./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y --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 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:34:18,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:34:18,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:34:18,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:34:18,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:34:18,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:34:18,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:34:18,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:34:18,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:34:18,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:34:18,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:34:18,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:34:18,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:34:18,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:34:18,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:34:18,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:34:18,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:34:18,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:34:18,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:34:18,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:34:18,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:34:18,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:34:18,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:34:18,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:34:18,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:34:18,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:34:18,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:34:18,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:34:18,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:34:18,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:34:18,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:34:18,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:34:18,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:34:18,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:34:18,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:34:18,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:34:18,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:34:18,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:34:18,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:34:18,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:34:18,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:34:18,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 17:34:18,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:34:18,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:34:18,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:34:18,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:34:18,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:34:18,392 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:34:18,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:34:18,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:34:18,394 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:34:18,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:34:18,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:34:18,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:34:18,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:34:18,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:34:18,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:34:18,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:34:18,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:34:18,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:34:18,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:34:18,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:34:18,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:34:18,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:34:18,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:34:18,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:34:18,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:34:18,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:34:18,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:34:18,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:34:18,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:34:18,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:34:18,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:34:18,401 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_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2021-11-13 17:34:18,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:34:18,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:34:18,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:34:18,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:34:18,758 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:34:18,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 17:34:18,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/data/f9293ae9f/a0e40d6300234a79b03855d56b49bb4d/FLAG9c6338408 [2021-11-13 17:34:19,893 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:34:19,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 17:34:19,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/data/f9293ae9f/a0e40d6300234a79b03855d56b49bb4d/FLAG9c6338408 [2021-11-13 17:34:20,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/data/f9293ae9f/a0e40d6300234a79b03855d56b49bb4d [2021-11-13 17:34:20,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:34:20,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:34:20,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:34:20,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:34:20,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:34:20,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:34:20" (1/1) ... [2021-11-13 17:34:20,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5ebedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:20, skipping insertion in model container [2021-11-13 17:34:20,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:34:20" (1/1) ... [2021-11-13 17:34:20,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:34:20,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:34:25,436 WARN L228 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_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-13 17:34:25,440 WARN L228 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_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-13 17:34:25,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:34:25,575 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:34:26,256 WARN L228 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_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-13 17:34:26,256 WARN L228 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_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-13 17:34:26,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:34:26,539 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:34:26,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26 WrapperNode [2021-11-13 17:34:26,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:34:26,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:34:26,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:34:26,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:34:26,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:26,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:34:27,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:34:27,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:34:27,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:34:27,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:34:27,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:34:27,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:34:27,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:34:27,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (1/1) ... [2021-11-13 17:34:27,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:34:27,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:34:27,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:34:27,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8044aa-8e35-4e79-a9fe-a8bb130cb447/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:34:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-13 17:34:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-13 17:34:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2021-11-13 17:34:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2021-11-13 17:34:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:34:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:34:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 17:34:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 17:34:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:34:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:34:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-13 17:34:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-13 17:34:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-13 17:34:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-13 17:34:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-13 