./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:55:47,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:55:47,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:55:47,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:55:47,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:55:47,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:55:47,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:55:47,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:55:47,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:55:47,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:55:47,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:55:47,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:55:47,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:55:47,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:55:47,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:55:47,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:55:47,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:55:47,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:55:47,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:55:47,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:55:47,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:55:47,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:55:47,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:55:47,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:55:47,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:55:47,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:55:47,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:55:47,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:55:47,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:55:47,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:55:47,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:55:47,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:55:47,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:55:47,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:55:47,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:55:47,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:55:47,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:55:47,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:55:47,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:55:47,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:55:47,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:55:47,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:55:47,417 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:55:47,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:55:47,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:55:47,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:55:47,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:55:47,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:55:47,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:55:47,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:55:47,431 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:55:47,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:55:47,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:55:47,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:55:47,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:55:47,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:55:47,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:55:47,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:55:47,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:55:47,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:55:47,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:55:47,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:55:47,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:55:47,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:55:47,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:55:47,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:55:47,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:55:47,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:55:47,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:55:47,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:55:47,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:55:47,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:55:47,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:55:47,441 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_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2021-11-13 18:55:47,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:55:47,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:55:47,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:55:47,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:55:47,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:55:47,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-11-13 18:55:47,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/data/9e145580d/f145bc07f8f04cde84bb778e6154917f/FLAG5b00cb24a [2021-11-13 18:55:49,266 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:55:49,267 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-11-13 18:55:49,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/data/9e145580d/f145bc07f8f04cde84bb778e6154917f/FLAG5b00cb24a [2021-11-13 18:55:49,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/data/9e145580d/f145bc07f8f04cde84bb778e6154917f [2021-11-13 18:55:49,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:55:49,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:55:49,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:55:49,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:55:49,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:55:49,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:55:49" (1/1) ... [2021-11-13 18:55:49,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e716072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:49, skipping insertion in model container [2021-11-13 18:55:49,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:55:49" (1/1) ... [2021-11-13 18:55:49,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:55:50,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:55:56,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-11-13 18:55:56,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-11-13 18:55:56,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:55:56,499 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:55:57,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-11-13 18:55:57,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-11-13 18:55:57,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:55:57,776 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:55:57,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57 WrapperNode [2021-11-13 18:55:57,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:55:57,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:55:57,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:55:57,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:55:57,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:58,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:58,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:55:58,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:55:58,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:55:58,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:55:58,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:58,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:58,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:58,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:59,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:59,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:59,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:59,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:55:59,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:55:59,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:55:59,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:55:59,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (1/1) ... [2021-11-13 18:55:59,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:55:59,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:59,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:59,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e694b893-f1a9-44c8-be84-8e12aa6c8ef7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:55:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 18:55:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 18:55:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:55:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:55:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 18:55:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 18:55:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-11-13 18:55:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-11-13 18:55:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:55:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:55:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-11-13 18:55:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-11-13 18:55:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-13 18:55:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-13 18:55:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:55:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:55:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-13 18:55:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-13 18:55:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:55:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:55:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-11-13 18:55:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-11-13 18:55:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-11-13 18:55:59,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-11-13 18:55:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-11-13 18:55:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-11-13 18:55:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-11-13 18:55:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-11-13 18:55:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-13 18:55:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-13 18:55:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-11-13 18:55:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-11-13 18:55:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-11-13 18:55:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-11-13 18:55:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 18:55:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 18:55:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 18:55:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 18:55:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 18:55:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 18:55:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 18:55:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 18:55:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-11-13 18:55:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-11-13 18:55:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 18:55:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 18:55:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:55:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:55:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:55:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 18:55:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 18:55:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-11-13 18:55:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-11-13 18:55:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 18:55:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 18:55:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-11-13 18:55:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-11-13 18:55:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 18:55:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 18:55:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:55:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-11-13 18:55:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-11-13 18:55:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-11-13 18:55:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-11-13 18:55:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:55:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:55:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-11-13 18:55:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-11-13 18:55:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:55:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 18:55:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 18:55:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-11-13 18:55:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-11-13 18:55:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-11-13 18:55:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-11-13 18:55:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:55:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-11-13 18:55:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-11-13 18:55:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:55:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:55:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 18:55:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 18:55:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:55:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:55:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 18:55:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 18:55:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-13 18:55:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-13 18:55:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:55:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:55:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 18:55:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 18:55:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 18:55:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 18:55:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-11-13 18:55:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-11-13 18:55:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-13 18:55:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-13 18:55:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:55:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:55:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-11-13 18:55:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-11-13 18:55:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-11-13 18:55:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-11-13 18:55:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-11-13 18:55:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-11-13 18:55:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:55:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 18:55:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 18:55:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 18:55:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 18:55:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-13 18:55:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-13 18:55:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 18:55:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 18:55:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 18:55:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 18:55:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 18:55:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 18:55:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:55:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:55:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:55:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:55:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:55:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-11-13 18:55:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-11-13 18:55:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-11-13 18:55:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-11-13 18:55:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:55:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:55:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:55:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 18:55:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 18:55:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 18:55:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-11-13 18:55:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-11-13 18:55:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 18:55:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 18:55:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-11-13 18:55:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-11-13 18:55:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-11-13 18:55:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-11-13 18:55:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-11-13 18:55:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-11-13 18:55:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 18:55:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 18:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:55:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 18:55:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 18:55:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-11-13 18:55:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-11-13 18:55:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-11-13 18:55:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-11-13 18:55:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-11-13 18:55:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-11-13 