./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-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:32:43,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:32:43,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:32:43,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:32:43,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:32:43,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:32:43,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:32:43,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:32:43,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:32:43,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:32:43,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:32:43,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:32:43,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:32:43,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:32:43,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:32:43,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:32:43,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:32:43,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:32:43,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:32:43,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:32:43,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:32:43,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:32:43,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:32:43,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:32:43,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:32:43,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:32:43,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:32:43,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:32:43,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:32:43,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:32:43,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:32:43,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:32:43,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:32:43,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:32:43,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:32:43,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:32:43,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:32:43,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:32:43,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:32:43,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:32:43,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:32:43,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:32:43,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:32:43,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:32:43,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:32:43,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:32:43,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:32:43,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:32:43,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:32:43,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:32:43,377 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:32:43,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:32:43,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:32:43,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:32:43,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:32:43,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:32:43,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:32:43,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:32:43,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:32:43,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:32:43,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:32:43,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:32:43,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:32:43,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:32:43,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:32:43,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:32:43,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:32:43,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:32:43,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:32:43,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:32:43,383 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:32:43,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:32:43,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:32:43,384 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_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d [2021-11-20 05:32:43,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:32:43,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:32:43,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:32:43,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:32:43,654 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:32:43,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-20 05:32:43,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/data/a3f1682c5/2969e27adfa24fa48ee9b8d42ecda890/FLAG4243098d5 [2021-11-20 05:32:44,669 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:32:44,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-20 05:32:44,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/data/a3f1682c5/2969e27adfa24fa48ee9b8d42ecda890/FLAG4243098d5 [2021-11-20 05:32:45,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/data/a3f1682c5/2969e27adfa24fa48ee9b8d42ecda890 [2021-11-20 05:32:45,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:32:45,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:32:45,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:32:45,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:32:45,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:32:45,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:45" (1/1) ... [2021-11-20 05:32:45,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dfaf18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:45, skipping insertion in model container [2021-11-20 05:32:45,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:45" (1/1) ... [2021-11-20 05:32:45,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:32:45,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:32:50,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494588,494601] [2021-11-20 05:32:50,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494733,494746] [2021-11-20 05:32:50,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:32:50,831 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:32:51,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494588,494601] [2021-11-20 05:32:51,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494733,494746] [2021-11-20 05:32:51,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:32:51,856 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:32:51,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51 WrapperNode [2021-11-20 05:32:51,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:32:51,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:51,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:32:51,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:32:51,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,369 INFO L137 Inliner]: procedures = 685, calls = 4349, calls flagged for inlining = 340, calls inlined = 320, statements flattened = 10336 [2021-11-20 05:32:52,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:32:52,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:32:52,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:32:52,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:32:52,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:32:52,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:32:52,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:32:52,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:32:52,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (1/1) ... [2021-11-20 05:32:52,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:32:52,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:32:52,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:32:52,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08529507-02b4-4b97-b6de-9a51588123d3/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:32:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 05:32:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 05:32:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2021-11-20 05:32:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2021-11-20 05:32:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2021-11-20 05:32:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2021-11-20 05:32:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 05:32:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 05:32:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 05:32:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 05:32:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_132 [2021-11-20 05:32:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_132 [2021-11-20 05:32:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-20 05:32:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-20 05:32:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-20 05:32:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-20 05:32:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_133 [2021-11-20 05:32:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_133 [2021-11-20 05:32:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:32:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:32:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2021-11-20 05:32:52,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2021-11-20 05:32:52,953 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2021-11-20 05:32:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2021-11-20 05:32:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 05:32:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 05:32:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-20 05:32:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-20 05:32:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-20 05:32:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-20 05:32:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 05:32:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 05:32:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 05:32:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 05:32:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2021-11-20 05:32:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2021-11-20 05:32:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 05:32:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 05:32:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 05:32:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 05:32:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2021-11-20 05:32:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2021-11-20 05:32:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2021-11-20 05:32:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2021-11-20 05:32:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-11-20 05:32:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-11-20 05:32:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2021-11-20 05:32:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2021-11-20 05:32:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2021-11-20 05:32:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2021-11-20 05:32:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2021-11-20 05:32:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2021-11-20 05:32:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-20 