17:34:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-13 17:34:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-13 17:34:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-13 17:34:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-13 17:34:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-13 17:34:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-13 17:34:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-13 17:34:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-13 17:34:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-13 17:34:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 17:34:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 17:34:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-13 17:34:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-13 17:34:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 17:34:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 17:34:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-13 17:34:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-13 17:34:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-13 17:34:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-13 17:34:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-13 17:34:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-13 17:34:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-13 17:34:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-13 17:34:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-13 17:34:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-13 17:34:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-13 17:34:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-13 17:34:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 17:34:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 17:34:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-13 17:34:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-13 17:34:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-13 17:34:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-13 17:34:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 17:34:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 17:34:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 17:34:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 17:34:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-13 17:34:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-13 17:34:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-13 17:34:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:34:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-13 17:34:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-13 17:34:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-13 17:34:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-13 17:34:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-13 17:34:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-13 17:34:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-13 17:34:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-13 17:34:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 17:34:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 17:34:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 17:34:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-13 17:34:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-13 17:34:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-13 17:34:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-13 17:34:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-13 17:34:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-13 17:34:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 17:34:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 17:34:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 17:34:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 17:34:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-13 17:34:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-13 17:34:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 17:34:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 17:34:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 17:34:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:34:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 17:34:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 17:34:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:34:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:34:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 17:34:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 17:34:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 17:34:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 17:34:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-13 17:34:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-13 17:34:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 17:34:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 17:34:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 17:34:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 17:34:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-13 17:34:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-13 17:34:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 17:34:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 17:34:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-13 17:34:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-13 17:34:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-13 17:34:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-13 17:34:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-13 17:34:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-13 17:34:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-13 17:34:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-13 17:34:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:34:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 17:34:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 17:34:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 17:34:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 17:34:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-13 17:34:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-13 17:34:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-13 17:34:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-13 17:34:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 17:34:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 17:34:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 17:34:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 17:34:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:34:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:34:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:34:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-13 17:34:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-13 17:34:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-13 17:34:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-13 17:34:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:34:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 17:34:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 17:34:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 17:34:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 17:34:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 17:34:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-13 17:34:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-13 17:34:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-13 17:34:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-13 17:34:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-13 17:34:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-13 17:34:27,929 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-13 17:34:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-13 17:34:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-13 17:34:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-13 17:34:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 17:34:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 17:34:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-13 17:34:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-13 17:34:27,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 17:34:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 17:34:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-13 17:34:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-13 17:34:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-13 17:34:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-13 17:34:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-13 17:34:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-13 17:34:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:34:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:34:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-13 17:34:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-13 17:34:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-13 17:34:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-13 17:34:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-13 17:34:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-13 17:34:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:34:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:34:27,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 