18:55:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 18:55:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 18:55:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:55:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:55:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-11-13 18:55:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-11-13 18:55:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:55:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:55:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-13 18:55:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-13 18:55:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:55:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:55:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:55:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:55:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:55:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:55:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:55:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:55:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 18:55:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 18:55:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:55:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:55:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-11-13 18:55:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-11-13 18:55:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 18:55:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 18:55:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-11-13 18:55:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-11-13 18:55:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-13 18:55:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-13 18:55:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:55:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:55:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 18:55:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 18:55:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-13 18:55:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-13 18:55:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-11-13 18:55:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-11-13 18:55:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 18:55:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 18:55:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 18:55:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 18:55:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 18:55:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 18:55:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-13 18:55:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-13 18:55:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:55:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 18:55:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 18:55:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 18:55:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 18:55:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:55:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-13 18:55:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-13 18:55:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:55:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:55:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-13 18:55:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 18:55:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 18:55:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 18:55:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 18:55:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 18:55:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 18:55:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:55:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:55:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-11-13 18:55:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-11-13 18:55:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-11-13 18:55:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-11-13 18:55:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 18:55:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 18:55:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-13 18:55:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-13 18:55:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 18:55:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 18:55:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 18:55:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 18:55:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-13 18:55:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-13 18:55:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:55:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:55:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-11-13 18:55:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-11-13 18:55:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-13 18:55:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-13 18:55:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:55:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:55:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:55:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-11-13 18:55:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-11-13 18:55:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:55:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:55:59,826 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-11-13 18:55:59,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-11-13 18:55:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 18:55:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 18:55:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-11-13 18:55:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-11-13 18:55:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 18:55:59,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 18:55:59,827 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-13 18:55:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-13 18:55:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-11-13 18:55:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-11-13 18:55:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-13 18:55:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-13 18:55:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-13 18:55:59,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-13 18:55:59,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-11-13 18:55:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-11-13 18:55:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-11-13 18:55:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-11-13 18:55:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-11-13 18:55:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-11-13 18:55:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-11-13 18:55:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-11-13 18:55:59,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-11-13 18:55:59,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-11-13 18:55:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 18:55:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 18:55:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 18:55:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 18:55:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:55:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:55:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-13 18:55:59,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-13 18:55:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 18:55:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 18:55:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:55:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 18:55:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 18:55:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-13 18:55:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-11-13 18:55:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-11-13 18:56:02,266 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:57:31,631 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 18:57:32,114 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:57:32,115 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:57:32,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:57:32 BoogieIcfgContainer [2021-11-13 18:57:32,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:57:32,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:57:32,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:57:32,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:57:32,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:55:49" (1/3) ... [2021-11-13 18:57:32,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120454e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:57:32, skipping insertion in model container [2021-11-13 18:57:32,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:57" (2/3) ... [2021-11-13 18:57:32,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120454e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:57:32, skipping insertion in model container [2021-11-13 18:57:32,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:57:32" (3/3) ... [2021-11-13 18:57:32,133 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-11-13 18:57:32,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:57:32,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 18:57:32,221 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:57:32,229 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:57:32,230 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 18:57:32,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2021-11-13 18:57:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-13 18:57:32,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:32,389 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:32,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:32,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:32,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1723236249, now seen corresponding path program 1 times [2021-11-13 18:57:32,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:57:32,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820740689] [2021-11-13 18:57:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:32,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:57:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:57:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:57:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:57:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:57:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:57:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:57:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:57:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:57:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:57:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:34,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:57:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:57:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:57:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:57:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:57:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:57:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:57:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:57:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-13 18:57:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-13 18:57:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-13 18:57:35,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:57:35,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820740689] [2021-11-13 18:57:35,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820740689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:57:35,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:57:35,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:57:35,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048937759] [2021-11-13 18:57:35,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:57:35,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:57:35,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:57:35,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:57:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:57:35,470 INFO L87 Difference]: Start difference. First operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 18:57:37,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:39,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:59,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:00,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:00,809 INFO L93 Difference]: Finished difference Result 9681 states and 13957 transitions. [2021-11-13 18:58:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:58:00,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 222 [2021-11-13 18:58:00,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:00,929 INFO L225 Difference]: With dead ends: 9681 [2021-11-13 18:58:00,930 INFO L226 Difference]: Without dead ends: 6276 [2021-11-13 18:58:00,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:58:00,994 INFO L933 BasicCegarLoop]: 5184 mSDtfsCounter, 4827 mSDsluCounter, 5632 mSDsCounter, 0 mSdLazyCounter, 2983 mSolverCounterSat, 2580 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21832.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 10816 SdHoareTripleChecker+Invalid, 5566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 162.82ms SdHoareTripleChecker+Time, 2580 IncrementalHoareTripleChecker+Valid, 2983 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24059.52ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:00,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5595 Valid, 10816 Invalid, 5566 Unknown, 0 Unchecked, 162.82ms Time], IncrementalHoareTripleChecker [2580 Valid, 2983 Invalid, 3 Unknown, 0 Unchecked, 24059.52ms Time] [2021-11-13 18:58:01,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6276 states. [2021-11-13 18:58:01,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6276 to 6019. [2021-11-13 18:58:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6019 states, 4083 states have (on average 1.2500612294881215) internal successors, (5104), 4140 states have internal predecessors, (5104), 1687 states have call successors, (1687), 247 states have call predecessors, (1687), 247 states have return successors, (1687), 1671 states have call predecessors, (1687), 1687 states have call successors, (1687) [2021-11-13 18:58:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2021-11-13 18:58:01,952 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2021-11-13 18:58:01,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:01,958 INFO L470 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2021-11-13 18:58:01,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 18:58:01,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2021-11-13 18:58:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-13 18:58:01,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:01,986 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2021-11-13 18:58:01,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:58:01,987 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:01,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:01,988 INFO L85 PathProgramCache]: Analyzing trace with hash -633129653, now seen corresponding path program 1 times [2021-11-13 18:58:01,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:01,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517885894] [2021-11-13 18:58:01,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:01,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:58:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:58:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:58:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:58:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:58:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:58:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:58:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:58:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:58:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:58:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:58:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:58:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:58:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:58:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:58:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:58:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:58:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 18:58:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:58:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:58:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:58:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:58:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-13 18:58:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-11-13 18:58:03,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:58:03,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517885894] [2021-11-13 18:58:03,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517885894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:03,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:03,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:58:03,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874378739] [2021-11-13 18:58:03,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:03,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:58:03,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:58:03,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:58:03,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:58:03,952 INFO L87 Difference]: Start difference. First operand 6019 states and 8478 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-13 18:58:06,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:08,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:27,995 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 [] [2021-11-13 18:58:28,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:28,328 INFO L93 Difference]: Finished difference Result 15230 states and 21436 transitions. [2021-11-13 18:58:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:58:28,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 243 [2021-11-13 18:58:28,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:28,439 INFO L225 Difference]: With dead ends: 15230 [2021-11-13 18:58:28,439 INFO L226 Difference]: Without dead ends: 9248 [2021-11-13 18:58:28,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:58:28,489 INFO L933 BasicCegarLoop]: 4769 mSDtfsCounter, 4453 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 2866 mSolverCounterSat, 2514 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21380.