05:32:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-20 05:32:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2021-11-20 05:32:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2021-11-20 05:32:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2021-11-20 05:32:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2021-11-20 05:32:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-20 05:32:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-20 05:32:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-11-20 05:32:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-11-20 05:32:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 05:32:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 05:32:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 05:32:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 05:32:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2021-11-20 05:32:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2021-11-20 05:32:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 05:32:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 05:32:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 05:32:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 05:32:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2021-11-20 05:32:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2021-11-20 05:32:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-20 05:32:53,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-20 05:32:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 05:32:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 05:32:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 05:32:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 05:32:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:32:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:32:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-20 05:32:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-20 05:32:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:32:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2021-11-20 05:32:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2021-11-20 05:32:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2021-11-20 05:32:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2021-11-20 05:32:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-20 05:32:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-20 05:32:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2021-11-20 05:32:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2021-11-20 05:32:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2021-11-20 05:32:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2021-11-20 05:32:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 05:32:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 05:32:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-20 05:32:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-20 05:32:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2021-11-20 05:32:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2021-11-20 05:32:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2021-11-20 05:32:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2021-11-20 05:32:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 05:32:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 05:32:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2021-11-20 05:32:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2021-11-20 05:32:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 05:32:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 05:32:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 05:32:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2021-11-20 05:32:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2021-11-20 05:32:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2021-11-20 05:32:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2021-11-20 05:32:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 05:32:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 05:32:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2021-11-20 05:32:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2021-11-20 05:32:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2021-11-20 05:32:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2021-11-20 05:32:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 05:32:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 05:32:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 05:32:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 05:32:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 05:32:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2021-11-20 05:32:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2021-11-20 05:32:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:32:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 05:32:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 05:32:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 05:32:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 05:32:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2021-11-20 05:32:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2021-11-20 05:32:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 05:32:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 05:32:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 05:32:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 05:32:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 05:32:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 05:32:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 05:32:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 05:32:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 05:32:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 05:32:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2021-11-20 05:32:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2021-11-20 05:32:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-20 05:32:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-20 05:32:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 05:32:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 05:32:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 05:32:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 05:32:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-20 05:32:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-20 05:32:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:32:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 05:32:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 05:32:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 05:32:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 05:32:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 05:32:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 05:32:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:32:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-11-20 05:32:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-11-20 05:32:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 05:32:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 05:32:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 05:32:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 05:32:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:32:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 05:32:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:32:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 05:32:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2021-11-20 05:32:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2021-11-20 05:32:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-20 05:32:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-20 05:32:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-20 05:32:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-20 05:32:53,134 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2021-11-20 05:32:53,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2021-11-20 05:32:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-11-20 05:32:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-11-20 05:32:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 05:32:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 05:32:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 05:32:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 05:32:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-20 05:32:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-20 05:32:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-11-20 05:32:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-11-20 05:32:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-20 05:32:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-20 05:32:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 05:32:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 05:32:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 05:32:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 05:32:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 05:32:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 05:32:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2021-11-20 05:32:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2021-11-20 05:32:53,138 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 05:32:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 05:32:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2021-11-20 05:32:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2021-11-20 05:32:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2021-11-20 05:32:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2021-11-20 05:32:53,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:32:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:32:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2021-11-20 05:32:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2021-11-20 05:32:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 05:32:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 05:32:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:32:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:32:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_158 [2021-11-20 05:32:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_158 [2021-11-20 05:32:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 05:32:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 05:32:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2021-11-20 05:32:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2021-11-20 05:32:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 05:32:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 05:32:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2021-11-20 05:32:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2021-11-20 05:32:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 05:32:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 05:32:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2021-11-20 05:32:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2021-11-20 05:32:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 05:32:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 05:32:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-11-20 05:32:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-11-20 05:32:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 05:32:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 05:32:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:32:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:32:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 