17:34:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 17:34:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-13 17:34:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-13 17:34:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 17:34:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 17:34:27,934 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-13 17:34:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-13 17:34:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-13 17:34:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-13 17:34:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 17:34:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 17:34:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-13 17:34:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-13 17:34:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-13 17:34:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-13 17:34:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-13 17:34:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-13 17:34:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-13 17:34:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-13 17:34:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-13 17:34:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-13 17:34:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:34:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:34:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-13 17:34:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-13 17:34:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 17:34:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 17:34:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-13 17:34:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-13 17:34:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-13 17:34:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-13 17:34:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-13 17:34:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-13 17:34:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-13 17:34:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-13 17:34:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-13 17:34:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-13 17:34:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-11-13 17:34:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-11-13 17:34:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:34:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-13 17:34:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-13 17:34:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-13 17:34:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-13 17:34:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-13 17:34:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-13 17:34:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-13 17:34:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-13 17:34:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:34:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-13 17:34:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-13 17:34:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-13 17:34:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-13 17:34:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-13 17:34:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-13 17:34:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:34:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-13 17:34:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-13 17:34:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-13 17:34:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-13 17:34:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 17:34:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 17:34:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-13 17:34:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-13 17:34:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-13 17:34:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-13 17:34:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-13 17:34:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-13 17:34:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 17:34:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 17:34:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-13 17:34:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-13 17:34:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 17:34:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 17:34:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-13 17:34:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-13 17:34:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 17:34:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 17:34:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-13 17:34:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-13 17:34:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-13 17:34:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-13 17:34:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-13 17:34:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-13 17:34:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-13 17:34:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-13 17:34:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-13 17:34:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-13 17:34:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 17:34:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 17:34:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 17:34:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 17:34:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 17:34:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 17:34:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-13 17:34:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-13 17:34:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 17:34:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 17:34:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-11-13 17:34:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-11-13 17:34:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:34:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-13 17:34:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-13 17:34:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 17:34:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 17:34:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-13 17:34:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-13 17:34:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 17:34:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 17:34:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-13 17:34:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-13 17:34:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-13 17:34:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-13 17:34:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-11-13 17:34:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-11-13 17:34:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-13 17:34:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-13 17:34:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-13 17:34:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-13 17:34:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-13 17:34:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-13 17:34:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-13 17:34:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-13 17:34:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 17:34:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 17:34:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-13 17:34:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-13 17:34:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-13 17:34:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-13 17:34:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-13 17:34:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-13 17:34:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-13 17:34:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-13 17:34:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-13 17:34:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-13 17:34:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-13 17:34:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-13 17:34:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-13 17:34:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-13 17:34:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-13 17:34:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-13 17:34:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-11-13 17:34:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-11-13 17:34:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-13 17:34:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-13 17:34:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-13 17:34:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-13 17:34:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-13 