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5097 SdHoareTripleChecker+Valid, 10179 SdHoareTripleChecker+Invalid, 5383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 105.56ms SdHoareTripleChecker+Time, 2514 IncrementalHoareTripleChecker+Valid, 2866 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23501.83ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:28,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5097 Valid, 10179 Invalid, 5383 Unknown, 0 Unchecked, 105.56ms Time], IncrementalHoareTripleChecker [2514 Valid, 2866 Invalid, 3 Unknown, 0 Unchecked, 23501.83ms Time] [2021-11-13 18:58:28,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9248 states. [2021-11-13 18:58:29,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9248 to 8884. [2021-11-13 18:58:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8884 states, 6004 states have (on average 1.244670219853431) internal successors, (7473), 6091 states have internal predecessors, (7473), 2478 states have call successors, (2478), 396 states have call predecessors, (2478), 400 states have return successors, (2489), 2453 states have call predecessors, (2489), 2478 states have call successors, (2489) [2021-11-13 18:58:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8884 states to 8884 states and 12440 transitions. [2021-11-13 18:58:29,418 INFO L78 Accepts]: Start accepts. Automaton has 8884 states and 12440 transitions. Word has length 243 [2021-11-13 18:58:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:29,421 INFO L470 AbstractCegarLoop]: Abstraction has 8884 states and 12440 transitions. [2021-11-13 18:58:29,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-13 18:58:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 8884 states and 12440 transitions. [2021-11-13 18:58:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-13 18:58:29,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:29,434 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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] [2021-11-13 18:58:29,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:58:29,435 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:29,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:29,436 INFO L85 PathProgramCache]: Analyzing trace with hash -836897965, now seen corresponding path program 1 times [2021-11-13 18:58:29,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:29,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102313332] [2021-11-13 18:58:29,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:29,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:58:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:58:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:58:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:58:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:58:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:58:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:58:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:58:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:58:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:58:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:58:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:58:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:58:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:58:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:58:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:58:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:58:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:58:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 18:58:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 18:58:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 18:58:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 18:58:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:58:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 18:58:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 18:58:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-13 18:58:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-11-13 18:58:31,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:58:31,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102313332] [2021-11-13 18:58:31,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102313332] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:31,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:31,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:58:31,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738298732] [2021-11-13 18:58:31,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:31,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:58:31,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:58:31,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:58:31,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:58:31,341 INFO L87 Difference]: Start difference. First operand 8884 states and 12440 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-13 18:58:33,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:35,759 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:50,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:53,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:53,583 INFO L93 Difference]: Finished difference Result 21386 states and 30024 transitions. [2021-11-13 18:58:53,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:58:53,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2021-11-13 18:58:53,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:53,723 INFO L225 Difference]: With dead ends: 21386 [2021-11-13 18:58:53,723 INFO L226 Difference]: Without dead ends: 12539 [2021-11-13 18:58:53,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:58:53,789 INFO L933 BasicCegarLoop]: 7906 mSDtfsCounter, 3971 mSDsluCounter, 6947 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 1793 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19583.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4717 SdHoareTripleChecker+Valid, 14853 SdHoareTripleChecker+Invalid, 4766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 80.60ms SdHoareTripleChecker+Time, 1793 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21580.22ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:53,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4717 Valid, 14853 Invalid, 4766 Unknown, 0 Unchecked, 80.60ms Time], IncrementalHoareTripleChecker [1793 Valid, 2970 Invalid, 3 Unknown, 0 Unchecked, 21580.22ms Time] [2021-11-13 18:58:53,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12539 states. [2021-11-13 18:58:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12539 to 12061. [2021-11-13 18:58:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12061 states, 8145 states have (on average 1.2423572744014733) internal successors, (10119), 8263 states have internal predecessors, (10119), 3373 states have call successors, (3373), 537 states have call predecessors, (3373), 541 states have return successors, (3387), 3338 states have call predecessors, (3387), 3373 states have call successors, (3387) [2021-11-13 18:58:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 16879 transitions. [2021-11-13 18:58:54,936 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 16879 transitions. Word has length 282 [2021-11-13 18:58:54,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:54,937 INFO L470 AbstractCegarLoop]: Abstraction has 12061 states and 16879 transitions. [2021-11-13 18:58:54,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-13 18:58:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 16879 transitions. [2021-11-13 18:58:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-13 18:58:54,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:54,955 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:58:54,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:58:54,956 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:54,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash -71695693, now seen corresponding path program 1 times [2021-11-13 18:58:54,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:54,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315065903] [2021-11-13 18:58:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:54,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:58:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:58:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:58:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:58:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:58:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:58:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:58:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:58:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:58:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:58:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:58:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:58:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:58:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:58:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:58:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:58:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:58:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:58:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 18:58:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 18:58:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 18:58:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 18:58:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:58:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 18:58:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 18:58:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:58:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:58:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 18:58:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:58:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:58:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:58:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 18:58:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 18:58:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-13 18:58:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-13 18:58:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-13 18:58:57,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:58:57,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315065903] [2021-11-13 18:58:57,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315065903] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:57,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:57,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:58:57,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111614964] [2021-11-13 18:58:57,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:57,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:58:57,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:58:57,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:58:57,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:58:57,276 INFO L87 Difference]: Start difference. First operand 12061 states and 16879 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:58:59,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:01,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:16,333 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 [] [2021-11-13 18:59:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:59:19,321 INFO L93 Difference]: Finished difference Result 27838 states and 39040 transitions. [2021-11-13 18:59:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:19,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2021-11-13 18:59:19,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:59:19,438 INFO L225 Difference]: With dead ends: 27838 [2021-11-13 18:59:19,438 INFO L226 Difference]: Without dead ends: 15814 [2021-11-13 18:59:19,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:59:19,498 INFO L933 BasicCegarLoop]: 7872 mSDtfsCounter, 3973 mSDsluCounter, 6936 mSDsCounter, 0 mSdLazyCounter, 2960 mSolverCounterSat, 1804 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19259.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4717 SdHoareTripleChecker+Valid, 14808 SdHoareTripleChecker+Invalid, 4767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 78.21ms SdHoareTripleChecker+Time, 1804 IncrementalHoareTripleChecker+Valid, 2960 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21305.80ms IncrementalHoareTripleChecker+Time [2021-11-13 18:59:19,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4717 Valid, 14808 Invalid, 4767 Unknown, 0 Unchecked, 78.21ms Time], IncrementalHoareTripleChecker [1804 Valid, 2960 Invalid, 3 Unknown, 0 Unchecked, 21305.80ms Time] [2021-11-13 18:59:19,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15814 states. [2021-11-13 18:59:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15814 to 15226. [2021-11-13 18:59:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15226 states, 10278 states have (on average 1.2411947849776221) internal successors, (12757), 10425 states have internal predecessors, (12757), 4265 states have call successors, (4265), 677 states have call predecessors, (4265), 681 states have return successors, (4279), 4222 states have call predecessors, (4279), 4265 states have call successors, (4279) [2021-11-13 18:59:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15226 states to 15226 states and 21301 transitions. [2021-11-13 18:59:21,177 INFO L78 Accepts]: Start accepts. Automaton has 15226 states and 21301 transitions. Word has length 356 [2021-11-13 18:59:21,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:59:21,183 INFO L470 AbstractCegarLoop]: Abstraction has 15226 states and 21301 transitions. [2021-11-13 18:59:21,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:59:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 15226 states and 21301 transitions. [2021-11-13 18:59:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-13 18:59:21,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:59:21,199 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:59:21,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:59:21,199 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:59:21,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:21,200 INFO L85 PathProgramCache]: Analyzing trace with hash -969088971, now seen corresponding path program 1 times [2021-11-13 18:59:21,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:21,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556463240] [2021-11-13 18:59:21,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:21,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:59:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:59:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:59:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:59:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:59:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:59:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:59:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:59:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:59:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:59:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:59:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:59:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:59:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:59:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:59:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:59:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:59:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:59:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 18:59:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 18:59:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 18:59:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 18:59:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:59:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 18:59:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 18:59:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:59:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:59:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 18:59:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:59:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:59:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 18:59:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 18:59:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-13 18:59:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-13 18:59:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-13 18:59:23,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:23,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556463240] [2021-11-13 18:59:23,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556463240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:23,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:23,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:59:23,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271560553] [2021-11-13 18:59:23,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:23,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:59:23,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:23,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:59:23,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:59:23,333 INFO L87 Difference]: Start difference. First operand 15226 states and 21301 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:59:25,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:27,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:43,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:45,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:59:45,923 INFO L93 Difference]: Finished difference Result 35863 states and 50256 transitions. [2021-11-13 18:59:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:59:45,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 356 [2021-11-13 18:59:45,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:59:46,055 INFO L225 Difference]: With dead ends: 35863 [2021-11-13 18:59:46,056 INFO L226 Difference]: Without dead ends: 20674 [2021-11-13 18:59:46,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:59:46,122 INFO L933 BasicCegarLoop]: 7778 mSDtfsCounter, 4414 mSDsluCounter, 6624 mSDsCounter, 0 mSdLazyCounter, 2933 mSolverCounterSat, 1862 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19555.