05:32:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 05:32:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 05:32:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 05:32:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2021-11-20 05:32:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2021-11-20 05:32:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2021-11-20 05:32:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2021-11-20 05:32:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2021-11-20 05:32:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2021-11-20 05:32:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:32:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 05:32:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 05:32:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2021-11-20 05:32:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2021-11-20 05:32:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:32:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2021-11-20 05:32:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2021-11-20 05:32:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2021-11-20 05:32:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2021-11-20 05:32:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-20 05:32:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-20 05:32:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-20 05:32:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-20 05:32:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2021-11-20 05:32:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2021-11-20 05:32:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:32:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-20 05:32:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-20 05:32:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2021-11-20 05:32:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2021-11-20 05:32:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 05:32:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 05:32:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 05:32:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 05:32:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 05:32:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 05:32:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2021-11-20 05:32:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2021-11-20 05:32:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2021-11-20 05:32:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2021-11-20 05:32:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2021-11-20 05:32:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2021-11-20 05:32:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-20 05:32:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-20 05:32:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2021-11-20 05:32:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2021-11-20 05:32:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 05:32:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 05:32:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-20 05:32:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-20 05:32:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 05:32:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 05:32:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2021-11-20 05:32:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2021-11-20 05:32:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 05:32:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 05:32:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2021-11-20 05:32:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2021-11-20 05:32:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2021-11-20 05:32:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2021-11-20 05:32:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-20 05:32:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-20 05:32:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 05:32:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 05:32:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2021-11-20 05:32:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2021-11-20 05:32:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:32:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:32:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2021-11-20 05:32:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2021-11-20 05:32:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:32:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:32:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:32:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2021-11-20 05:32:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2021-11-20 05:32:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2021-11-20 05:32:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2021-11-20 05:32:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-20 05:32:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-20 05:32:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2021-11-20 05:32:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2021-11-20 05:32:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2021-11-20 05:32:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2021-11-20 05:32:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2021-11-20 05:32:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2021-11-20 05:32:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-20 05:32:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-20 05:32:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2021-11-20 05:32:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2021-11-20 05:32:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 05:32:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 05:32:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 05:32:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 05:32:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 05:32:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 05:32:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2021-11-20 05:32:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2021-11-20 05:32:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-11-20 05:32:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-11-20 05:32:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 05:32:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 05:32:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2021-11-20 05:32:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2021-11-20 05:32:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 05:32:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 05:32:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-20 05:32:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-20 05:32:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:32:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 05:32:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 05:32:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_160 [2021-11-20 05:32:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_160 [2021-11-20 05:32:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-20 05:32:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-20 05:32:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-20 05:32:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-20 05:32:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2021-11-20 05:32:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2021-11-20 05:32:54,567 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:32:54,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:32:55,014 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:37:17,346 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 05:37:17,624 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:37:17,675 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:37:17,675 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 05:37:17,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:17 BoogieIcfgContainer [2021-11-20 05:37:17,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:37:17,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:37:17,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:37:17,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:37:17,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:32:45" (1/3) ... [2021-11-20 05:37:17,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d396e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:37:17, skipping insertion in model container [2021-11-20 05:37:17,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:51" (2/3) ... [2021-11-20 05:37:17,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d396e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:37:17, skipping insertion in model container [2021-11-20 05:37:17,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:17" (3/3) ... [2021-11-20 05:37:17,698 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-20 05:37:17,705 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:37:17,705 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 05:37:17,806 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:37:17,823 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 05:37:17,823 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 05:37:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 3778 states, 2513 states have (on average 1.294866693195384) internal successors, (3254), 2582 states have internal predecessors, (3254), 1096 states have call successors, (1096), 169 states have call predecessors, (1096), 168 states have return successors, (1091), 1079 states have call predecessors, (1091), 1091 states have call successors, (1091) [2021-11-20 05:37:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-20 05:37:17,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:37:17,988 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:17,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:37:17,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:17,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1352669334, now seen corresponding path program 1 times [2021-11-20 05:37:18,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:37:18,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110551378] [2021-11-20 05:37:18,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:18,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:37:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:37:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:37:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:37:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:37:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:37:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:37:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:37:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:37:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:37:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:37:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:37:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:37:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:37:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 05:37:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 05:37:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-20 05:37:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-20 05:37:20,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:37:20,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110551378] [2021-11-20 