17:34:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-13 17:34:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-13 17:34:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-13 17:34:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:34:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 17:34:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 17:34:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-13 17:34:30,002 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 17:35:36,256 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 17:35:36,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:35:36,757 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-13 17:35:36,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:35:36 BoogieIcfgContainer [2021-11-13 17:35:36,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:35:36,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:35:36,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:35:36,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:35:36,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:34:20" (1/3) ... [2021-11-13 17:35:36,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5155c98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:35:36, skipping insertion in model container [2021-11-13 17:35:36,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:34:26" (2/3) ... [2021-11-13 17:35:36,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5155c98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:35:36, skipping insertion in model container [2021-11-13 17:35:36,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:35:36" (3/3) ... [2021-11-13 17:35:36,777 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 17:35:36,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:35:36,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:35:36,867 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:35:36,875 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 [2021-11-13 17:35:36,875 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:35:37,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) [2021-11-13 17:35:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-13 17:35:37,075 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:35:37,076 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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] [2021-11-13 17:35:37,076 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:35:37,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:35:37,082 INFO L85 PathProgramCache]: Analyzing trace with hash 16642567, now seen corresponding path program 1 times [2021-11-13 17:35:37,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:35:37,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155448912] [2021-11-13 17:35:37,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:35:37,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:35:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:35:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:35:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:35:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:35:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:35:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:35:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:35:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:35:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:35:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:35:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:35:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:35:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:35:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:35:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:35:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:35:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 17:35:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-13 17:35:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-13 17:35:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 17:35:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:35:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-11-13 17:35:38,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:35:38,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155448912] [2021-11-13 17:35:38,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155448912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:35:38,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:35:38,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:35:38,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458114845] [2021-11-13 17:35:38,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:35:38,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:35:38,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:38,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:35:38,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:35:38,935 INFO L87 Difference]: Start difference. First operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 17:35:41,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:35:43,225 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 [] [2021-11-13 17:35:59,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:35:59,507 INFO L93 Difference]: Finished difference Result 11269 states and 16889 transitions. [2021-11-13 17:35:59,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:35:59,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2021-11-13 17:35:59,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:35:59,629 INFO L225 Difference]: With dead ends: 11269 [2021-11-13 17:35:59,629 INFO L226 Difference]: Without dead ends: 7275 [2021-11-13 17:35:59,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:35:59,694 INFO L933 BasicCegarLoop]: 5285 mSDtfsCounter, 8079 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 4295 mSolverCounterSat, 3701 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16937.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8843 SdHoareTripleChecker+Valid, 10110 SdHoareTripleChecker+Invalid, 7998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 161.57ms SdHoareTripleChecker+Time, 3701 IncrementalHoareTripleChecker+Valid, 4295 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19459.64ms IncrementalHoareTripleChecker+Time [2021-11-13 17:35:59,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8843 Valid, 10110 Invalid, 7998 Unknown, 0 Unchecked, 161.57ms Time], IncrementalHoareTripleChecker [3701 Valid, 4295 Invalid, 2 Unknown, 0 Unchecked, 19459.64ms Time] [2021-11-13 17:35:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7275 states. [2021-11-13 17:36:00,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7275 to 6936. [2021-11-13 17:36:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6936 states, 4938 states have (on average 1.3529769137302552) internal successors, (6681), 5017 states have internal predecessors, (6681), 1720 states have call successors, (1720), 277 states have call predecessors, (1720), 277 states have return successors, (1720), 1694 states have call predecessors, (1720), 1720 states have call successors, (1720) [2021-11-13 17:36:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2021-11-13 17:36:00,566 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2021-11-13 17:36:00,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:36:00,573 INFO L470 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2021-11-13 17:36:00,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 17:36:00,574 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2021-11-13 17:36:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-13 17:36:00,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:36:00,622 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:36:00,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:36:00,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:36:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:36:00,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1934207379, now seen corresponding path program 1 times [2021-11-13 17:36:00,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:36:00,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091706089] [2021-11-13 17:36:00,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:36:00,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:36:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:36:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:36:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:36:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:36:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:36:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:36:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:36:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:36:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:36:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:36:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:36:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:36:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:36:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:36:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:36:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 