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5203 SdHoareTripleChecker+Valid, 14402 SdHoareTripleChecker+Invalid, 4798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 70.49ms SdHoareTripleChecker+Time, 1862 IncrementalHoareTripleChecker+Valid, 2933 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21752.15ms IncrementalHoareTripleChecker+Time [2021-11-13 18:59:46,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5203 Valid, 14402 Invalid, 4798 Unknown, 0 Unchecked, 70.49ms Time], IncrementalHoareTripleChecker [1862 Valid, 2933 Invalid, 3 Unknown, 0 Unchecked, 21752.15ms Time] [2021-11-13 18:59:46,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20674 states. [2021-11-13 18:59:47,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20674 to 19834. [2021-11-13 18:59:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19834 states, 13368 states have (on average 1.239751645721125) internal successors, (16573), 13552 states have internal predecessors, (16573), 5563 states have call successors, (5563), 897 states have call predecessors, (5563), 901 states have return successors, (5575), 5512 states have call predecessors, (5575), 5563 states have call successors, (5575) [2021-11-13 18:59:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19834 states to 19834 states and 27711 transitions. [2021-11-13 18:59:48,103 INFO L78 Accepts]: Start accepts. Automaton has 19834 states and 27711 transitions. Word has length 356 [2021-11-13 18:59:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:59:48,104 INFO L470 AbstractCegarLoop]: Abstraction has 19834 states and 27711 transitions. [2021-11-13 18:59:48,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-13 18:59:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand 19834 states and 27711 transitions. [2021-11-13 18:59:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-11-13 18:59:48,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:59:48,127 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 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, 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] [2021-11-13 18:59:48,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:59:48,128 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:59:48,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:48,129 INFO L85 PathProgramCache]: Analyzing trace with hash 462883537, now seen corresponding path program 1 times [2021-11-13 18:59:48,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:48,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698894636] [2021-11-13 18:59:48,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:48,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:59:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:59:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 18:59:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:59:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 18:59:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 18:59:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:59:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:59:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:59:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:59:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 18:59:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 18:59:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 18:59:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 18:59:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 18:59:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:59:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:59:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 18:59:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 18:59:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 18:59:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 18:59:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 18:59:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 18:59:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 18:59:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 18:59:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:59:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:59:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 18:59:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:59:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:59:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 18:59:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 18:59:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 18:59:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 18:59:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 18:59:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:59:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 18:59:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 18:59:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-13 18:59:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-13 18:59:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2021-11-13 18:59:50,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:50,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698894636] [2021-11-13 18:59:50,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698894636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:50,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:50,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:59:50,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440781397] [2021-11-13 18:59:50,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:50,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:59:50,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:50,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:59:50,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:59:50,727 INFO L87 Difference]: Start difference. First operand 19834 states and 27711 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 18:59:53,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:55,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:10,343 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 [] [2021-11-13 19:00:14,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:00:14,723 INFO L93 Difference]: Finished difference Result 43747 states and 61249 transitions. [2021-11-13 19:00:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 19:00:14,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2021-11-13 19:00:14,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:00:14,885 INFO L225 Difference]: With dead ends: 43747 [2021-11-13 19:00:14,886 INFO L226 Difference]: Without dead ends: 23950 [2021-11-13 19:00:14,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 19:00:14,979 INFO L933 BasicCegarLoop]: 6934 mSDtfsCounter, 4106 mSDsluCounter, 6339 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 2009 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20332.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4852 SdHoareTripleChecker+Valid, 13273 SdHoareTripleChecker+Invalid, 4976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 73.56ms SdHoareTripleChecker+Time, 2009 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22880.78ms IncrementalHoareTripleChecker+Time [2021-11-13 19:00:14,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4852 Valid, 13273 Invalid, 4976 Unknown, 0 Unchecked, 73.56ms Time], IncrementalHoareTripleChecker [2009 Valid, 2964 Invalid, 3 Unknown, 0 Unchecked, 22880.78ms Time] [2021-11-13 19:00:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23950 states. [2021-11-13 19:00:17,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23950 to 22998. [2021-11-13 19:00:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22998 states, 15501 states have (on average 1.2393393974582285) internal successors, (19211), 15714 states have internal predecessors, (19211), 6455 states have call successors, (6455), 1036 states have call predecessors, (6455), 1040 states have return successors, (6467), 6396 states have call predecessors, (6467), 6455 states have call successors, (6467) [2021-11-13 19:00:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22998 states to 22998 states and 32133 transitions. [2021-11-13 19:00:17,491 INFO L78 Accepts]: Start accepts. Automaton has 22998 states and 32133 transitions. Word has length 414 [2021-11-13 19:00:17,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:00:17,494 INFO L470 AbstractCegarLoop]: Abstraction has 22998 states and 32133 transitions. [2021-11-13 19:00:17,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 19:00:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 22998 states and 32133 transitions. [2021-11-13 19:00:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-11-13 19:00:17,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:00:17,516 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 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, 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] [2021-11-13 19:00:17,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 19:00:17,517 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:17,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:17,518 INFO L85 PathProgramCache]: Analyzing trace with hash -434509741, now seen corresponding path program 1 times [2021-11-13 19:00:17,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:17,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498948636] [2021-11-13 19:00:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:17,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:00:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:00:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:00:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:00:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:00:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:00:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:00:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:00:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:00:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:00:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:00:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:00:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:00:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:00:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:00:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:00:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:00:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:00:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:00:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:00:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:00:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:00:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:00:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:00:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:00:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:00:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:00:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:00:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:00:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:00:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:00:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:19,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:00:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:20,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:00:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:20,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-13 19:00:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-13 19:00:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2021-11-13 19:00:20,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:20,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498948636] [2021-11-13 19:00:20,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498948636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:20,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:20,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 19:00:20,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367532221] [2021-11-13 19:00:20,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:20,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 19:00:20,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:20,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 19:00:20,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 19:00:20,081 INFO L87 Difference]: Start difference. First operand 22998 states and 32133 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 19:00:22,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:24,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:39,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:44,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:00:44,355 INFO L93 Difference]: Finished difference Result 50219 states and 70303 transitions. [2021-11-13 19:00:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 19:00:44,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 414 [2021-11-13 19:00:44,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:00:44,538 INFO L225 Difference]: With dead ends: 50219 [2021-11-13 19:00:44,539 INFO L226 Difference]: Without dead ends: 27258 [2021-11-13 19:00:44,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 19:00:44,693 INFO L933 BasicCegarLoop]: 7912 mSDtfsCounter, 4006 mSDsluCounter, 6957 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 1792 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20504.