05:37:20,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110551378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:37:20,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:37:20,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:37:20,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561111593] [2021-11-20 05:37:20,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:37:20,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:37:20,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:37:20,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:37:20,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:37:20,063 INFO L87 Difference]: Start difference. First operand has 3778 states, 2513 states have (on average 1.294866693195384) internal successors, (3254), 2582 states have internal predecessors, (3254), 1096 states have call successors, (1096), 169 states have call predecessors, (1096), 168 states have return successors, (1091), 1079 states have call predecessors, (1091), 1091 states have call successors, (1091) 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-20 05:37:22,225 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 [] [2021-11-20 05:37:24,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:48,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:37:48,413 INFO L93 Difference]: Finished difference Result 10424 states and 15251 transitions. [2021-11-20 05:37:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:37:48,416 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 191 [2021-11-20 05:37:48,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:37:48,513 INFO L225 Difference]: With dead ends: 10424 [2021-11-20 05:37:48,513 INFO L226 Difference]: Without dead ends: 6600 [2021-11-20 05:37:48,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:37:48,566 INFO L933 BasicCegarLoop]: 5467 mSDtfsCounter, 5367 mSDsluCounter, 5682 mSDsCounter, 0 mSdLazyCounter, 3674 mSolverCounterSat, 2762 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6262 SdHoareTripleChecker+Valid, 11149 SdHoareTripleChecker+Invalid, 6438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2762 IncrementalHoareTripleChecker+Valid, 3674 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-20 05:37:48,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6262 Valid, 11149 Invalid, 6438 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2762 Valid, 3674 Invalid, 2 Unknown, 0 Unchecked, 27.3s Time] [2021-11-20 05:37:48,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6600 states. [2021-11-20 05:37:49,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6600 to 5973. [2021-11-20 05:37:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5973 states, 4031 states have (on average 1.2900024807740016) internal successors, (5200), 4137 states have internal predecessors, (5200), 1645 states have call successors, (1645), 295 states have call predecessors, (1645), 295 states have return successors, (1645), 1626 states have call predecessors, (1645), 1645 states have call successors, (1645) [2021-11-20 05:37:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5973 states to 5973 states and 8490 transitions. [2021-11-20 05:37:49,242 INFO L78 Accepts]: Start accepts. Automaton has 5973 states and 8490 transitions. Word has length 191 [2021-11-20 05:37:49,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:37:49,244 INFO L470 AbstractCegarLoop]: Abstraction has 5973 states and 8490 transitions. [2021-11-20 05:37:49,244 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-20 05:37:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5973 states and 8490 transitions. [2021-11-20 05:37:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-20 05:37:49,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:37:49,258 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:37:49,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:37:49,259 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:37:49,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:37:49,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1967485861, now seen corresponding path program 1 times [2021-11-20 05:37:49,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:37:49,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028277220] [2021-11-20 05:37:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:37:49,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:37:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:37:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:37:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:37:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:37:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:37:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:37:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:37:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:37:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:37:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:37:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:37:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:37:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:37:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:37:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 05:37:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 05:37:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 05:37:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 05:37:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 05:37:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 05:37:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 05:37:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-20 05:37:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 05:37:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:37:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-20 05:37:50,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:37:50,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028277220] [2021-11-20 05:37:50,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028277220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:37:50,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:37:50,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:37:50,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133624730] [2021-11-20 05:37:50,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:37:50,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:37:50,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:37:50,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:37:50,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:37:50,407 INFO L87 Difference]: Start difference. First operand 5973 states and 8490 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-20 05:37:52,529 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 [] [2021-11-20 05:37:54,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:37:57,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:41,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:38:41,417 INFO L93 Difference]: Finished difference Result 19246 states and 27648 transitions. [2021-11-20 05:38:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:38:41,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 208 [2021-11-20 05:38:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:38:41,562 INFO L225 Difference]: With dead ends: 19246 [2021-11-20 05:38:41,562 INFO L226 Difference]: Without dead ends: 13302 [2021-11-20 05:38:41,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:38:41,605 INFO L933 BasicCegarLoop]: 5638 mSDtfsCounter, 10785 mSDsluCounter, 5938 mSDsCounter, 0 mSdLazyCounter, 7008 mSolverCounterSat, 8215 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11537 SdHoareTripleChecker+Valid, 11576 SdHoareTripleChecker+Invalid, 15226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8215 IncrementalHoareTripleChecker+Valid, 7008 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2021-11-20 05:38:41,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11537 Valid, 11576 Invalid, 15226 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8215 Valid, 7008 Invalid, 3 Unknown, 0 Unchecked, 49.7s Time] [2021-11-20 05:38:41,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13302 states. [2021-11-20 05:38:42,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13302 to 12214. [2021-11-20 05:38:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12214 states, 8244 states have (on average 1.291969917515769) internal successors, (10651), 8473 states have internal predecessors, (10651), 3361 states have call successors, (3361), 590 states have call predecessors, (3361), 607 states have return successors, (3432), 3325 states have call predecessors, (3432), 3361 states have call successors, (3432) [2021-11-20 05:38:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12214 states to 12214 states and 17444 transitions. [2021-11-20 05:38:42,589 INFO L78 Accepts]: Start accepts. Automaton has 12214 states and 17444 transitions. Word has length 208 [2021-11-20 05:38:42,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:38:42,590 INFO L470 AbstractCegarLoop]: Abstraction has 12214 states and 17444 transitions. [2021-11-20 05:38:42,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-20 05:38:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 12214 states and 17444 transitions. [2021-11-20 05:38:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-20 05:38:42,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:38:42,607 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 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] [2021-11-20 05:38:42,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:38:42,608 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:38:42,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:38:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1219209246, now seen corresponding path program 1 times [2021-11-20 05:38:42,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:38:42,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740295485] [2021-11-20 05:38:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:38:42,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:38:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:38:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:38:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:38:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:38:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:38:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:38:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:38:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:38:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:38:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:38:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:38:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:38:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:38:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:38:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-20 05:38:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 05:38:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 05:38:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-20 05:38:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-20 05:38:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 05:38:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 05:38:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-20 05:38:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-20 05:38:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:38:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-11-20 05:38:43,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:38:43,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740295485] [2021-11-20 05:38:43,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740295485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:38:43,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:38:43,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:38:43,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251056173] [2021-11-20 05:38:43,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:38:43,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:38:43,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:38:43,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:38:43,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:38:43,622 INFO L87 Difference]: Start difference. First operand 12214 states and 17444 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-20 05:38:45,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:47,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:38:50,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:02,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:32,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:39:32,712 INFO L93 Difference]: Finished difference Result 35569 states and 51100 transitions. [2021-11-20 05:39:32,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:39:32,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 229 [2021-11-20 05:39:32,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:39:32,924 INFO L225 Difference]: With dead ends: 35569 [2021-11-20 05:39:32,925 INFO L226 Difference]: Without dead ends: 23384 [2021-11-20 05:39:33,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:39:33,014 INFO L933 BasicCegarLoop]: 5146 mSDtfsCounter, 10646 mSDsluCounter, 5864 mSDsCounter, 0 mSdLazyCounter, 6760 mSolverCounterSat, 8248 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11298 SdHoareTripleChecker+Valid, 11010 SdHoareTripleChecker+Invalid, 15011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8248 IncrementalHoareTripleChecker+Valid, 6760 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:39:33,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11298 Valid, 11010 Invalid, 15011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8248 Valid, 6760 Invalid, 3 Unknown, 0 Unchecked, 47.8s Time] [2021-11-20 05:39:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23384 states. [2021-11-20 05:39:34,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23384 to 21039. [2021-11-20 05:39:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21039 states, 14164 states have (on average 1.291019486020898) internal successors, (18286), 14549 states have internal predecessors, (18286), 5772 states have call successors, (5772), 1080 states have call predecessors, (5772), 1101 states have return successors, (5866), 5711 states have call predecessors, (5866), 5772 states have call successors, (5866) [2021-11-20 05:39:34,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21039 states to 21039 states and 29924 transitions. [2021-11-20 05:39:34,634 INFO L78 Accepts]: Start accepts. Automaton has 21039 states and 29924 transitions. Word has length 229 [2021-11-20 05:39:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:39:34,636 INFO L470 AbstractCegarLoop]: Abstraction has 21039 states and 29924 transitions. [2021-11-20 05:39:34,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-20 05:39:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 21039 states and 29924 transitions. [2021-11-20 05:39:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-20 05:39:34,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:39:34,648 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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] [2021-11-20 05:39:34,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:39:34,648 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:39:34,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:34,649 INFO L85 PathProgramCache]: Analyzing trace with hash 556441819, now seen corresponding path program 1 times [2021-11-20 05:39:34,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:34,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094503224] [2021-11-20 05:39:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:34,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:39:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:39:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:39:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:39:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:39:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:39:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:39:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:39:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:39:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:39:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:39:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:39:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:39:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 05:39:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:39:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:39:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:39:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 05:39:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:39:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 05:39:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 05:39:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-20 05:39:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-20 05:39:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-20 05:39:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:39:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2021-11-20 05:39:35,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:39:35,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094503224] [2021-11-20 05:39:35,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094503224] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:39:35,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:39:35,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:39:35,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389843884] [2021-11-20 05:39:35,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:39:35,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:39:35,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:39:35,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:39:35,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:39:35,737 INFO L87 Difference]: Start difference. First operand 21039 states and 29924 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 05:39:37,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:39:40,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:03,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:40:03,625 INFO L93 Difference]: Finished difference Result 51598 states and 73709 transitions. [2021-11-20 05:40:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:40:03,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2021-11-20 05:40:03,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:40:03,830 INFO L225 Difference]: With dead ends: 51598 [2021-11-20 05:40:03,831 INFO L226 Difference]: Without dead ends: 30588 [2021-11-20 05:40:03,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:40:03,934 INFO L933 BasicCegarLoop]: 7918 mSDtfsCounter, 4313 mSDsluCounter, 6714 mSDsCounter, 0 mSdLazyCounter, 3624 mSolverCounterSat, 2044 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5182 SdHoareTripleChecker+Valid, 14632 SdHoareTripleChecker+Invalid, 5670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2044 IncrementalHoareTripleChecker+Valid, 3624 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2021-11-20 05:40:03,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5182 Valid, 14632 Invalid, 5670 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2044 Valid, 3624 Invalid, 2 Unknown, 0 Unchecked, 26.7s Time] [2021-11-20 05:40:03,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30588 states. [2021-11-20 05:40:05,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30588 to 28006. [2021-11-20 05:40:05,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28006 states, 18951 states have (on average 1.2930188380560392) internal successors, (24504), 19451 states have internal predecessors, (24504), 7520 states have call successors, (7520), 1512 states have call predecessors, (7520), 1533 states have return successors, (7614), 7441 states have call predecessors, (7614), 7520 states have call successors, (7614) [2021-11-20 05:40:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28006 states to 28006 states and 39638 transitions. [2021-11-20 05:40:06,159 INFO L78 Accepts]: Start accepts. Automaton has 28006 states and 39638 transitions. Word has length 253 [2021-11-20 05:40:06,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:40:06,164 INFO L470 AbstractCegarLoop]: Abstraction has 28006 states and 39638 transitions. [2021-11-20 05:40:06,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 05:40:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 28006 states and 39638 transitions. [2021-11-20 05:40:06,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-20 05:40:06,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:40:06,181 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:40:06,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:40:06,184 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:40:06,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:40:06,185 INFO L85 PathProgramCache]: Analyzing trace with hash -610313233, now seen corresponding path program 1 times [2021-11-20 05:40:06,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:40:06,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943167563] [2021-11-20 05:40:06,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:40:06,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:40:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:40:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:40:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:40:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:40:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:40:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:40:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:40:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:40:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:40:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:40:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:40:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:40:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:40:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:06,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 05:40:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:40:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:40:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:40:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 05:40:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 05:40:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 05:40:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 05:40:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:40:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:40:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 05:40:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:40:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:40:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 05:40:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-20 05:40:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 05:40:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 05:40:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 05:40:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2021-11-20 05:40:07,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:40:07,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943167563] [2021-11-20 05:40:07,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943167563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:40:07,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:40:07,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:40:07,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255854141] [2021-11-20 05:40:07,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:40:07,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:40:07,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:40:07,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:40:07,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:40:07,211 INFO L87 Difference]: Start difference. First operand 28006 states and 39638 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-20 05:40:09,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:11,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:35,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:40:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:40:36,575 INFO L93 Difference]: Finished difference Result 66172 states and 94147 transitions. [2021-11-20 05:40:36,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:40:36,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2021-11-20 05:40:36,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:40:36,807 INFO L225 Difference]: With dead ends: 66172 [2021-11-20 05:40:36,807 INFO L226 Difference]: Without dead ends: 38195 [2021-11-20 05:40:36,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:40:36,917 INFO L933 BasicCegarLoop]: 7985 mSDtfsCounter, 4284 mSDsluCounter, 6756 mSDsCounter, 0 mSdLazyCounter, 3614 mSolverCounterSat, 2033 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5153 SdHoareTripleChecker+Valid, 14741 SdHoareTripleChecker+Invalid, 5649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2033 IncrementalHoareTripleChecker+Valid, 3614 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:40:36,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5153 Valid, 14741 Invalid, 5649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2033 Valid, 3614 Invalid, 2 Unknown, 0 Unchecked, 28.0s Time] [2021-11-20 05:40:36,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38195 states. [2021-11-20 05:40:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38195 to 34951. [2021-11-20 05:40:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34951 states, 23722 states have (on average 1.2944102520866707) internal successors, (30706), 24337 states have internal predecessors, (30706), 9262 states have call successors, (9262), 1944 states have call predecessors, (9262), 1965 states have return successors, (9356), 9165 states have call predecessors, (9356), 9262 states have call successors, (9356) [2021-11-20 05:40:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34951 states to 34951 states and 49324 transitions. [2021-11-20 05:40:39,234 INFO L78 Accepts]: Start accepts. Automaton has 34951 states and 49324 transitions. Word has length 327 [2021-11-20 05:40:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:40:39,235 INFO L470 AbstractCegarLoop]: Abstraction has 34951 states and 49324 transitions. [2021-11-20 05:40:39,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-20 05:40:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 34951 states and 49324 transitions. [2021-11-20 05:40:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-20 05:40:39,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:40:39,255 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:40:39,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:40:39,255 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:40:39,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:40:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash -569638483, now seen corresponding path program 1 times [2021-11-20 05:40:39,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:40:39,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138105047] [2021-11-20 05:40:39,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:40:39,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:40:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:40:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:40:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:40:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:40:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:40:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:40:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:40:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:40:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:40:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:40:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:40:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:40:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:40:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 05:40:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:40:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:40:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:40:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 05:40:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 05:40:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 05:40:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 05:40:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:40:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:40:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 05:40:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:40:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:40:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:40:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 05:40:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-20 05:40:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 05:40:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-20 05:40:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 05:40:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:40:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2021-11-20 05:40:40,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:40:40,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138105047] [2021-11-20 05:40:40,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138105047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:40:40,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:40:40,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:40:40,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943813259] [2021-11-20 05:40:40,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:40:40,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:40:40,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:40:40,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:40:40,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:40:40,855 INFO L87 Difference]: Start difference. First operand 34951 states and 49324 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-20 05:40:43,002 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 [] [2021-11-20 05:40:45,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:12,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:12,631 INFO L93 Difference]: Finished difference Result 84658 states and 120370 transitions. [2021-11-20 05:41:12,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:12,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2021-11-20 05:41:12,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:13,059 INFO L225 Difference]: With dead ends: 84658 [2021-11-20 05:41:13,060 INFO L226 Difference]: Without dead ends: 49736 [2021-11-20 05:41:13,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:13,190 INFO L933 BasicCegarLoop]: 8818 mSDtfsCounter, 5613 mSDsluCounter, 6303 mSDsCounter, 0 mSdLazyCounter, 3932 mSolverCounterSat, 2710 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6673 SdHoareTripleChecker+Valid, 15121 SdHoareTripleChecker+Invalid, 6644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2710 IncrementalHoareTripleChecker+Valid, 3932 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:13,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6673 Valid, 15121 Invalid, 6644 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2710 Valid, 3932 Invalid, 2 Unknown, 0 Unchecked, 29.9s Time] [2021-11-20 05:41:13,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49736 states. [2021-11-20 05:41:15,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49736 to 45175. [2021-11-20 05:41:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45175 states, 30581 states have (on average 1.2908995781694517) internal successors, (39477), 31366 states have internal predecessors, (39477), 12096 states have call successors, (12096), 2465 states have call predecessors, (12096), 2496 states have return successors, (12212), 11979 states have call predecessors, (12212), 12096 states have call successors, (12212) [2021-11-20 05:41:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45175 states to 45175 states and 63785 transitions. [2021-11-20 05:41:16,253 INFO L78 Accepts]: Start accepts. Automaton has 45175 states and 63785 transitions. Word has length 327 [2021-11-20 05:41:16,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:16,254 INFO L470 AbstractCegarLoop]: Abstraction has 45175 states and 63785 transitions. [2021-11-20 05:41:16,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-20 05:41:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 45175 states and 63785 transitions. [2021-11-20 05:41:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-20 05:41:16,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:16,287 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 12, 12, 12, 12, 12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:16,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 05:41:16,288 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:16,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:16,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1725621845, now seen corresponding path program 1 times [2021-11-20 05:41:16,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:16,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979093866] [2021-11-20 05:41:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:16,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:41:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:41:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:41:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:41:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:41:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:41:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:41:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:41:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:41:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:41:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:41:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:41:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:41:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 05:41:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:41:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:41:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:41:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 05:41:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 05:41:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 05:41:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 05:41:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 05:41:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 05:41:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-20 05:41:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 05:41:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-20 05:41:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-20 05:41:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-20 05:41:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-20 05:41:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-20 05:41:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 05:41:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1189 trivial. 