17:36:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-13 17:36:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:36:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-13 17:36:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 17:36:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-13 17:36:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-13 17:36:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-13 17:36:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-11-13 17:36:01,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:36:01,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091706089] [2021-11-13 17:36:01,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091706089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:36:01,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:36:01,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:36:01,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421766768] [2021-11-13 17:36:01,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:36:01,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:36:01,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:36:01,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:36:01,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:36:01,664 INFO L87 Difference]: Start difference. First operand 6936 states and 10121 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:36:03,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:05,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:23,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:36:23,693 INFO L93 Difference]: Finished difference Result 21324 states and 31129 transitions. [2021-11-13 17:36:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:36:23,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 264 [2021-11-13 17:36:23,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:36:23,889 INFO L225 Difference]: With dead ends: 21324 [2021-11-13 17:36:23,890 INFO L226 Difference]: Without dead ends: 14423 [2021-11-13 17:36:23,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:36:23,979 INFO L933 BasicCegarLoop]: 5310 mSDtfsCounter, 9128 mSDsluCounter, 4804 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 3933 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18238.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9977 SdHoareTripleChecker+Valid, 10114 SdHoareTripleChecker+Invalid, 8294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 122.80ms SdHoareTripleChecker+Time, 3933 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21022.87ms IncrementalHoareTripleChecker+Time [2021-11-13 17:36:23,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9977 Valid, 10114 Invalid, 8294 Unknown, 0 Unchecked, 122.80ms Time], IncrementalHoareTripleChecker [3933 Valid, 4359 Invalid, 2 Unknown, 0 Unchecked, 21022.87ms Time] [2021-11-13 17:36:24,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14423 states. [2021-11-13 17:36:24,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14423 to 13894. [2021-11-13 17:36:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13894 states, 9908 states have (on average 1.350222042793702) internal successors, (13378), 10019 states have internal predecessors, (13378), 3412 states have call successors, (3412), 554 states have call predecessors, (3412), 573 states have return successors, (3490), 3426 states have call predecessors, (3490), 3412 states have call successors, (3490) [2021-11-13 17:36:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 20280 transitions. [2021-11-13 17:36:25,010 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 20280 transitions. Word has length 264 [2021-11-13 17:36:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:36:25,012 INFO L470 AbstractCegarLoop]: Abstraction has 13894 states and 20280 transitions. [2021-11-13 17:36:25,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:36:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 20280 transitions. [2021-11-13 17:36:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-13 17:36:25,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:36:25,046 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:36:25,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:36:25,047 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:36:25,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:36:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1759180812, now seen corresponding path program 1 times [2021-11-13 17:36:25,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:36:25,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105383428] [2021-11-13 17:36:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:36:25,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:36:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:36:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:36:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:36:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:36:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:36:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:36:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:36:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:36:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:36:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:36:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:36:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:36:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:36:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:36:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:36:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 17:36:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-13 17:36:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:36:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 17:36:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-13 17:36:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-13 17:36:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-13 17:36:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-13 17:36:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-11-13 17:36:26,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:36:26,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105383428] [2021-11-13 17:36:26,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105383428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:36:26,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:36:26,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:36:26,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429347839] [2021-11-13 17:36:26,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:36:26,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:36:26,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:36:26,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:36:26,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:36:26,171 INFO L87 Difference]: Start difference. First operand 13894 states and 20280 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:36:28,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:30,394 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 [] [2021-11-13 17:36:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:36:47,350 INFO L93 Difference]: Finished difference Result 42490 states and 62017 transitions. [2021-11-13 17:36:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:36:47,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 267 [2021-11-13 17:36:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:36:47,642 INFO L225 Difference]: With dead ends: 42490 [2021-11-13 17:36:47,643 INFO L226 Difference]: Without dead ends: 28631 [2021-11-13 17:36:47,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:36:47,769 INFO L933 BasicCegarLoop]: 5307 mSDtfsCounter, 9129 mSDsluCounter, 4803 mSDsCounter, 0 mSdLazyCounter, 4357 mSolverCounterSat, 3935 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17273.