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4754 SdHoareTripleChecker+Valid, 14869 SdHoareTripleChecker+Invalid, 4765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 74.13ms SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23143.18ms IncrementalHoareTripleChecker+Time [2021-11-13 19:00:44,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4754 Valid, 14869 Invalid, 4765 Unknown, 0 Unchecked, 74.13ms Time], IncrementalHoareTripleChecker [1792 Valid, 2970 Invalid, 3 Unknown, 0 Unchecked, 23143.18ms Time] [2021-11-13 19:00:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27258 states. [2021-11-13 19:00:46,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27258 to 26192. [2021-11-13 19:00:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26192 states, 17660 states have (on average 1.239127972819932) internal successors, (21883), 17904 states have internal predecessors, (21883), 7349 states have call successors, (7349), 1177 states have call predecessors, (7349), 1181 states have return successors, (7364), 7280 states have call predecessors, (7364), 7349 states have call successors, (7364) [2021-11-13 19:00:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26192 states to 26192 states and 36596 transitions. [2021-11-13 19:00:47,073 INFO L78 Accepts]: Start accepts. Automaton has 26192 states and 36596 transitions. Word has length 414 [2021-11-13 19:00:47,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:00:47,074 INFO L470 AbstractCegarLoop]: Abstraction has 26192 states and 36596 transitions. [2021-11-13 19:00:47,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 19:00:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 26192 states and 36596 transitions. [2021-11-13 19:00:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-11-13 19:00:47,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:00:47,103 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:00:47,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 19:00:47,104 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:00:47,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:00:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1378525407, now seen corresponding path program 1 times [2021-11-13 19:00:47,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:00:47,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481377883] [2021-11-13 19:00:47,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:00:47,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:00:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:00:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:48,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:00:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:00:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:00:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:00:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:00:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:00:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:00:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:00:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:00:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:00:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:00:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:00:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:00:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:00:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:00:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:00:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:00:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:00:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:00:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:00:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:00:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:00:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:00:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:00:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:00:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:00:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:00:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:00:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:00:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:00:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:00:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:00:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:00:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:00:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:00:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:00:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:00:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 19:00:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-13 19:00:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-13 19:00:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:00:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-13 19:00:50,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:00:50,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481377883] [2021-11-13 19:00:50,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481377883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:00:50,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:00:50,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:00:50,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458412539] [2021-11-13 19:00:50,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:00:50,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:00:50,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:00:50,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:00:50,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:00:50,258 INFO L87 Difference]: Start difference. First operand 26192 states and 36596 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:00:52,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:00:54,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:23,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:25,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:27,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:01:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:01:31,716 INFO L93 Difference]: Finished difference Result 58202 states and 81426 transitions. [2021-11-13 19:01:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:01:31,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 455 [2021-11-13 19:01:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:01:31,884 INFO L225 Difference]: With dead ends: 58202 [2021-11-13 19:01:31,884 INFO L226 Difference]: Without dead ends: 32047 [2021-11-13 19:01:32,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:01:32,153 INFO L933 BasicCegarLoop]: 7441 mSDtfsCounter, 4287 mSDsluCounter, 18769 mSDsCounter, 0 mSdLazyCounter, 7021 mSolverCounterSat, 1987 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36161.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5040 SdHoareTripleChecker+Valid, 26210 SdHoareTripleChecker+Invalid, 9013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 158.82ms SdHoareTripleChecker+Time, 1987 IncrementalHoareTripleChecker+Valid, 7021 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40017.13ms IncrementalHoareTripleChecker+Time [2021-11-13 19:01:32,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5040 Valid, 26210 Invalid, 9013 Unknown, 0 Unchecked, 158.82ms Time], IncrementalHoareTripleChecker [1987 Valid, 7021 Invalid, 5 Unknown, 0 Unchecked, 40017.13ms Time] [2021-11-13 19:01:32,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32047 states. [2021-11-13 19:01:34,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32047 to 30781. [2021-11-13 19:01:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30781 states, 20723 states have (on average 1.2379964290884524) internal successors, (25655), 21003 states have internal predecessors, (25655), 8658 states have call successors, (8658), 1393 states have call predecessors, (8658), 1398 states have return successors, (8677), 8579 states have call predecessors, (8677), 8658 states have call successors, (8677) [2021-11-13 19:01:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30781 states to 30781 states and 42990 transitions. [2021-11-13 19:01:34,466 INFO L78 Accepts]: Start accepts. Automaton has 30781 states and 42990 transitions. Word has length 455 [2021-11-13 19:01:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:01:34,467 INFO L470 AbstractCegarLoop]: Abstraction has 30781 states and 42990 transitions. [2021-11-13 19:01:34,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:01:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 30781 states and 42990 transitions. [2021-11-13 19:01:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-11-13 19:01:34,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:01:34,497 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:01:34,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 19:01:34,498 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:01:34,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:01:34,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2046166736, now seen corresponding path program 1 times [2021-11-13 19:01:34,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:01:34,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818913547] [2021-11-13 19:01:34,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:01:34,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:01:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:01:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:01:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:01:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:01:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:01:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:01:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:01:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:01:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:01:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:01:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:01:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:01:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:01:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:01:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:01:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:01:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:01:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:01:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:01:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:01:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:01:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:01:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:01:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:01:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:01:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:01:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:01:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:01:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:01:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:01:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:01:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:01:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:01:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:01:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:01:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:01:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:01:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:01:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:01:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:01:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-13 19:01:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-13 19:01:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-13 19:01:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:01:37,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-13 19:01:37,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:01:37,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818913547] [2021-11-13 19:01:37,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818913547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:01:37,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:01:37,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:01:37,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223344637] [2021-11-13 19:01:37,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:01:37,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:01:37,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:01:37,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:01:37,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:01:37,259 INFO L87 Difference]: Start difference. First operand 30781 states and 42990 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:01:39,530 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 [] [2021-11-13 19:01:41,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:02:07,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:02:09,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:02:11,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:02:17,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:02:19,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:02:22,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:02:22,612 INFO L93 Difference]: Finished difference Result 66079 states and 92427 transitions. [2021-11-13 19:02:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:02:22,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 456 [2021-11-13 19:02:22,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:02:22,766 INFO L225 Difference]: With dead ends: 66079 [2021-11-13 19:02:22,766 INFO L226 Difference]: Without dead ends: 35335 [2021-11-13 19:02:22,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:02:22,857 INFO L933 BasicCegarLoop]: 7916 mSDtfsCounter, 3983 mSDsluCounter, 19788 mSDsCounter, 0 mSdLazyCounter, 7184 mSolverCounterSat, 1787 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39583.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4730 SdHoareTripleChecker+Valid, 27704 SdHoareTripleChecker+Invalid, 8978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 144.94ms SdHoareTripleChecker+Time, 1787 IncrementalHoareTripleChecker+Valid, 7184 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43674.46ms IncrementalHoareTripleChecker+Time [2021-11-13 19:02:22,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4730 Valid, 27704 Invalid, 8978 Unknown, 0 Unchecked, 144.94ms Time], IncrementalHoareTripleChecker [1787 Valid, 7184 Invalid, 7 Unknown, 0 Unchecked, 43674.46ms Time] [2021-11-13 19:02:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35335 states. [2021-11-13 19:02:24,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35335 to 33959. [2021-11-13 19:02:25,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33959 states, 22862 states have (on average 1.2378182136296036) internal successors, (28299), 23171 states have internal predecessors, (28299), 9552 states have call successors, (9552), 1536 states have call predecessors, (9552), 1543 states have return successors, (9573), 9467 states have call predecessors, (9573), 9552 states have call successors, (9573) [2021-11-13 19:02:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33959 states to 33959 states and 47424 transitions. [2021-11-13 19:02:25,183 INFO L78 Accepts]: Start accepts. Automaton has 33959 states and 47424 transitions. Word has length 456 [2021-11-13 19:02:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:02:25,184 INFO L470 AbstractCegarLoop]: Abstraction has 33959 states and 47424 transitions. [2021-11-13 19:02:25,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:02:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 33959 states and 47424 transitions. [2021-11-13 19:02:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-11-13 19:02:25,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:02:25,205 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:02:25,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 19:02:25,205 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:02:25,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:02:25,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1568002466, now seen corresponding path program 1 times [2021-11-13 19:02:25,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:02:25,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358433781] [2021-11-13 19:02:25,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:02:25,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:02:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:02:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:02:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:02:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:02:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:02:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:02:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:02:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:02:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:02:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:02:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:02:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:02:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:02:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:02:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:02:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:02:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:02:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:02:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:02:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:02:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:02:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:02:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:02:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:02:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:02:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:02:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:02:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:02:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:02:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:02:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:02:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:02:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:02:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:02:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:02:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:02:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:02:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:02:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:02:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:02:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-13 19:02:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-13 19:02:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-13 19:02:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:02:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-13 19:02:27,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:02:27,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358433781] [2021-11-13 19:02:27,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358433781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:02:27,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:02:27,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:02:27,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698798876] [2021-11-13 19:02:27,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:02:27,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:02:27,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:02:27,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:02:27,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:02:27,909 INFO L87 Difference]: Start difference. First operand 33959 states and 47424 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:02:30,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:02:32,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:00,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:02,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:04,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:08,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:10,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:03:10,838 INFO L93 Difference]: Finished difference Result 73398 states and 102667 transitions. [2021-11-13 19:03:10,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:03:10,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 457 [2021-11-13 19:03:10,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:03:11,198 INFO L225 Difference]: With dead ends: 73398 [2021-11-13 19:03:11,198 INFO L226 Difference]: Without dead ends: 39476 [2021-11-13 19:03:11,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:03:11,297 INFO L933 BasicCegarLoop]: 7926 mSDtfsCounter, 3996 mSDsluCounter, 19773 mSDsCounter, 0 mSdLazyCounter, 7210 mSolverCounterSat, 1785 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37266.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4745 SdHoareTripleChecker+Valid, 27699 SdHoareTripleChecker+Invalid, 9000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 141.31ms SdHoareTripleChecker+Time, 1785 IncrementalHoareTripleChecker+Valid, 7210 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41297.16ms IncrementalHoareTripleChecker+Time [2021-11-13 19:03:11,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4745 Valid, 27699 Invalid, 9000 Unknown, 0 Unchecked, 141.31ms Time], IncrementalHoareTripleChecker [1785 Valid, 7210 Invalid, 5 Unknown, 0 Unchecked, 41297.16ms Time] [2021-11-13 19:03:11,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39476 states. [2021-11-13 19:03:13,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39476 to 37986. [2021-11-13 19:03:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37986 states, 25558 states have (on average 1.237381641756006) internal successors, (31625), 25898 states have internal predecessors, (31625), 10705 states have call successors, (10705), 1712 states have call predecessors, (10705), 1721 states have return successors, (10728), 10613 states have call predecessors, (10728), 10705 states have call successors, (10728) [2021-11-13 19:03:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37986 states to 37986 states and 53058 transitions. [2021-11-13 19:03:13,843 INFO L78 Accepts]: Start accepts. Automaton has 37986 states and 53058 transitions. Word has length 457 [2021-11-13 19:03:13,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:03:13,845 INFO L470 AbstractCegarLoop]: Abstraction has 37986 states and 53058 transitions. [2021-11-13 19:03:13,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:03:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 37986 states and 53058 transitions. [2021-11-13 19:03:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-13 19:03:13,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:03:13,869 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:03:13,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 19:03:13,869 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:03:13,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:03:13,870 INFO L85 PathProgramCache]: Analyzing trace with hash 48573971, now seen corresponding path program 1 times [2021-11-13 19:03:13,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:03:13,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149002304] [2021-11-13 19:03:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:03:13,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:03:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:03:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:03:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:03:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:03:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:03:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:03:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:03:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:03:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:03:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:03:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:03:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:03:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:03:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:03:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:03:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:03:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:03:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:03:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:03:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:03:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:03:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:03:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:03:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:03:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:03:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:03:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:03:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:03:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:03:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:03:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:03:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:03:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:03:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:03:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:03:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:03:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:03:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:03:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:03:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:03:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-13 19:03:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 19:03:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-13 19:03:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:03:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-13 19:03:16,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:03:16,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149002304] [2021-11-13 19:03:16,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149002304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:03:16,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:03:16,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:03:16,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590283433] [2021-11-13 19:03:16,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:03:16,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:03:16,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:03:16,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:03:16,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:03:16,395 INFO L87 Difference]: Start difference. First operand 37986 states and 53058 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:03:18,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:20,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:46,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:49,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:51,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:57,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:03:59,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:04:01,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:04:01,730 INFO L93 Difference]: Finished difference Result 81242 states and 113629 transitions. [2021-11-13 19:04:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:04:01,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 458 [2021-11-13 19:04:01,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:04:02,080 INFO L225 Difference]: With dead ends: 81242 [2021-11-13 19:04:02,080 INFO L226 Difference]: Without dead ends: 43293 [2021-11-13 19:04:02,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:04:02,195 INFO L933 BasicCegarLoop]: 7875 mSDtfsCounter, 4062 mSDsluCounter, 19776 mSDsCounter, 0 mSdLazyCounter, 7177 mSolverCounterSat, 1830 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39181.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4810 SdHoareTripleChecker+Valid, 27651 SdHoareTripleChecker+Invalid, 9014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 277.93ms SdHoareTripleChecker+Time, 1830 IncrementalHoareTripleChecker+Valid, 7177 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43477.44ms IncrementalHoareTripleChecker+Time [2021-11-13 19:04:02,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4810 Valid, 27651 Invalid, 9014 Unknown, 0 Unchecked, 277.93ms Time], IncrementalHoareTripleChecker [1830 Valid, 7177 Invalid, 7 Unknown, 0 Unchecked, 43477.44ms Time] [2021-11-13 19:04:02,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43293 states. [2021-11-13 19:04:05,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43293 to 41627. [2021-11-13 19:04:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41627 states, 28023 states have (on average 1.2373764407807872) internal successors, (34675), 28394 states have internal predecessors, (34675), 11708 states have call successors, (11708), 1883 states have call predecessors, (11708), 1894 states have return successors, (11733), 11610 states have call predecessors, (11733), 11708 states have call successors, (11733) [2021-11-13 19:04:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41627 states to 41627 states and 58116 transitions. [2021-11-13 19:04:06,381 INFO L78 Accepts]: Start accepts. Automaton has 41627 states and 58116 transitions. Word has length 458 [2021-11-13 19:04:06,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:04:06,383 INFO L470 AbstractCegarLoop]: Abstraction has 41627 states and 58116 transitions. [2021-11-13 19:04:06,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:04:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 41627 states and 58116 transitions. [2021-11-13 19:04:06,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-11-13 19:04:06,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:04:06,403 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:04:06,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 19:04:06,403 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:04:06,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:04:06,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1698593179, now seen corresponding path program 1 times [2021-11-13 19:04:06,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:04:06,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835513358] [2021-11-13 19:04:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:04:06,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:04:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:04:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:04:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:04:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:04:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:04:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:04:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:04:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:04:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:04:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:04:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:04:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:04:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:04:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:04:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:04:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:04:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:04:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:04:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:04:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:04:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:04:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:04:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:04:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:04:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:04:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:04:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:04:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:04:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:04:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:04:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:04:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:04:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:04:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:04:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:04:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:04:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:04:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:04:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:04:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-13 19:04:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-13 19:04:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-13 19:04:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-11-13 19:04:08,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:04:08,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835513358] [2021-11-13 19:04:08,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835513358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:04:08,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:04:08,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:04:08,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931356798] [2021-11-13 19:04:08,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:04:08,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:04:08,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:04:08,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:04:08,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:04:08,868 INFO L87 Difference]: Start difference. First operand 41627 states and 58116 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 4 states have internal predecessors, (141), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:04:11,122 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 [] [2021-11-13 19:04:13,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:04:40,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:04:42,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:04:44,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:04:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:04:50,413 INFO L93 Difference]: Finished difference Result 88884 states and 124315 transitions. [2021-11-13 19:04:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 19:04:50,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 4 states have internal predecessors, (141), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 459 [2021-11-13 19:04:50,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:04:50,663 INFO L225 Difference]: With dead ends: 88884 [2021-11-13 19:04:50,664 INFO L226 Difference]: Without dead ends: 47294 [2021-11-13 19:04:50,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:04:50,802 INFO L933 BasicCegarLoop]: 7926 mSDtfsCounter, 4055 mSDsluCounter, 19762 mSDsCounter, 0 mSdLazyCounter, 7233 mSolverCounterSat, 1795 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35301.