0 not checked. [2021-11-20 05:41:17,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:17,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979093866] [2021-11-20 05:41:17,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979093866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:17,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:17,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:17,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613245075] [2021-11-20 05:41:17,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:17,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:17,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:17,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:17,692 INFO L87 Difference]: Start difference. First operand 45175 states and 63785 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 05:41:19,831 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 [] [2021-11-20 05:41:22,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:47,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:48,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:41:48,973 INFO L93 Difference]: Finished difference Result 102487 states and 145563 transitions. [2021-11-20 05:41:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:41:48,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 383 [2021-11-20 05:41:48,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:41:49,247 INFO L225 Difference]: With dead ends: 102487 [2021-11-20 05:41:49,247 INFO L226 Difference]: Without dead ends: 57341 [2021-11-20 05:41:49,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:41:49,402 INFO L933 BasicCegarLoop]: 7556 mSDtfsCounter, 4327 mSDsluCounter, 6481 mSDsCounter, 0 mSdLazyCounter, 3619 mSolverCounterSat, 2149 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5198 SdHoareTripleChecker+Valid, 14037 SdHoareTripleChecker+Invalid, 5770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2149 IncrementalHoareTripleChecker+Valid, 3619 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:41:49,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5198 Valid, 14037 Invalid, 5770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2149 Valid, 3619 Invalid, 2 Unknown, 0 Unchecked, 29.0s Time] [2021-11-20 05:41:49,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57341 states. [2021-11-20 05:41:51,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57341 to 52118. [2021-11-20 05:41:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52118 states, 35352 states have (on average 1.2921192577506224) internal successors, (45679), 36252 states have internal predecessors, (45679), 13838 states have call successors, (13838), 2895 states have call predecessors, (13838), 2926 states have return successors, (13954), 13703 states have call predecessors, (13954), 13838 states have call successors, (13954) [2021-11-20 05:41:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52118 states to 52118 states and 73471 transitions. [2021-11-20 05:41:52,651 INFO L78 Accepts]: Start accepts. Automaton has 52118 states and 73471 transitions. Word has length 383 [2021-11-20 05:41:52,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:41:52,666 INFO L470 AbstractCegarLoop]: Abstraction has 52118 states and 73471 transitions. [2021-11-20 05:41:52,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 05:41:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 52118 states and 73471 transitions. [2021-11-20 05:41:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-20 05:41:52,699 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:41:52,708 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 12, 12, 12, 12, 12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:41:52,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 05:41:52,708 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:41:52,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:41:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1766296595, now seen corresponding path program 1 times [2021-11-20 05:41:52,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:41:52,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166014904] [2021-11-20 05:41:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:41:52,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:41:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:41:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:41:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:41:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:41:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:41:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:41:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:41:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:41:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:41:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:41:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:41:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:41:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:41:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 05:41:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:41:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:41:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:41:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 05:41:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 05:41:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 05:41:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 05:41:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 05:41:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:41:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:41:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 05:41:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-20 05:41:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 05:41:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-20 05:41:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:41:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-20 05:41:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:54,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-20 05:41:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-20 05:41:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-20 05:41:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-20 05:41:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:41:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1189 trivial. 0 not checked. [2021-11-20 05:41:54,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:41:54,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166014904] [2021-11-20 05:41:54,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166014904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:41:54,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:41:54,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:41:54,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454966666] [2021-11-20 05:41:54,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:41:54,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 05:41:54,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:41:54,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:41:54,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:41:54,064 INFO L87 Difference]: Start difference. First operand 52118 states and 73471 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 05:41:56,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:41:58,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:24,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:42:26,712 INFO L93 Difference]: Finished difference Result 117083 states and 166049 transitions. [2021-11-20 05:42:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:42:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 383 [2021-11-20 05:42:26,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:42:27,006 INFO L225 Difference]: With dead ends: 117083 [2021-11-20 05:42:27,006 INFO L226 Difference]: Without dead ends: 64994 [2021-11-20 05:42:27,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:42:27,143 INFO L933 BasicCegarLoop]: 7966 mSDtfsCounter, 4312 mSDsluCounter, 6739 mSDsCounter, 0 mSdLazyCounter, 3624 mSolverCounterSat, 2038 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 14705 SdHoareTripleChecker+Invalid, 5664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2038 IncrementalHoareTripleChecker+Valid, 3624 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:42:27,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5183 Valid, 14705 Invalid, 5664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2038 Valid, 3624 Invalid, 2 Unknown, 0 Unchecked, 30.1s Time] [2021-11-20 05:42:27,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64994 states. [2021-11-20 05:42:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64994 to 59109. [2021-11-20 05:42:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59109 states, 40163 states have (on average 1.2929562034708562) internal successors, (51929), 41178 states have internal predecessors, (51929), 15584 states have call successors, (15584), 3329 states have call predecessors, (15584), 3360 states have return successors, (15700), 15431 states have call predecessors, (15700), 15584 states have call successors, (15700) [2021-11-20 05:42:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59109 states to 59109 states and 83213 transitions. [2021-11-20 05:42:30,113 INFO L78 Accepts]: Start accepts. Automaton has 59109 states and 83213 transitions. Word has length 383 [2021-11-20 05:42:30,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:42:30,115 INFO L470 AbstractCegarLoop]: Abstraction has 59109 states and 83213 transitions. [2021-11-20 05:42:30,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 05:42:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 59109 states and 83213 transitions. [2021-11-20 05:42:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-11-20 05:42:30,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:42:30,137 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:42:30,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 05:42:30,137 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:42:30,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:42:30,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1776520920, now seen corresponding path program 1 times [2021-11-20 05:42:30,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:42:30,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632998631] [2021-11-20 05:42:30,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:42:30,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:42:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:42:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:42:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:42:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:42:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:42:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:42:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:42:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:42:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:42:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:42:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:42:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:42:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:42:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-20 05:42:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-20 05:42:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 05:42:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 05:42:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 05:42:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-20 05:42:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-20 05:42:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 05:42:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 05:42:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 05:42:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-20 05:42:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:42:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 05:42:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-20 05:42:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 05:42:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:42:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-20 05:42:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-20 05:42:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 05:42:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:42:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-20 05:42:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-20 05:42:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 05:42:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:42:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-20 05:42:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-20 05:42:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 05:42:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:42:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 05:42:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-20 05:42:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 05:42:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:42:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-20 05:42:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:42:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 05:42:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 05:42:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-20 05:42:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-20 05:42:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:42:32,152 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2021-11-20 05:42:32,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:42:32,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632998631] [2021-11-20 05:42:32,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632998631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:42:32,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:42:32,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 05:42:32,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628528696] [2021-11-20 05:42:32,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:42:32,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 05:42:32,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:42:32,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 05:42:32,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:42:32,156 INFO L87 Difference]: Start difference. First operand 59109 states and 83213 transitions. Second operand has 9 states, 8 states have (on average 17.625) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (59), 8 states have call predecessors, (59), 1 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-20 05:42:34,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:36,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:38,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:41,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:43,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:45,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:42:47,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:13,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:32,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:48,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:44:51,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 05:45:05,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:05,207 INFO L93 Difference]: Finished difference Result 253200 states and 378111 transitions. [2021-11-20 05:45:05,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-11-20 05:45:05,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (59), 8 states have call predecessors, (59), 1 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) Word has length 418 [2021-11-20 05:45:05,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:45:06,650 INFO L225 Difference]: With dead ends: 253200 [2021-11-20 05:45:06,650 INFO L226 Difference]: Without dead ends: 194120 [2021-11-20 05:45:07,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1699 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=875, Invalid=3547, Unknown=0, NotChecked=0, Total=4422 [2021-11-20 05:45:07,103 INFO L933 BasicCegarLoop]: 4960 mSDtfsCounter, 33342 mSDsluCounter, 11582 mSDsCounter, 0 mSdLazyCounter, 19419 mSolverCounterSat, 32394 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33926 SdHoareTripleChecker+Valid, 16542 SdHoareTripleChecker+Invalid, 51821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 32394 IncrementalHoareTripleChecker+Valid, 19419 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.3s IncrementalHoareTripleChecker+Time [2021-11-20 05:45:07,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33926 Valid, 16542 Invalid, 51821 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [32394 Valid, 19419 Invalid, 8 Unknown, 0 Unchecked, 139.3s Time] [2021-11-20 05:45:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194120 states. [2021-11-20 05:45:15,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194120 to 120711. [2021-11-20 05:45:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120711 states, 82594 states have (on average 1.303629803617696) internal successors, (107672), 84897 states have internal predecessors, (107672), 31711 states have call successors, (31711), 6228 states have call predecessors, (31711), 6404 states have return successors, (32633), 31332 states have call predecessors, (32633), 31711 states have call successors, (32633) [2021-11-20 05:45:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120711 states to 120711 states and 172016 transitions. [2021-11-20 05:45:17,184 INFO L78 Accepts]: Start accepts. Automaton has 120711 states and 172016 transitions. Word has length 418 [2021-11-20 05:45:17,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:45:17,185 INFO L470 AbstractCegarLoop]: Abstraction has 120711 states and 172016 transitions. [2021-11-20 05:45:17,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (59), 8 states have call predecessors, (59), 1 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-20 05:45:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 120711 states and 172016 transitions. [2021-11-20 05:45:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-20 05:45:17,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:45:17,198 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 12, 12, 12, 12, 12, 12, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:17,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 05:45:17,199 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:45:17,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:17,200 INFO L85 PathProgramCache]: Analyzing trace with hash 93169160, now seen corresponding path program 1 times [2021-11-20 05:45:17,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:17,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659877072] [2021-11-20 05:45:17,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:17,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 05:45:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:45:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 05:45:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 05:45:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:45:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:45:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 05:45:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 05:45:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 05:45:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 05:45:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 05:45:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 05:45:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 05:45:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 05:45:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-20 05:45:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 05:45:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 05:45:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-20 05:45:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-20 05:45:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-20 05:45:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 05:45:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-20 05:45:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 05:45:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 05:45:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 05:45:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-20 05:45:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 05:45:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-20 05:45:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-20 05:45:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-20 05:45:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-20 05:45:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-20 05:45:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 05:45:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-20 05:45:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-20 05:45:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-20 05:45:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-20 05:45:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:18,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2021-11-20 05:45:18,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:18,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659877072] [2021-11-20 05:45:18,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659877072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:18,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:18,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:45:18,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183846100] [2021-11-20 05:45:18,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:18,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:45:18,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:18,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:45:18,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:45:18,644 INFO L87 Difference]: Start difference. First operand 120711 states and 172016 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-20 05:45:20,790 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 []