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9979 SdHoareTripleChecker+Valid, 10110 SdHoareTripleChecker+Invalid, 8294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 82.78ms SdHoareTripleChecker+Time, 3935 IncrementalHoareTripleChecker+Valid, 4357 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20130.08ms IncrementalHoareTripleChecker+Time [2021-11-13 17:36:47,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9979 Valid, 10110 Invalid, 8294 Unknown, 0 Unchecked, 82.78ms Time], IncrementalHoareTripleChecker [3935 Valid, 4357 Invalid, 2 Unknown, 0 Unchecked, 20130.08ms Time] [2021-11-13 17:36:47,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28631 states. [2021-11-13 17:36:49,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28631 to 27722. [2021-11-13 17:36:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27722 states, 19780 states have (on average 1.3488372093023255) internal successors, (26680), 19955 states have internal predecessors, (26680), 6776 states have call successors, (6776), 1108 states have call predecessors, (6776), 1165 states have return successors, (7012), 6870 states have call predecessors, (7012), 6776 states have call successors, (7012) [2021-11-13 17:36:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27722 states to 27722 states and 40468 transitions. [2021-11-13 17:36:49,888 INFO L78 Accepts]: Start accepts. Automaton has 27722 states and 40468 transitions. Word has length 267 [2021-11-13 17:36:49,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:36:49,889 INFO L470 AbstractCegarLoop]: Abstraction has 27722 states and 40468 transitions. [2021-11-13 17:36:49,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:36:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 27722 states and 40468 transitions. [2021-11-13 17:36:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-13 17:36:49,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:36:49,920 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:36:49,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:36:49,920 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:36:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:36:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash 500623783, now seen corresponding path program 1 times [2021-11-13 17:36:49,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:36:49,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695766482] [2021-11-13 17:36:49,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:36:49,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:36:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:36:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:36:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:36:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:36:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:36:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:36:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:36:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:36:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:36:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:36:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:36:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:36:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:36:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:36:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:36:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:36:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 17:36:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-13 17:36:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 17:36:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-13 17:36:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 17:36:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-13 17:36:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-13 17:36:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-13 17:36:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:36:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-11-13 17:36:50,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:36:50,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695766482] [2021-11-13 17:36:50,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695766482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:36:50,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:36:50,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:36:50,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753128174] [2021-11-13 17:36:50,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:36:50,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:36:50,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:36:50,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:36:50,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:36:50,801 INFO L87 Difference]: Start difference. First operand 27722 states and 40468 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:36:52,896 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 [] [2021-11-13 17:36:55,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:36:57,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:37:35,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:37:35,110 INFO L93 Difference]: Finished difference Result 108536 states and 158220 transitions. [2021-11-13 17:37:35,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:37:35,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 264 [2021-11-13 17:37:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:37:35,802 INFO L225 Difference]: With dead ends: 108536 [2021-11-13 17:37:35,802 INFO L226 Difference]: Without dead ends: 80849 [2021-11-13 17:37:36,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:37:36,375 INFO L933 BasicCegarLoop]: 5392 mSDtfsCounter, 19272 mSDsluCounter, 8970 mSDsCounter, 0 mSdLazyCounter, 13462 mSolverCounterSat, 8921 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34937.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20427 SdHoareTripleChecker+Valid, 14362 SdHoareTripleChecker+Invalid, 22386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 178.20ms SdHoareTripleChecker+Time, 8921 IncrementalHoareTripleChecker+Valid, 13462 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41315.71ms IncrementalHoareTripleChecker+Time [2021-11-13 17:37:36,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20427 Valid, 14362 Invalid, 22386 Unknown, 0 Unchecked, 178.20ms Time], IncrementalHoareTripleChecker [8921 Valid, 13462 Invalid, 3 Unknown, 0 Unchecked, 41315.71ms Time] [2021-11-13 17:37:36,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80849 states. [2021-11-13 17:37:40,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80849 to 78513. [2021-11-13 17:37:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78513 states, 56065 states have (on average 1.3474181753322036) internal successors, (75543), 56497 states have internal predecessors, (75543), 19067 states have call successors, (19067), 3190 states have call predecessors, (19067), 3380 states have return successors, (19868), 19431 states have call predecessors, (19868), 19067 states have call successors, (19868) [2021-11-13 17:37:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78513 states to 78513 states and 114478 transitions. [2021-11-13 17:37:42,373 INFO L78 Accepts]: Start accepts. Automaton has 78513 states and 114478 transitions. Word has length 264 [2021-11-13 17:37:42,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:37:42,375 INFO L470 AbstractCegarLoop]: Abstraction has 78513 states and 114478 transitions. [2021-11-13 17:37:42,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-13 17:37:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 78513 states and 114478 transitions. [2021-11-13 17:37:42,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-13 17:37:42,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:37:42,390 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:37:42,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:37:42,390 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:37:42,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:37:42,391 INFO L85 PathProgramCache]: Analyzing trace with hash -470431932, now seen corresponding path program 1 times [2021-11-13 17:37:42,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:37:42,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194404536] [2021-11-13 17:37:42,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:37:42,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:37:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:37:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:42,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:37:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:42,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:37:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:37:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:37:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:37:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:37:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:37:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:37:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:37:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:37:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:37:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:37:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:37:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:37:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:37:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 17:37:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 17:37:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-13 17:37:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-13 17:37:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 17:37:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-13 17:37:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-13 17:37:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-13 17:37:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 17:37:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-13 17:37:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-13 17:37:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-13 17:37:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-13 17:37:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-13 17:37:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:37:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-11-13 17:37:43,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:37:43,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194404536] [2021-11-13 17:37:43,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194404536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:37:43,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:37:43,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:37:43,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333516360] [2021-11-13 17:37:43,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:37:43,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:37:43,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:37:43,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:37:43,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:37:43,609 INFO L87 Difference]: Start difference. First operand 78513 states and 114478 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-13 17:37:45,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:37:47,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:37:50,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:38:18,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:38:18,233 INFO L93 Difference]: Finished difference Result 252615 states and 374723 transitions. [2021-11-13 17:38:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:38:18,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 269 [2021-11-13 17:38:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:38:20,206 INFO L225 Difference]: With dead ends: 252615 [2021-11-13 17:38:20,206 INFO L226 Difference]: Without dead ends: 174137 [2021-11-13 17:38:20,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:38:20,682 INFO L933 BasicCegarLoop]: 5276 mSDtfsCounter, 14681 mSDsluCounter, 6437 mSDsCounter, 0 mSdLazyCounter, 5747 mSolverCounterSat, 8472 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23879.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14993 SdHoareTripleChecker+Valid, 11713 SdHoareTripleChecker+Invalid, 14222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 112.33ms SdHoareTripleChecker+Time, 8472 IncrementalHoareTripleChecker+Valid, 5747 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28460.97ms IncrementalHoareTripleChecker+Time [2021-11-13 17:38:20,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14993 Valid, 11713 Invalid, 14222 Unknown, 0 Unchecked, 112.33ms Time], IncrementalHoareTripleChecker [8472 Valid, 5747 Invalid, 3 Unknown, 0 Unchecked, 28460.97ms Time] [2021-11-13 17:38:20,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174137 states. [2021-11-13 17:38:28,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174137 to 159307. [2021-11-13 17:38:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159307 states, 114085 states have (on average 1.334592628303458) internal successors, (152257), 113165 states have internal predecessors, (152257), 37749 states have call successors, (37749), 6346 states have call predecessors, (37749), 7472 states have return successors, (46231), 40985 states have call predecessors, (46231), 37749 states have call successors, (46231) [2021-11-13 17:38:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159307 states to 159307 states and 236237 transitions. [2021-11-13 17:38:31,005 INFO L78 Accepts]: Start accepts. Automaton has 159307 states and 236237 transitions. Word has length 269 [2021-11-13 17:38:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:38:31,006 INFO L470 AbstractCegarLoop]: Abstraction has 159307 states and 236237 transitions. [2021-11-13 17:38:31,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 4 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-13 17:38:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 159307 states and 236237 transitions. [2021-11-13 17:38:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-13 17:38:31,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:38:31,025 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:38:31,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:38:31,026 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:38:31,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:38:31,027 INFO L85 PathProgramCache]: Analyzing trace with hash -653193449, now seen corresponding path program 1 times [2021-11-13 17:38:31,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:38:31,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477624889] [2021-11-13 17:38:31,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:38:31,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:38:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:38:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:38:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 17:38:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:38:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 17:38:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 17:38:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 17:38:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:38:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 17:38:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 17:38:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 17:38:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 17:38:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 17:38:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 17:38:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 17:38:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 17:38:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-13 17:38:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-13 17:38:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-13 17:38:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-13 17:38:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-13 17:38:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 17:38:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 17:38:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-13 17:38:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-13 17:38:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-13 17:38:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-13 17:38:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:38:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2021-11-13 17:38:31,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:38:31,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477624889] [2021-11-13 17:38:31,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477624889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:38:31,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:38:31,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 17:38:31,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649516431] [2021-11-13 17:38:31,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:38:31,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 17:38:31,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:38:31,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 17:38:31,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 17:38:31,945 INFO L87 Difference]: Start difference. First operand 159307 states and 236237 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-13 17:38:34,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 17:38:36,276 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 [] [2021-11-13 17:39:03,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:39:03,521 INFO L93 Difference]: Finished difference Result 393445 states and 584022 transitions. [2021-11-13 17:39:03,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:39:03,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 284 [2021-11-13 17:39:03,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:39:05,605 INFO L225 Difference]: With dead ends: 393445 [2021-11-13 17:39:05,605 INFO L226 Difference]: Without dead ends: 234173 [2021-11-13 17:39:06,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:39:06,383 INFO L933 BasicCegarLoop]: 8865 mSDtfsCounter, 5783 mSDsluCounter, 5491 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 2860 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17821.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6531 SdHoareTripleChecker+Valid, 14356 SdHoareTripleChecker+Invalid, 7123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 81.29ms SdHoareTripleChecker+Time, 2860 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21782.01ms IncrementalHoareTripleChecker+Time [2021-11-13 17:39:06,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6531 Valid, 14356 Invalid, 7123 Unknown, 0 Unchecked, 81.29ms Time], IncrementalHoareTripleChecker [2860 Valid, 4261 Invalid, 2 Unknown, 0 Unchecked, 21782.01ms Time] [2021-11-13 17:39:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234173 states. [2021-11-13 17:39:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234173 to 224837. [2021-11-13 17:39:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224837 states, 160715 states have (on average 1.3333851849547336) internal successors, (214295), 159513 states have internal predecessors, (214295), 53469 states have call successors, (53469), 9106 states have call predecessors, (53469), 10652 states have return successors, (64915), 57889 states have call predecessors, (64915), 53469 states have call successors, (64915)