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4809 SdHoareTripleChecker+Valid, 27688 SdHoareTripleChecker+Invalid, 9033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 134.32ms SdHoareTripleChecker+Time, 1795 IncrementalHoareTripleChecker+Valid, 7233 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39629.77ms IncrementalHoareTripleChecker+Time [2021-11-13 19:04:50,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4809 Valid, 27688 Invalid, 9033 Unknown, 0 Unchecked, 134.32ms Time], IncrementalHoareTripleChecker [1795 Valid, 7233 Invalid, 5 Unknown, 0 Unchecked, 39629.77ms Time] [2021-11-13 19:04:50,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47294 states. [2021-11-13 19:04:53,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47294 to 45514. [2021-11-13 19:04:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45514 states, 30634 states have (on average 1.2372853691976236) internal successors, (37903), 31035 states have internal predecessors, (37903), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12848), 12717 states have call predecessors, (12848), 12823 states have call successors, (12848) [2021-11-13 19:04:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45514 states to 45514 states and 63574 transitions. [2021-11-13 19:04:53,488 INFO L78 Accepts]: Start accepts. Automaton has 45514 states and 63574 transitions. Word has length 459 [2021-11-13 19:04:53,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:04:53,489 INFO L470 AbstractCegarLoop]: Abstraction has 45514 states and 63574 transitions. [2021-11-13 19:04:53,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 4 states have internal predecessors, (141), 3 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 19:04:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 45514 states and 63574 transitions. [2021-11-13 19:04:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-11-13 19:04:53,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:04:53,509 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:04:53,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-13 19:04:53,510 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:04:53,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:04:53,510 INFO L85 PathProgramCache]: Analyzing trace with hash 322137576, now seen corresponding path program 1 times [2021-11-13 19:04:53,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:04:53,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910284204] [2021-11-13 19:04:53,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:04:53,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:04:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:04:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:04:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:04:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:04:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:04:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:04:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:04:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:04:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:04:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:04:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:04:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:04:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:04:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:04:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:04:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:04:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:04:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:04:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:04:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:04:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:04:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:04:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:04:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:04:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:04:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:04:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:04:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:04:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:04:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:04:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:04:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:04:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:04:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:04:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:04:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:04:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:04:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:04:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:04:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:04:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 19:04:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-13 19:04:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 19:04:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-13 19:04:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:04:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-11-13 19:04:55,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:04:55,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910284204] [2021-11-13 19:04:55,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910284204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:04:55,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:04:55,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 19:04:55,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438786146] [2021-11-13 19:04:55,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:04:55,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 19:04:55,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:04:55,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 19:04:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 19:04:55,691 INFO L87 Difference]: Start difference. First operand 45514 states and 63574 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:04:57,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:05:00,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:05:16,467 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 [] [2021-11-13 19:05:19,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:05:19,138 INFO L93 Difference]: Finished difference Result 92761 states and 130115 transitions. [2021-11-13 19:05:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:05:19,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 462 [2021-11-13 19:05:19,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:05:19,580 INFO L225 Difference]: With dead ends: 92761 [2021-11-13 19:05:19,581 INFO L226 Difference]: Without dead ends: 47284 [2021-11-13 19:05:19,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:05:19,779 INFO L933 BasicCegarLoop]: 4348 mSDtfsCounter, 4580 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3657 mSolverCounterSat, 1844 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19221.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5114 SdHoareTripleChecker+Valid, 8279 SdHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.24ms SdHoareTripleChecker+Time, 1844 IncrementalHoareTripleChecker+Valid, 3657 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21751.46ms IncrementalHoareTripleChecker+Time [2021-11-13 19:05:19,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5114 Valid, 8279 Invalid, 5504 Unknown, 0 Unchecked, 57.24ms Time], IncrementalHoareTripleChecker [1844 Valid, 3657 Invalid, 3 Unknown, 0 Unchecked, 21751.46ms Time] [2021-11-13 19:05:19,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47284 states. [2021-11-13 19:05:22,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47284 to 45514. [2021-11-13 19:05:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45514 states, 30634 states have (on average 1.2367630737089508) internal successors, (37887), 31035 states have internal predecessors, (37887), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12848), 12717 states have call predecessors, (12848), 12823 states have call successors, (12848) [2021-11-13 19:05:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45514 states to 45514 states and 63558 transitions. [2021-11-13 19:05:22,939 INFO L78 Accepts]: Start accepts. Automaton has 45514 states and 63558 transitions. Word has length 462 [2021-11-13 19:05:22,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:05:22,940 INFO L470 AbstractCegarLoop]: Abstraction has 45514 states and 63558 transitions. [2021-11-13 19:05:22,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:05:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 45514 states and 63558 transitions. [2021-11-13 19:05:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-11-13 19:05:22,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:05:22,957 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:05:22,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-13 19:05:22,957 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:05:22,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:05:22,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1811702511, now seen corresponding path program 1 times [2021-11-13 19:05:22,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:05:22,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680538026] [2021-11-13 19:05:22,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:05:22,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:05:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:05:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:23,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:05:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:05:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:05:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:05:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:05:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:05:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:05:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:05:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:05:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:05:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:05:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:05:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:05:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:05:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:05:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:05:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:05:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:05:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:05:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:05:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:05:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:05:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:05:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:05:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:05:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:05:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:05:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:05:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:05:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:05:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:05:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:05:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:05:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:05:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:05:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:05:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:05:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:05:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 19:05:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-13 19:05:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 19:05:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-13 19:05:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-11-13 19:05:25,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:05:25,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680538026] [2021-11-13 19:05:25,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680538026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:05:25,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:05:25,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:05:25,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113737156] [2021-11-13 19:05:25,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:05:25,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:05:25,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:05:25,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:05:25,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:05:25,079 INFO L87 Difference]: Start difference. First operand 45514 states and 63558 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:05:27,310 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 [] [2021-11-13 19:05:29,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:05:48,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:05:51,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:05:51,726 INFO L93 Difference]: Finished difference Result 92761 states and 130083 transitions. [2021-11-13 19:05:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:05:51,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 463 [2021-11-13 19:05:51,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:05:52,113 INFO L225 Difference]: With dead ends: 92761 [2021-11-13 19:05:52,113 INFO L226 Difference]: Without dead ends: 47284 [2021-11-13 19:05:52,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:05:52,284 INFO L933 BasicCegarLoop]: 4350 mSDtfsCounter, 6738 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 3658 mSolverCounterSat, 5081 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21518.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6738 SdHoareTripleChecker+Valid, 8283 SdHoareTripleChecker+Invalid, 8742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.39ms SdHoareTripleChecker+Time, 5081 IncrementalHoareTripleChecker+Valid, 3658 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24383.02ms IncrementalHoareTripleChecker+Time [2021-11-13 19:05:52,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6738 Valid, 8283 Invalid, 8742 Unknown, 0 Unchecked, 68.39ms Time], IncrementalHoareTripleChecker [5081 Valid, 3658 Invalid, 3 Unknown, 0 Unchecked, 24383.02ms Time] [2021-11-13 19:05:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47284 states. [2021-11-13 19:05:55,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47284 to 45514. [2021-11-13 19:05:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45514 states, 30634 states have (on average 1.2362407782202782) internal successors, (37871), 31035 states have internal predecessors, (37871), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12848), 12717 states have call predecessors, (12848), 12823 states have call successors, (12848) [2021-11-13 19:05:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45514 states to 45514 states and 63542 transitions. [2021-11-13 19:05:55,663 INFO L78 Accepts]: Start accepts. Automaton has 45514 states and 63542 transitions. Word has length 463 [2021-11-13 19:05:55,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:05:55,664 INFO L470 AbstractCegarLoop]: Abstraction has 45514 states and 63542 transitions. [2021-11-13 19:05:55,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:05:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 45514 states and 63542 transitions. [2021-11-13 19:05:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-11-13 19:05:55,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:05:55,676 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:05:55,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-13 19:05:55,676 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:05:55,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:05:55,677 INFO L85 PathProgramCache]: Analyzing trace with hash 858091844, now seen corresponding path program 1 times [2021-11-13 19:05:55,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:05:55,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121462137] [2021-11-13 19:05:55,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:05:55,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:05:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:05:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:05:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:05:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:05:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:05:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:05:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:05:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:05:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:05:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:05:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:05:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:05:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:05:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:05:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:05:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:05:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:05:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:05:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:05:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:05:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:05:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:05:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:05:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:05:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:05:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:05:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:05:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:05:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:05:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:05:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:05:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:05:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:05:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:05:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:05:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:05:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:05:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:05:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:05:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:05:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 19:05:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-13 19:05:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 19:05:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-13 19:05:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:05:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-11-13 19:05:57,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:05:57,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121462137] [2021-11-13 19:05:57,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121462137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:05:57,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:05:57,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:05:57,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459105373] [2021-11-13 19:05:57,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:05:57,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:05:57,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:05:57,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:05:57,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:05:57,955 INFO L87 Difference]: Start difference. First operand 45514 states and 63542 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:06:00,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:06:02,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:06:20,972 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 [] [2021-11-13 19:06:24,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:06:24,112 INFO L93 Difference]: Finished difference Result 92761 states and 130051 transitions. [2021-11-13 19:06:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:24,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 464 [2021-11-13 19:06:24,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:06:24,354 INFO L225 Difference]: With dead ends: 92761 [2021-11-13 19:06:24,355 INFO L226 Difference]: Without dead ends: 47284 [2021-11-13 19:06:24,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:06:24,536 INFO L933 BasicCegarLoop]: 4345 mSDtfsCounter, 6740 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3656 mSolverCounterSat, 5085 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21190.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6740 SdHoareTripleChecker+Valid, 8276 SdHoareTripleChecker+Invalid, 8744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 65.83ms SdHoareTripleChecker+Time, 5085 IncrementalHoareTripleChecker+Valid, 3656 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24037.49ms IncrementalHoareTripleChecker+Time [2021-11-13 19:06:24,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6740 Valid, 8276 Invalid, 8744 Unknown, 0 Unchecked, 65.83ms Time], IncrementalHoareTripleChecker [5085 Valid, 3656 Invalid, 3 Unknown, 0 Unchecked, 24037.49ms Time] [2021-11-13 19:06:24,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47284 states. [2021-11-13 19:06:27,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47284 to 45514. [2021-11-13 19:06:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45514 states, 30634 states have (on average 1.2357184827316054) internal successors, (37855), 31035 states have internal predecessors, (37855), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12848), 12717 states have call predecessors, (12848), 12823 states have call successors, (12848) [2021-11-13 19:06:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45514 states to 45514 states and 63526 transitions. [2021-11-13 19:06:27,776 INFO L78 Accepts]: Start accepts. Automaton has 45514 states and 63526 transitions. Word has length 464 [2021-11-13 19:06:27,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:06:27,777 INFO L470 AbstractCegarLoop]: Abstraction has 45514 states and 63526 transitions. [2021-11-13 19:06:27,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:06:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand 45514 states and 63526 transitions. [2021-11-13 19:06:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-11-13 19:06:27,789 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:06:27,790 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:06:27,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-13 19:06:27,790 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:06:27,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:27,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1475448843, now seen corresponding path program 1 times [2021-11-13 19:06:27,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:27,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926986943] [2021-11-13 19:06:27,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:27,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:06:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:06:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:06:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:06:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:06:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:06:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:06:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:06:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:06:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:06:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:06:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:06:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:06:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:06:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:06:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:06:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:06:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:06:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:06:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:06:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:06:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:06:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:06:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:06:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:06:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:06:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:06:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:06:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:06:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:06:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:06:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:06:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:06:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:06:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:06:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:06:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:06:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:06:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:06:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:06:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 19:06:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-13 19:06:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 19:06:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-13 19:06:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:06:29,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-11-13 19:06:29,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:06:29,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926986943] [2021-11-13 19:06:29,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926986943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:06:29,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:06:29,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:06:29,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119797573] [2021-11-13 19:06:29,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:06:29,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:06:29,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:06:29,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:06:29,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:06:29,841 INFO L87 Difference]: Start difference. First operand 45514 states and 63526 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:06:32,075 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 [] [2021-11-13 19:06:34,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:06:52,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:06:55,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:06:55,950 INFO L93 Difference]: Finished difference Result 92761 states and 130019 transitions. [2021-11-13 19:06:55,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 19:06:55,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 465 [2021-11-13 19:06:55,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:06:56,189 INFO L225 Difference]: With dead ends: 92761 [2021-11-13 19:06:56,189 INFO L226 Difference]: Without dead ends: 47284 [2021-11-13 19:06:56,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 19:06:56,632 INFO L933 BasicCegarLoop]: 4343 mSDtfsCounter, 6736 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 3654 mSolverCounterSat, 5087 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20854.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6736 SdHoareTripleChecker+Valid, 8273 SdHoareTripleChecker+Invalid, 8744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 58.96ms SdHoareTripleChecker+Time, 5087 IncrementalHoareTripleChecker+Valid, 3654 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23605.59ms IncrementalHoareTripleChecker+Time [2021-11-13 19:06:56,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6736 Valid, 8273 Invalid, 8744 Unknown, 0 Unchecked, 58.96ms Time], IncrementalHoareTripleChecker [5087 Valid, 3654 Invalid, 3 Unknown, 0 Unchecked, 23605.59ms Time] [2021-11-13 19:06:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47284 states. [2021-11-13 19:06:59,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47284 to 45514. [2021-11-13 19:06:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45514 states, 30634 states have (on average 1.2351961872429327) internal successors, (37839), 31035 states have internal predecessors, (37839), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12848), 12717 states have call predecessors, (12848), 12823 states have call successors, (12848) [2021-11-13 19:06:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45514 states to 45514 states and 63510 transitions. [2021-11-13 19:06:59,780 INFO L78 Accepts]: Start accepts. Automaton has 45514 states and 63510 transitions. Word has length 465 [2021-11-13 19:06:59,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:06:59,781 INFO L470 AbstractCegarLoop]: Abstraction has 45514 states and 63510 transitions. [2021-11-13 19:06:59,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:06:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 45514 states and 63510 transitions. [2021-11-13 19:06:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-11-13 19:06:59,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:06:59,791 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:06:59,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-13 19:06:59,791 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:06:59,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash -746804064, now seen corresponding path program 1 times [2021-11-13 19:06:59,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:59,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83869832] [2021-11-13 19:06:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:59,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:07:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:07:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:07:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:07:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:07:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:07:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:07:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 19:07:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 19:07:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 19:07:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 19:07:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-13 19:07:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-13 19:07:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-13 19:07:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-13 19:07:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-13 19:07:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 19:07:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 19:07:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-13 19:07:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 19:07:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 19:07:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 19:07:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 19:07:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-13 19:07:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 19:07:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-13 19:07:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:07:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:07:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-13 19:07:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 19:07:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 19:07:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-13 19:07:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-13 19:07:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-13 19:07:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-13 19:07:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-13 19:07:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-13 19:07:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-13 19:07:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-13 19:07:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-13 19:07:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-13 19:07:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-13 19:07:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-13 19:07:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-13 19:07:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-11-13 19:07:01,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:07:01,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83869832] [2021-11-13 19:07:01,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83869832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:07:01,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:07:01,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 19:07:01,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607640190] [2021-11-13 19:07:01,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:07:01,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 19:07:01,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:07:01,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 19:07:01,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 19:07:01,606 INFO L87 Difference]: Start difference. First operand 45514 states and 63510 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:07:03,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:07:05,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:07:38,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:07:43,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 19:07:45,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 19:07:45,921 INFO L93 Difference]: Finished difference Result 103893 states and 145345 transitions. [2021-11-13 19:07:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 19:07:45,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 466 [2021-11-13 19:07:45,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 19:07:46,149 INFO L225 Difference]: With dead ends: 103893 [2021-11-13 19:07:46,149 INFO L226 Difference]: Without dead ends: 58416 [2021-11-13 19:07:46,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-13 19:07:46,283 INFO L933 BasicCegarLoop]: 6376 mSDtfsCounter, 8013 mSDsluCounter, 6754 mSDsCounter, 0 mSdLazyCounter, 7813 mSolverCounterSat, 5695 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35907.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8347 SdHoareTripleChecker+Valid, 13130 SdHoareTripleChecker+Invalid, 13512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 101.29ms SdHoareTripleChecker+Time, 5695 IncrementalHoareTripleChecker+Valid, 7813 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40912.37ms IncrementalHoareTripleChecker+Time [2021-11-13 19:07:46,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8347 Valid, 13130 Invalid, 13512 Unknown, 0 Unchecked, 101.29ms Time], IncrementalHoareTripleChecker [5695 Valid, 7813 Invalid, 4 Unknown, 0 Unchecked, 40912.37ms Time] [2021-11-13 19:07:46,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58416 states. [2021-11-13 19:07:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58416 to 56440. [2021-11-13 19:07:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56440 states, 37846 states have (on average 1.2296411774031601) internal successors, (46537), 38356 states have internal predecessors, (46537), 15952 states have call successors, (15952), 2624 states have call predecessors, (15952), 2640 states have return successors, (16023), 15804 states have call predecessors, (16023), 15952 states have call successors, (16023) [2021-11-13 19:07:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56440 states to 56440 states and 78512 transitions. [2021-11-13 19:07:50,052 INFO L78 Accepts]: Start accepts. Automaton has 56440 states and 78512 transitions. Word has length 466 [2021-11-13 19:07:50,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 19:07:50,053 INFO L470 AbstractCegarLoop]: Abstraction has 56440 states and 78512 transitions. [2021-11-13 19:07:50,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 19:07:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 56440 states and 78512 transitions. [2021-11-13 19:07:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-13 19:07:50,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 19:07:50,064 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 19:07:50,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-13 19:07:50,065 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:07:50,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:07:50,065 INFO L85 PathProgramCache]: Analyzing trace with hash -802650841, now seen corresponding path program 1 times [2021-11-13 19:07:50,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:07:50,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084176379] [2021-11-13 19:07:50,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:07:50,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:07:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 19:07:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 19:07:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-13 19:07:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 19:07:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-13 19:07:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-13 19:07:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:07:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 19:07:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat