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:38:47,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:38:47,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:38:47,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:38:47,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:38:47,748 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:38:47,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:38:47,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:38:47,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:38:47,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:38:47,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:38:47,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:38:47,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:38:47,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:38:47,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:38:47,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:38:47,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:38:47,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:38:47,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:38:47,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:38:47,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:38:47,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:38:47,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:38:47,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:38:47,755 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:38:47,755 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:38:47,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:38:47,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:38:47,758 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2021-11-20 05:38:48,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:38:48,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:38:48,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:38:48,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:38:48,108 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:38:48,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-20 05:38:48,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/data/efda0de21/2b78d81413694868ac51393e1b7c0d96/FLAG8b12dffa1 [2021-11-20 05:38:49,346 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:38:49,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-20 05:38:49,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/data/efda0de21/2b78d81413694868ac51393e1b7c0d96/FLAG8b12dffa1 [2021-11-20 05:38:49,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/data/efda0de21/2b78d81413694868ac51393e1b7c0d96 [2021-11-20 05:38:49,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:38:49,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:38:49,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:38:49,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:38:49,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:38:49,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:49" (1/1) ... [2021-11-20 05:38:49,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7afc1fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:49, skipping insertion in model container [2021-11-20 05:38:49,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:38:49" (1/1) ... [2021-11-20 05:38:49,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:38:49,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:38:57,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-20 05:38:57,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-20 05:38:57,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:38:58,055 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:38:58,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-20 05:38:58,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-20 05:38:58,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:38:59,486 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:38:59,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59 WrapperNode [2021-11-20 05:38:59,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:38:59,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:38:59,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:38:59,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:38:59,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:38:59,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:00,291 INFO L137 Inliner]: procedures = 696, calls = 6946, calls flagged for inlining = 319, calls inlined = 300, statements flattened = 13635 [2021-11-20 05:39:00,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:39:00,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:39:00,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:39:00,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:39:00,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:00,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:00,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:00,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:01,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:01,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:01,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:01,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:39:01,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:39:01,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:39:01,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:39:01,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (1/1) ... [2021-11-20 05:39:01,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:39:01,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:39:01,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:39:01,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c02d62-ef06-4e01-b4c2-60d225a6272f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:39:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-11-20 05:39:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-11-20 05:39:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-11-20 05:39:01,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-11-20 05:39:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-20 05:39:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-11-20 05:39:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-11-20 05:39:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-20 05:39:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-11-20 05:39:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-11-20 05:39:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-20 05:39:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-20 05:39:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-11-20 05:39:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-11-20 05:39:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 05:39:01,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 05:39:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2021-11-20 05:39:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2021-11-20 05:39:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-11-20 05:39:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-11-20 05:39:01,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 05:39:01,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 05:39:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:39:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:39:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-11-20 05:39:01,339 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-11-20 05:39:01,339 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-11-20 05:39:01,340 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-11-20 05:39:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-11-20 05:39:01,340 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-11-20 05:39:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-11-20 05:39:01,340 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-11-20 05:39:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-20 05:39:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-20 05:39:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-20 05:39:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-20 05:39:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 05:39:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 05:39:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-11-20 05:39:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-11-20 05:39:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-11-20 05:39:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-11-20 05:39:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-11-20 05:39:01,343 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-11-20 05:39:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 05:39:01,343 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 05:39:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-11-20 05:39:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-11-20 05:39:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-20 05:39:01,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-20 05:39:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-20 05:39:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-20 05:39:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-20 05:39:01,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-20 05:39:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-11-20 05:39:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-11-20 05:39:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 05:39:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-11-20 05:39:01,347 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-11-20 05:39:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 05:39:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 05:39:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 05:39:01,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 05:39:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-20 05:39:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-20 05:39:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-11-20 05:39:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-11-20 05:39:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-20 05:39:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-20 05:39:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 05:39:01,350 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 05:39:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 05:39:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 05:39:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-11-20 05:39:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-11-20 05:39:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-11-20 05:39:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-11-20 05:39:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:39:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 05:39:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 05:39:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-11-20 05:39:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-11-20 05:39:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-20 05:39:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-20 05:39:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-20 05:39:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-20 05:39:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-11-20 05:39:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-11-20 05:39:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 05:39:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 05:39:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 05:39:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 05:39:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 05:39:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 05:39:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-11-20 05:39:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-11-20 05:39:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-20 05:39:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-20 05:39:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-11-20 05:39:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-11-20 05:39:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 05:39:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 05:39:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 05:39:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-11-20 05:39:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-11-20 05:39:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 05:39:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 05:39:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-20 05:39:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-20 05:39:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 05:39:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 05:39:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-20 05:39:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-20 05:39:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:39:01,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 05:39:01,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 05:39:01,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:39:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-11-20 05:39:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-11-20 05:39:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-11-20 05:39:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-11-20 05:39:01,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 05:39:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 05:39:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-11-20 05:39:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-11-20 05:39:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 05:39:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 05:39:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 05:39:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 05:39:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-11-20 05:39:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-11-20 05:39:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-20 05:39:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-20 05:39:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-20 05:39:01,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-20 05:39:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 05:39:01,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 05:39:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 05:39:01,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 05:39:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-20 05:39:01,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-20 05:39:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 05:39:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 05:39:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 05:39:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 05:39:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 05:39:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 05:39:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 05:39:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 05:39:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-11-20 05:39:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-11-20 05:39:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-11-20 05:39:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-11-20 05:39:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:39:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-20 05:39:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-20 05:39:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-20 05:39:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-20 05:39:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-11-20 05:39:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-11-20 05:39:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:39:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 05:39:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 05:39:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 05:39:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 05:39:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:39:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-11-20 05:39:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-11-20 05:39:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 05:39:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-11-20 05:39:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-11-20 05:39:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-20 05:39:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-20 05:39:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:39:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:39:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-20 05:39:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-20 05:39:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-20 05:39:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-20 05:39:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-20 05:39:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-20 05:39:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-11-20 05:39:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-11-20 05:39:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-20 05:39:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-20 05:39:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-20 05:39:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-20 05:39:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-11-20 05:39:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-11-20 05:39:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 05:39:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 05:39:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-11-20 05:39:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-11-20 05:39:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 05:39:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 05:39:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 05:39:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 05:39:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-11-20 05:39:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-11-20 05:39:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-11-20 05:39:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-11-20 05:39:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 05:39:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 05:39:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-20 05:39:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-20 05:39:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:39:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:39:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-11-20 05:39:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-11-20 05:39:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 05:39:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 05:39:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-20 05:39:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-20 05:39:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 05:39:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 05:39:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-11-20 05:39:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-11-20 05:39:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-20 05:39:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-20 05:39:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 05:39:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 05:39:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-20 05:39:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-20 05:39:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-11-20 05:39:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-11-20 05:39:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-20 05:39:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-20 05:39:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 05:39:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 05:39:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:39:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:39:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-20 05:39:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-20 05:39:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-20 05:39:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-20 05:39:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 05:39:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 05:39:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-11-20 05:39:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-11-20 05:39:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-11-20 05:39:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-11-20 05:39:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-11-20 05:39:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-11-20 05:39:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-11-20 05:39:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-11-20 05:39:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-20 05:39:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-20 05:39:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-11-20 05:39:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-11-20 05:39:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:39:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:39:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-11-20 05:39:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-11-20 05:39:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 05:39:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 05:39:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-20 05:39:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-20 05:39:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 05:39:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 05:39:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-11-20 05:39:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-11-20 05:39:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 05:39:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 05:39:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:39:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 05:39:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 05:39:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-11-20 05:39:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-11-20 05:39:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-20 05:39:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-20 05:39:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:39:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-20 05:39:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-20 05:39:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-11-20 05:39:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-11-20 05:39:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-11-20 05:39:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-11-20 05:39:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-20 05:39:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-20 05:39:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-11-20 05:39:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-11-20 05:39:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-20 05:39:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-20 05:39:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:39:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 05:39:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 05:39:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-11-20 05:39:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-11-20 05:39:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-11-20 05:39:01,396 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-11-20 05:39:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 05:39:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 05:39:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 05:39:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 05:39:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-11-20 05:39:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-11-20 05:39:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-20 05:39:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-20 05:39:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 05:39:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 05:39:01,397 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-11-20 05:39:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-11-20 05:39:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-11-20 05:39:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-11-20 05:39:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 05:39:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 05:39:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-20 05:39:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-20 05:39:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-11-20 05:39:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-11-20 05:39:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-11-20 05:39:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-11-20 05:39:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 05:39:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 05:39:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-11-20 05:39:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-11-20 05:39:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-11-20 05:39:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-11-20 05:39:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 05:39:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 05:39:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 05:39:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 05:39:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-11-20 05:39:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-11-20 05:39:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-11-20 05:39:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-11-20 05:39:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-11-20 05:39:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-11-20 05:39:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 05:39:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 05:39:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-20 05:39:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-20 05:39:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:39:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:39:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-20 05:39:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-20 05:39:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-11-20 05:39:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-11-20 05:39:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:39:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-11-20 05:39:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-11-20 05:39:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-11-20 05:39:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-11-20 05:39:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-20 05:39:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-20 05:39:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-20 05:39:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-20 05:39:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:39:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:39:01,402 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-11-20 05:39:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-11-20 05:39:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-20 05:39:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-20 05:39:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-11-20 05:39:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-11-20 05:39:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 05:39:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 05:39:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 05:39:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 05:39:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-11-20 05:39:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-11-20 05:39:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 05:39:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 05:39:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-20 05:39:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-20 05:39:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 05:39:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 05:39:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-11-20 05:39:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-11-20 05:39:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-11-20 05:39:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-11-20 05:39:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 05:39:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 05:39:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-11-20 05:39:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-11-20 05:39:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-11-20 05:39:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-11-20 05:39:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-11-20 05:39:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-11-20 05:39:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-20 05:39:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-20 05:39:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-11-20 05:39:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-11-20 05:39:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:39:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-20 05:39:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-20 05:39:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-20 05:39:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-20 05:39:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-11-20 05:39:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-11-20 05:39:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 05:39:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 05:39:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-11-20 05:39:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-11-20 05:39:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-20 05:39:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-20 05:39:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-11-20 05:39:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-11-20 05:39:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-11-20 05:39:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-11-20 05:39:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-11-20 05:39:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-11-20 05:39:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-11-20 05:39:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-11-20 05:39:03,084 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:39:03,095 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:39:03,571 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:39:55,820 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:39:55,852 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:39:55,852 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-20 05:39:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:55 BoogieIcfgContainer [2021-11-20 05:39:55,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:39:55,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:39:55,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:39:55,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:39:55,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:38:49" (1/3) ... [2021-11-20 05:39:55,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3029ce05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:39:55, skipping insertion in model container [2021-11-20 05:39:55,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:38:59" (2/3) ... [2021-11-20 05:39:55,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3029ce05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:39:55, skipping insertion in model container [2021-11-20 05:39:55,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:39:55" (3/3) ... [2021-11-20 05:39:55,870 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-20 05:39:55,875 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:39:55,876 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:39:55,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:39:55,957 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:39:55,957 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:39:56,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 4459 states, 2940 states have (on average 1.3170068027210884) internal successors, (3872), 3105 states have internal predecessors, (3872), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) [2021-11-20 05:39:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-20 05:39:56,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:39:56,106 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:39:56,107 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:39:56,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:56,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1004962571, now seen corresponding path program 1 times [2021-11-20 05:39:56,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:56,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976021400] [2021-11-20 05:39:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:56,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:39:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:39:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:39:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:39:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:39:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:39:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:39:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:39:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:39:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:39:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:39:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:39:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:39:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:39:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:39:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:39:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:39:58,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:39:58,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976021400] [2021-11-20 05:39:58,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976021400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:39:58,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:39:58,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:39:58,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653050342] [2021-11-20 05:39:58,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:39:58,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:39:58,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:39:58,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:39:58,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:39:58,316 INFO L87 Difference]: Start difference. First operand has 4459 states, 2940 states have (on average 1.3170068027210884) internal successors, (3872), 3105 states have internal predecessors, (3872), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:40:01,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:12,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:15,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:19,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:40:33,119 INFO L93 Difference]: Finished difference Result 9221 states and 13854 transitions. [2021-11-20 05:40:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:40:33,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2021-11-20 05:40:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:40:33,214 INFO L225 Difference]: With dead ends: 9221 [2021-11-20 05:40:33,214 INFO L226 Difference]: Without dead ends: 4721 [2021-11-20 05:40:33,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:40:33,273 INFO L933 BasicCegarLoop]: 6236 mSDtfsCounter, 7019 mSDsluCounter, 6618 mSDsCounter, 0 mSdLazyCounter, 5218 mSolverCounterSat, 3630 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7940 SdHoareTripleChecker+Valid, 12854 SdHoareTripleChecker+Invalid, 8851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3630 IncrementalHoareTripleChecker+Valid, 5218 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-11-20 05:40:33,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7940 Valid, 12854 Invalid, 8851 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3630 Valid, 5218 Invalid, 3 Unknown, 0 Unchecked, 33.6s Time] [2021-11-20 05:40:33,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2021-11-20 05:40:33,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4512. [2021-11-20 05:40:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 2992 states have (on average 1.3081550802139037) internal successors, (3914), 3149 states have internal predecessors, (3914), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-11-20 05:40:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6538 transitions. [2021-11-20 05:40:33,750 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6538 transitions. Word has length 163 [2021-11-20 05:40:33,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:40:33,751 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 6538 transitions. [2021-11-20 05:40:33,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:40:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6538 transitions. [2021-11-20 05:40:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-20 05:40:33,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:40:33,758 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:40:33,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:40:33,758 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:40:33,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:40:33,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1009734701, now seen corresponding path program 1 times [2021-11-20 05:40:33,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:40:33,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474444624] [2021-11-20 05:40:33,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:40:33,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:40:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:40:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:40:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:40:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:40:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:40:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:40:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:40:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:40:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:40:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:40:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:40:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:40:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:40:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:40:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:40:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:40:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:40:35,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:40:35,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474444624] [2021-11-20 05:40:35,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474444624] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:40:35,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:40:35,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:40:35,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885110541] [2021-11-20 05:40:35,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:40:35,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:40:35,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:40:35,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:40:35,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:40:35,025 INFO L87 Difference]: Start difference. First operand 4512 states and 6538 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:40:38,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:49,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:52,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:56,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:11,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:11,429 INFO L93 Difference]: Finished difference Result 9192 states and 13552 transitions. [2021-11-20 05:41:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:41:11,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 164 [2021-11-20 05:41:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:11,492 INFO L225 Difference]: With dead ends: 9192 [2021-11-20 05:41:11,493 INFO L226 Difference]: Without dead ends: 4721 [2021-11-20 05:41:11,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:41:11,538 INFO L933 BasicCegarLoop]: 6106 mSDtfsCounter, 9200 mSDsluCounter, 6518 mSDsCounter, 0 mSdLazyCounter, 5194 mSolverCounterSat, 8758 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9233 SdHoareTripleChecker+Valid, 12624 SdHoareTripleChecker+Invalid, 13955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8758 IncrementalHoareTripleChecker+Valid, 5194 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:11,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9233 Valid, 12624 Invalid, 13955 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8758 Valid, 5194 Invalid, 3 Unknown, 0 Unchecked, 35.4s Time] [2021-11-20 05:41:11,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2021-11-20 05:41:11,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4512. [2021-11-20 05:41:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 2992 states have (on average 1.3078208556149733) internal successors, (3913), 3149 states have internal predecessors, (3913), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-11-20 05:41:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6537 transitions. [2021-11-20 05:41:11,906 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6537 transitions. Word has length 164 [2021-11-20 05:41:11,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:11,911 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 6537 transitions. [2021-11-20 05:41:11,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:41:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6537 transitions. [2021-11-20 05:41:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-20 05:41:11,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:11,916 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:11,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:41:11,917 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:11,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:11,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1272187335, now seen corresponding path program 1 times [2021-11-20 05:41:11,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:11,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916523760] [2021-11-20 05:41:11,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:11,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:41:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:41:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:41:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:41:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:41:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:41:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:41:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:41:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:41:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:41:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:41:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:41:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:41:13,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:13,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916523760] [2021-11-20 05:41:13,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916523760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:13,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:13,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:41:13,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326441836] [2021-11-20 05:41:13,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:13,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:41:13,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:13,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:41:13,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:41:13,402 INFO L87 Difference]: Start difference. First operand 4512 states and 6537 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:41:16,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:25,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:28,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:30,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:32,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:36,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:51,501 INFO L93 Difference]: Finished difference Result 9192 states and 13550 transitions. [2021-11-20 05:41:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:51,502 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 165 [2021-11-20 05:41:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:51,560 INFO L225 Difference]: With dead ends: 9192 [2021-11-20 05:41:51,561 INFO L226 Difference]: Without dead ends: 4721 [2021-11-20 05:41:51,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:41:51,605 INFO L933 BasicCegarLoop]: 6051 mSDtfsCounter, 9106 mSDsluCounter, 6365 mSDsCounter, 0 mSdLazyCounter, 4844 mSolverCounterSat, 8735 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9106 SdHoareTripleChecker+Valid, 12416 SdHoareTripleChecker+Invalid, 13583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8735 IncrementalHoareTripleChecker+Valid, 4844 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:51,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9106 Valid, 12416 Invalid, 13583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8735 Valid, 4844 Invalid, 4 Unknown, 0 Unchecked, 37.1s Time] [2021-11-20 05:41:51,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4721 states. [2021-11-20 05:41:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4721 to 4512. [2021-11-20 05:41:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 2992 states have (on average 1.3074866310160427) internal successors, (3912), 3149 states have internal predecessors, (3912), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-11-20 05:41:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6536 transitions. [2021-11-20 05:41:52,072 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6536 transitions. Word has length 165 [2021-11-20 05:41:52,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:52,074 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 6536 transitions. [2021-11-20 05:41:52,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:41:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6536 transitions. [2021-11-20 05:41:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-20 05:41:52,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:52,080 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:52,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:41:52,081 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:52,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:52,081 INFO L85 PathProgramCache]: Analyzing trace with hash 932801001, now seen corresponding path program 1 times [2021-11-20 05:41:52,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:52,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334033933] [2021-11-20 05:41:52,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:52,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:41:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:41:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:41:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:41:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:41:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:41:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:41:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:41:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:41:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:41:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:41:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:41:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:41:53,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:53,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334033933] [2021-11-20 05:41:53,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334033933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:53,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:53,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:41:53,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852299731] [2021-11-20 05:41:53,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:53,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:41:53,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:53,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:41:53,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:41:53,431 INFO L87 Difference]: Start difference. First operand 4512 states and 6536 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:41:56,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:58,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:07,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:14,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:16,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:22,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:30,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:31,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:37,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:39,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:57,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:00,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:10,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:13,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:43:15,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:16,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:44:16,775 INFO L93 Difference]: Finished difference Result 17920 states and 26850 transitions. [2021-11-20 05:44:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 05:44:16,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 166 [2021-11-20 05:44:16,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:44:16,940 INFO L225 Difference]: With dead ends: 17920 [2021-11-20 05:44:16,940 INFO L226 Difference]: Without dead ends: 13449 [2021-11-20 05:44:16,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-20 05:44:16,974 INFO L933 BasicCegarLoop]: 13096 mSDtfsCounter, 20046 mSDsluCounter, 20957 mSDsCounter, 0 mSdLazyCounter, 19927 mSolverCounterSat, 11313 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21790 SdHoareTripleChecker+Valid, 34053 SdHoareTripleChecker+Invalid, 31252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 11313 IncrementalHoareTripleChecker+Valid, 19927 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 140.7s IncrementalHoareTripleChecker+Time [2021-11-20 05:44:16,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21790 Valid, 34053 Invalid, 31252 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [11313 Valid, 19927 Invalid, 12 Unknown, 0 Unchecked, 140.7s Time] [2021-11-20 05:44:16,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13449 states. [2021-11-20 05:44:18,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13449 to 12927. [2021-11-20 05:44:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12927 states, 8581 states have (on average 1.3096375713786272) internal successors, (11238), 9047 states have internal predecessors, (11238), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:44:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12927 states to 12927 states and 19094 transitions. [2021-11-20 05:44:18,526 INFO L78 Accepts]: Start accepts. Automaton has 12927 states and 19094 transitions. Word has length 166 [2021-11-20 05:44:18,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:44:18,526 INFO L470 AbstractCegarLoop]: Abstraction has 12927 states and 19094 transitions. [2021-11-20 05:44:18,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:44:18,527 INFO L276 IsEmpty]: Start isEmpty. Operand 12927 states and 19094 transitions. [2021-11-20 05:44:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-20 05:44:18,531 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:44:18,531 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:44:18,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:44:18,531 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:44:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:44:18,532 INFO L85 PathProgramCache]: Analyzing trace with hash -883724157, now seen corresponding path program 1 times [2021-11-20 05:44:18,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:44:18,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085848954] [2021-11-20 05:44:18,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:44:18,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:44:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:44:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:44:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:44:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:44:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:44:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:44:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:44:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:44:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:44:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:44:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:44:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:44:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:44:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:44:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:44:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:44:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:44:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:44:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:44:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:44:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:44:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:44:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:44:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:44:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:44:19,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:44:19,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085848954] [2021-11-20 05:44:19,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085848954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:44:19,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:44:19,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:44:19,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986367395] [2021-11-20 05:44:19,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:44:19,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:44:19,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:44:19,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:44:19,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:44:19,781 INFO L87 Difference]: Start difference. First operand 12927 states and 19094 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:44:22,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:33,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:36,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:41,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:58,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:44:58,659 INFO L93 Difference]: Finished difference Result 26327 states and 39612 transitions. [2021-11-20 05:44:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:44:58,659 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2021-11-20 05:44:58,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:44:58,773 INFO L225 Difference]: With dead ends: 26327 [2021-11-20 05:44:58,773 INFO L226 Difference]: Without dead ends: 13441 [2021-11-20 05:44:58,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:44:58,877 INFO L933 BasicCegarLoop]: 6095 mSDtfsCounter, 9211 mSDsluCounter, 6519 mSDsCounter, 0 mSdLazyCounter, 5195 mSolverCounterSat, 8756 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9244 SdHoareTripleChecker+Valid, 12614 SdHoareTripleChecker+Invalid, 13955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8756 IncrementalHoareTripleChecker+Valid, 5195 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2021-11-20 05:44:58,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9244 Valid, 12614 Invalid, 13955 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8756 Valid, 5195 Invalid, 4 Unknown, 0 Unchecked, 37.3s Time] [2021-11-20 05:44:58,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13441 states. [2021-11-20 05:45:00,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13441 to 12927. [2021-11-20 05:45:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12927 states, 8581 states have (on average 1.3092879617760167) internal successors, (11235), 9047 states have internal predecessors, (11235), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:45:00,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12927 states to 12927 states and 19091 transitions. [2021-11-20 05:45:00,237 INFO L78 Accepts]: Start accepts. Automaton has 12927 states and 19091 transitions. Word has length 167 [2021-11-20 05:45:00,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:45:00,238 INFO L470 AbstractCegarLoop]: Abstraction has 12927 states and 19091 transitions. [2021-11-20 05:45:00,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:45:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 12927 states and 19091 transitions. [2021-11-20 05:45:00,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-20 05:45:00,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:45:00,243 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:00,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:45:00,244 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:45:00,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:00,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1246912603, now seen corresponding path program 1 times [2021-11-20 05:45:00,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:00,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018274631] [2021-11-20 05:45:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:00,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:45:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:45:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:45:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:45:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:45:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:45:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:45:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:45:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:45:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:45:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:45:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:45:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:45:01,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:01,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018274631] [2021-11-20 05:45:01,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018274631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:01,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:01,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:45:01,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360590345] [2021-11-20 05:45:01,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:01,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:45:01,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:01,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:45:01,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:45:01,835 INFO L87 Difference]: Start difference. First operand 12927 states and 19091 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:45:05,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:14,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:21,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:25,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:30,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:53,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:53,334 INFO L93 Difference]: Finished difference Result 26327 states and 39606 transitions. [2021-11-20 05:45:53,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:45:53,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2021-11-20 05:45:53,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:45:53,439 INFO L225 Difference]: With dead ends: 26327 [2021-11-20 05:45:53,440 INFO L226 Difference]: Without dead ends: 13441 [2021-11-20 05:45:53,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:45:53,523 INFO L933 BasicCegarLoop]: 6088 mSDtfsCounter, 8455 mSDsluCounter, 8987 mSDsCounter, 0 mSdLazyCounter, 6986 mSolverCounterSat, 7274 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8488 SdHoareTripleChecker+Valid, 15075 SdHoareTripleChecker+Invalid, 14265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7274 IncrementalHoareTripleChecker+Valid, 6986 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2021-11-20 05:45:53,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8488 Valid, 15075 Invalid, 14265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7274 Valid, 6986 Invalid, 5 Unknown, 0 Unchecked, 49.9s Time] [2021-11-20 05:45:53,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13441 states. [2021-11-20 05:45:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13441 to 12927. [2021-11-20 05:45:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12927 states, 8581 states have (on average 1.3089383521734064) internal successors, (11232), 9047 states have internal predecessors, (11232), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:45:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12927 states to 12927 states and 19088 transitions. [2021-11-20 05:45:54,890 INFO L78 Accepts]: Start accepts. Automaton has 12927 states and 19088 transitions. Word has length 168 [2021-11-20 05:45:54,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:45:54,891 INFO L470 AbstractCegarLoop]: Abstraction has 12927 states and 19088 transitions. [2021-11-20 05:45:54,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:45:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12927 states and 19088 transitions. [2021-11-20 05:45:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-20 05:45:54,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:45:54,896 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-20 05:45:54,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 05:45:54,897 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:45:54,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:54,898 INFO L85 PathProgramCache]: Analyzing trace with hash -939105593, now seen corresponding path program 1 times [2021-11-20 05:45:54,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:54,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922463358] [2021-11-20 05:45:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:54,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:45:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:45:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:45:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:45:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 05:45:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:45:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 05:45:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 05:45:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 05:45:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:45:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 05:45:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 05:45:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:45:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:45:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-20 05:45:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-20 05:45:56,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:56,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922463358] [2021-11-20 05:45:56,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922463358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:56,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:56,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:45:56,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970105473] [2021-11-20 05:45:56,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:56,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:45:56,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:56,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:45:56,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:45:56,082 INFO L87 Difference]: Start difference. First operand 12927 states and 19088 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:45:59,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:07,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:09,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:11,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:13,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:17,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:26,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:26,349 INFO L93 Difference]: Finished difference Result 21085 states and 31896 transitions. [2021-11-20 05:46:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:46:26,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2021-11-20 05:46:26,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:46:26,455 INFO L225 Difference]: With dead ends: 21085 [2021-11-20 05:46:26,455 INFO L226 Difference]: Without dead ends: 15499 [2021-11-20 05:46:26,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:46:26,490 INFO L933 BasicCegarLoop]: 7089 mSDtfsCounter, 2322 mSDsluCounter, 9221 mSDsCounter, 0 mSdLazyCounter, 2528 mSolverCounterSat, 2848 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2900 SdHoareTripleChecker+Valid, 16310 SdHoareTripleChecker+Invalid, 5380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2848 IncrementalHoareTripleChecker+Valid, 2528 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:46:26,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2900 Valid, 16310 Invalid, 5380 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2848 Valid, 2528 Invalid, 4 Unknown, 0 Unchecked, 29.2s Time] [2021-11-20 05:46:26,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15499 states. [2021-11-20 05:46:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15499 to 12928. [2021-11-20 05:46:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 8582 states have (on average 1.3089023537636915) internal successors, (11233), 9048 states have internal predecessors, (11233), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:46:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 19089 transitions. [2021-11-20 05:46:27,861 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 19089 transitions. Word has length 202 [2021-11-20 05:46:27,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:46:27,864 INFO L470 AbstractCegarLoop]: Abstraction has 12928 states and 19089 transitions. [2021-11-20 05:46:27,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:46:27,865 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 19089 transitions. [2021-11-20 05:46:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-20 05:46:27,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:46:27,877 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-20 05:46:27,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 05:46:27,877 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:46:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:27,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1095086135, now seen corresponding path program 1 times [2021-11-20 05:46:27,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:27,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125129989] [2021-11-20 05:46:27,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:27,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:46:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:46:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:46:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:46:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:46:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:46:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:46:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:46:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 05:46:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:46:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 05:46:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 05:46:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 05:46:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:46:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:46:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:46:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:46:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:46:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 05:46:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:46:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:46:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 05:46:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:46:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:46:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:46:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-20 05:46:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-20 05:46:29,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:29,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125129989] [2021-11-20 05:46:29,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125129989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:46:29,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:46:29,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:46:29,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379795393] [2021-11-20 05:46:29,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:46:29,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:46:29,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:29,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:46:29,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:46:29,356 INFO L87 Difference]: Start difference. First operand 12928 states and 19089 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:46:32,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:44,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:47,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:46:52,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:10,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:47:10,604 INFO L93 Difference]: Finished difference Result 26328 states and 39601 transitions. [2021-11-20 05:47:10,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:47:10,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2021-11-20 05:47:10,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:47:10,709 INFO L225 Difference]: With dead ends: 26328 [2021-11-20 05:47:10,709 INFO L226 Difference]: Without dead ends: 13442 [2021-11-20 05:47:10,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:47:10,800 INFO L933 BasicCegarLoop]: 6085 mSDtfsCounter, 9217 mSDsluCounter, 6576 mSDsCounter, 0 mSdLazyCounter, 5253 mSolverCounterSat, 8772 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9250 SdHoareTripleChecker+Valid, 12661 SdHoareTripleChecker+Invalid, 14029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8772 IncrementalHoareTripleChecker+Valid, 5253 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2021-11-20 05:47:10,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9250 Valid, 12661 Invalid, 14029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8772 Valid, 5253 Invalid, 4 Unknown, 0 Unchecked, 39.6s Time] [2021-11-20 05:47:10,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13442 states. [2021-11-20 05:47:12,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13442 to 12928. [2021-11-20 05:47:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 8582 states have (on average 1.308552784898625) internal successors, (11230), 9048 states have internal predecessors, (11230), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:47:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 19086 transitions. [2021-11-20 05:47:12,318 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 19086 transitions. Word has length 202 [2021-11-20 05:47:12,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:47:12,319 INFO L470 AbstractCegarLoop]: Abstraction has 12928 states and 19086 transitions. [2021-11-20 05:47:12,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:47:12,320 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 19086 transitions. [2021-11-20 05:47:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-20 05:47:12,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:47:12,324 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:47:12,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 05:47:12,325 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:47:12,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:47:12,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1268517535, now seen corresponding path program 1 times [2021-11-20 05:47:12,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:47:12,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488867087] [2021-11-20 05:47:12,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:47:12,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:47:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:47:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:47:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:47:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:47:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:47:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:47:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:47:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:47:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:47:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:47:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:47:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:47:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:47:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:47:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:47:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:47:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:47:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:47:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:47:13,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:47:13,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488867087] [2021-11-20 05:47:13,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488867087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:47:13,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:47:13,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:47:13,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75575253] [2021-11-20 05:47:13,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:47:13,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:47:13,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:47:13,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:47:13,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:47:13,485 INFO L87 Difference]: Start difference. First operand 12928 states and 19086 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:47:16,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:18,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:24,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:29,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:36,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:38,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:42,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:47,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:47:49,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:13,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:48:13,664 INFO L93 Difference]: Finished difference Result 26328 states and 39595 transitions. [2021-11-20 05:48:13,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:48:13,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2021-11-20 05:48:13,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:48:13,764 INFO L225 Difference]: With dead ends: 26328 [2021-11-20 05:48:13,764 INFO L226 Difference]: Without dead ends: 13442 [2021-11-20 05:48:13,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:48:13,852 INFO L933 BasicCegarLoop]: 6086 mSDtfsCounter, 8447 mSDsluCounter, 8994 mSDsCounter, 0 mSdLazyCounter, 6979 mSolverCounterSat, 7274 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8480 SdHoareTripleChecker+Valid, 15080 SdHoareTripleChecker+Invalid, 14260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7274 IncrementalHoareTripleChecker+Valid, 6979 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.3s IncrementalHoareTripleChecker+Time [2021-11-20 05:48:13,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8480 Valid, 15080 Invalid, 14260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7274 Valid, 6979 Invalid, 7 Unknown, 0 Unchecked, 58.3s Time] [2021-11-20 05:48:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13442 states. [2021-11-20 05:48:15,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13442 to 12928. [2021-11-20 05:48:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 8582 states have (on average 1.3082032160335586) internal successors, (11227), 9048 states have internal predecessors, (11227), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:48:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 19083 transitions. [2021-11-20 05:48:15,149 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 19083 transitions. Word has length 170 [2021-11-20 05:48:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:48:15,150 INFO L470 AbstractCegarLoop]: Abstraction has 12928 states and 19083 transitions. [2021-11-20 05:48:15,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:48:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 19083 transitions. [2021-11-20 05:48:15,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-20 05:48:15,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:48:15,156 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-20 05:48:15,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 05:48:15,156 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:48:15,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:48:15,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2022605819, now seen corresponding path program 1 times [2021-11-20 05:48:15,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:48:15,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939959153] [2021-11-20 05:48:15,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:48:15,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:48:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:48:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:48:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:48:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:48:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:48:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:48:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 05:48:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:48:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 05:48:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 05:48:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 05:48:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:48:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:48:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:48:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 05:48:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:48:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:48:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 05:48:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:48:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:48:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:48:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-20 05:48:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:48:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-20 05:48:16,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:48:16,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939959153] [2021-11-20 05:48:16,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939959153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:48:16,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:48:16,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:48:16,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734572383] [2021-11-20 05:48:16,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:48:16,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:48:16,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:48:16,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:48:16,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:48:16,716 INFO L87 Difference]: Start difference. First operand 12928 states and 19083 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:48:20,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:30,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:37,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:40,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:45,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:48:47,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:13,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:49:13,682 INFO L93 Difference]: Finished difference Result 26328 states and 39589 transitions. [2021-11-20 05:49:13,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:49:13,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 204 [2021-11-20 05:49:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:49:13,801 INFO L225 Difference]: With dead ends: 26328 [2021-11-20 05:49:13,802 INFO L226 Difference]: Without dead ends: 13442 [2021-11-20 05:49:13,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:49:13,986 INFO L933 BasicCegarLoop]: 6088 mSDtfsCounter, 8459 mSDsluCounter, 9058 mSDsCounter, 0 mSdLazyCounter, 7060 mSolverCounterSat, 7268 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8492 SdHoareTripleChecker+Valid, 15146 SdHoareTripleChecker+Invalid, 14332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7268 IncrementalHoareTripleChecker+Valid, 7060 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:49:13,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8492 Valid, 15146 Invalid, 14332 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7268 Valid, 7060 Invalid, 4 Unknown, 0 Unchecked, 55.1s Time] [2021-11-20 05:49:14,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13442 states. [2021-11-20 05:49:15,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13442 to 12928. [2021-11-20 05:49:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 8582 states have (on average 1.3078536471684923) internal successors, (11224), 9048 states have internal predecessors, (11224), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:49:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 19080 transitions. [2021-11-20 05:49:15,298 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 19080 transitions. Word has length 204 [2021-11-20 05:49:15,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:49:15,298 INFO L470 AbstractCegarLoop]: Abstraction has 12928 states and 19080 transitions. [2021-11-20 05:49:15,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:49:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 19080 transitions. [2021-11-20 05:49:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-20 05:49:15,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:49:15,304 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-20 05:49:15,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 05:49:15,305 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:49:15,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:15,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1734439341, now seen corresponding path program 1 times [2021-11-20 05:49:15,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:15,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023416826] [2021-11-20 05:49:15,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:15,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:49:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:49:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:49:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:49:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:49:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:49:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:49:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:49:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 05:49:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:49:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 05:49:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 05:49:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 05:49:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:49:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:49:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:49:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:49:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:49:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 05:49:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:49:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:49:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 05:49:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:49:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:49:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:49:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-20 05:49:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:49:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-20 05:49:16,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:49:16,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023416826] [2021-11-20 05:49:16,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023416826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:49:16,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:49:16,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:49:16,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377657455] [2021-11-20 05:49:16,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:49:16,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:49:16,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:49:16,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:49:16,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:49:16,551 INFO L87 Difference]: Start difference. First operand 12928 states and 19080 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:49:19,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:31,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:35,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:37,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:39,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:49:42,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:00,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:50:00,974 INFO L93 Difference]: Finished difference Result 26328 states and 39583 transitions. [2021-11-20 05:50:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:50:00,975 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 205 [2021-11-20 05:50:00,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:50:01,075 INFO L225 Difference]: With dead ends: 26328 [2021-11-20 05:50:01,076 INFO L226 Difference]: Without dead ends: 13442 [2021-11-20 05:50:01,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:50:01,162 INFO L933 BasicCegarLoop]: 6052 mSDtfsCounter, 9091 mSDsluCounter, 6371 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 8723 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9091 SdHoareTripleChecker+Valid, 12423 SdHoareTripleChecker+Invalid, 13573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8723 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.5s IncrementalHoareTripleChecker+Time [2021-11-20 05:50:01,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9091 Valid, 12423 Invalid, 13573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8723 Valid, 4846 Invalid, 4 Unknown, 0 Unchecked, 42.5s Time] [2021-11-20 05:50:01,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13442 states. [2021-11-20 05:50:02,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13442 to 12928. [2021-11-20 05:50:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 8582 states have (on average 1.3075040783034257) internal successors, (11221), 9048 states have internal predecessors, (11221), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:50:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 19077 transitions. [2021-11-20 05:50:02,325 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 19077 transitions. Word has length 205 [2021-11-20 05:50:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:50:02,326 INFO L470 AbstractCegarLoop]: Abstraction has 12928 states and 19077 transitions. [2021-11-20 05:50:02,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:50:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 19077 transitions. [2021-11-20 05:50:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-20 05:50:02,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:50:02,330 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-11-20 05:50:02,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 05:50:02,331 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:50:02,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:02,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1276696511, now seen corresponding path program 1 times [2021-11-20 05:50:02,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:02,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573264790] [2021-11-20 05:50:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:02,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:50:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:50:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:50:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:50:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:50:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:50:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 05:50:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 05:50:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 05:50:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 05:50:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 05:50:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:50:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 05:50:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:50:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 05:50:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:50:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 05:50:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:50:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:50:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-20 05:50:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-11-20 05:50:03,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:50:03,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573264790] [2021-11-20 05:50:03,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573264790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:50:03,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:50:03,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:50:03,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499642394] [2021-11-20 05:50:03,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:50:03,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:50:03,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:50:03,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:50:03,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:50:03,481 INFO L87 Difference]: Start difference. First operand 12928 states and 19077 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:50:06,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:18,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:22,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:26,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:47,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:50:47,207 INFO L93 Difference]: Finished difference Result 26328 states and 39577 transitions. [2021-11-20 05:50:47,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:50:47,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 206 [2021-11-20 05:50:47,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:50:47,311 INFO L225 Difference]: With dead ends: 26328 [2021-11-20 05:50:47,311 INFO L226 Difference]: Without dead ends: 13442 [2021-11-20 05:50:47,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:50:47,396 INFO L933 BasicCegarLoop]: 6084 mSDtfsCounter, 9197 mSDsluCounter, 6518 mSDsCounter, 0 mSdLazyCounter, 5184 mSolverCounterSat, 8764 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9230 SdHoareTripleChecker+Valid, 12602 SdHoareTripleChecker+Invalid, 13951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8764 IncrementalHoareTripleChecker+Valid, 5184 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:50:47,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9230 Valid, 12602 Invalid, 13951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8764 Valid, 5184 Invalid, 3 Unknown, 0 Unchecked, 41.8s Time] [2021-11-20 05:50:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13442 states. [2021-11-20 05:50:48,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13442 to 12928. [2021-11-20 05:50:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 8582 states have (on average 1.3071545094383594) internal successors, (11218), 9048 states have internal predecessors, (11218), 3764 states have call successors, (3764), 575 states have call predecessors, (3764), 581 states have return successors, (4092), 3571 states have call predecessors, (4092), 3764 states have call successors, (4092) [2021-11-20 05:50:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 19074 transitions. [2021-11-20 05:50:48,753 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 19074 transitions. Word has length 206 [2021-11-20 05:50:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:50:48,754 INFO L470 AbstractCegarLoop]: Abstraction has 12928 states and 19074 transitions. [2021-11-20 05:50:48,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 05:50:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 19074 transitions. [2021-11-20 05:50:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-20 05:50:48,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:50:48,759 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:50:48,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 05:50:48,760 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:50:48,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:50:48,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1785265959, now seen corresponding path program 1 times [2021-11-20 05:50:48,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:50:48,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026576147] [2021-11-20 05:50:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:50:48,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:50:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:50:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:50:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:50:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:50:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:50:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:50:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 05:50:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 05:50:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-20 05:50:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 05:50:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-20 05:50:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 05:50:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:50:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:50:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 05:50:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:50:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:50:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 05:50:49,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:50:49,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026576147] [2021-11-20 05:50:49,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026576147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:50:49,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:50:49,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 05:50:49,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172179706] [2021-11-20 05:50:49,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:50:49,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 05:50:49,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:50:49,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 05:50:49,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 05:50:49,954 INFO L87 Difference]: Start difference. First operand 12928 states and 19074 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 05:50:53,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:50:55,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:51:06,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []