./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/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_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:05:58,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:05:58,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:05:58,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:05:58,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:05:58,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:05:58,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:05:58,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:05:58,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:05:58,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:05:58,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:05:58,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:05:58,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:05:58,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:05:58,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:05:58,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:05:58,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:05:58,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:05:58,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:05:58,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:05:58,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:05:58,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:05:58,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:05:58,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:05:58,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:05:58,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:05:58,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:05:58,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:05:58,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:05:58,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:05:58,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:05:58,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:05:58,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:05:58,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:05:58,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:05:58,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:05:58,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:05:58,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:05:58,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:05:58,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:05:58,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:05:58,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:05:58,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:05:58,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:05:58,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:05:58,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:05:58,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:05:58,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:05:58,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:05:58,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:05:58,471 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:05:58,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:05:58,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:05:58,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:05:58,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:05:58,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:05:58,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:05:58,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:05:58,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:05:58,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:05:58,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:05:58,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:05:58,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:05:58,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:05:58,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:05:58,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:05:58,475 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_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2021-12-07 00:05:58,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:05:58,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:05:58,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:05:58,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:05:58,687 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:05:58,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-07 00:05:58,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/data/764fca2cd/7ef7656bdd044ba9a4671d3da8ef1698/FLAG265618e07 [2021-12-07 00:05:59,465 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:05:59,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-07 00:05:59,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/data/764fca2cd/7ef7656bdd044ba9a4671d3da8ef1698/FLAG265618e07 [2021-12-07 00:05:59,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/data/764fca2cd/7ef7656bdd044ba9a4671d3da8ef1698 [2021-12-07 00:05:59,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:05:59,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:05:59,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:05:59,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:05:59,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:05:59,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:05:59" (1/1) ... [2021-12-07 00:05:59,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f378f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:05:59, skipping insertion in model container [2021-12-07 00:05:59,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:05:59" (1/1) ... [2021-12-07 00:05:59,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:05:59,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:06:03,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-12-07 00:06:03,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-12-07 00:06:03,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:06:03,624 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:06:04,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-12-07 00:06:04,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-12-07 00:06:04,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:06:04,298 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:06:04,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04 WrapperNode [2021-12-07 00:06:04,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:06:04,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:06:04,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:06:04,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:06:04,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,667 INFO L137 Inliner]: procedures = 586, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 12111 [2021-12-07 00:06:04,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:06:04,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:06:04,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:06:04,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:06:04,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:04,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:05,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:05,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:06:05,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:06:05,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:06:05,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:06:05,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (1/1) ... [2021-12-07 00:06:05,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:06:05,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:06:05,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:06:05,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e840b4-7a5f-49b5-94c3-b444acb54d17/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 00:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 00:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-07 00:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-07 00:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-07 00:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-07 00:06:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:06:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-07 00:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-07 00:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 00:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-07 00:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 00:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-07 00:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-07 00:06:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-07 00:06:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-07 00:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-07 00:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-07 00:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-07 00:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-07 00:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-07 00:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-07 00:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-07 00:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-07 00:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-07 00:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 00:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 00:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 00:06:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 00:06:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 00:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 00:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 00:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 00:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-07 00:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-07 00:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 00:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 00:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 00:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 00:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-07 00:06:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-07 00:06:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-07 00:06:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-07 00:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 00:06:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 00:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-07 00:06:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-07 00:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 00:06:05,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 00:06:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-07 00:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-07 00:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-07 00:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-07 00:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 00:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 00:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-07 00:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-07 00:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 00:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 00:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-07 00:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-07 00:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-07 00:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-07 00:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-07 00:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-07 00:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 00:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 00:06:05,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-07 00:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-07 00:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 00:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 00:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 00:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 00:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-07 00:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-07 00:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 00:06:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 00:06:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 00:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 00:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-07 00:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-07 00:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-07 00:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-07 00:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-07 00:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-07 00:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-07 00:06:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-07 00:06:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-07 00:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-07 00:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-07 00:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-07 00:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-07 00:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-07 00:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-07 00:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-07 00:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 00:06:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 00:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:06:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 00:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 00:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 00:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 00:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:06:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-07 00:06:05,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-07 00:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-07 00:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-07 00:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-07 00:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-07 00:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-07 00:06:05,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-07 00:06:05,169 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-07 00:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-07 00:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 00:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 00:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-07 00:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-07 00:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-07 00:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-07 00:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-07 00:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-07 00:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 00:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 00:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 00:06:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 00:06:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:06:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-07 00:06:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 00:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 00:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 00:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-07 00:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 00:06:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 00:06:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-07 00:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-07 00:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 00:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 00:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-07 00:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-07 00:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-07 00:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-07 00:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-07 00:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-07 00:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 00:06:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 00:06:05,173 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 00:06:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 00:06:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 00:06:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 00:06:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-07 00:06:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-07 00:06:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:06:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-07 00:06:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-07 00:06:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 00:06:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 00:06:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:06:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-07 00:06:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 00:06:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:06:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:06:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:06:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-07 00:06:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-07 00:06:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:06:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:06:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-07 00:06:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-07 00:06:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 00:06:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 00:06:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-07 00:06:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-07 00:06:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 00:06:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 00:06:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-07 00:06:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-07 00:06:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-07 00:06:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-07 00:06:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-07 00:06:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-07 00:06:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-07 00:06:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-07 00:06:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-07 00:06:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-07 00:06:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-07 00:06:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-07 00:06:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-07 00:06:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-07 00:06:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-07 00:06:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-07 00:06:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-07 00:06:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-07 00:06:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 00:06:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 00:06:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-07 00:06:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-07 00:06:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:06:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:06:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-07 00:06:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-07 00:06:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 00:06:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 00:06:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:06:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 00:06:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 00:06:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-07 00:06:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-07 00:06:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-07 00:06:05,854 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:06:05,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:06:06,077 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:06:31,611 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-07 00:06:31,857 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:06:31,880 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:06:31,880 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:06:31,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:31 BoogieIcfgContainer [2021-12-07 00:06:31,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:06:31,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:06:31,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:06:31,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:06:31,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:05:59" (1/3) ... [2021-12-07 00:06:31,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee150a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:31, skipping insertion in model container [2021-12-07 00:06:31,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:04" (2/3) ... [2021-12-07 00:06:31,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee150a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:31, skipping insertion in model container [2021-12-07 00:06:31,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:31" (3/3) ... [2021-12-07 00:06:31,890 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-07 00:06:31,894 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:06:31,894 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-07 00:06:31,952 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:06:31,957 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:06:31,957 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 00:06:32,025 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) [2021-12-07 00:06:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-07 00:06:32,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:06:32,046 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] [2021-12-07 00:06:32,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:06:32,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:32,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1723236249, now seen corresponding path program 1 times [2021-12-07 00:06:32,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:06:32,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044774703] [2021-12-07 00:06:32,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:06:32,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:06:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:06:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:06:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:06:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:06:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:06:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:06:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:06:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:06:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:06:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:06:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:06:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:06:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:06:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:06:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:06:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:06:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:32,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:06:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-07 00:06:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 00:06:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-07 00:06:33,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:06:33,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044774703] [2021-12-07 00:06:33,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044774703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:06:33,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:06:33,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:06:33,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111527258] [2021-12-07 00:06:33,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:06:33,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:06:33,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:06:33,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:06:33,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:06:33,061 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) [2021-12-07 00:06:44,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:06:45,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:06:45,728 INFO L93 Difference]: Finished difference Result 9681 states and 13957 transitions. [2021-12-07 00:06:45,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:06:45,730 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 [2021-12-07 00:06:45,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:06:45,787 INFO L225 Difference]: With dead ends: 9681 [2021-12-07 00:06:45,787 INFO L226 Difference]: Without dead ends: 6276 [2021-12-07 00:06:45,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:06:45,822 INFO L933 BasicCegarLoop]: 5183 mSDtfsCounter, 4827 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 2580 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5594 SdHoareTripleChecker+Valid, 10812 SdHoareTripleChecker+Invalid, 5566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2580 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:06:45,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5594 Valid, 10812 Invalid, 5566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2580 Valid, 2985 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2021-12-07 00:06:45,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6276 states. [2021-12-07 00:06:46,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6276 to 6019. [2021-12-07 00:06:46,314 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) [2021-12-07 00:06:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2021-12-07 00:06:46,366 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2021-12-07 00:06:46,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:06:46,368 INFO L470 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2021-12-07 00:06:46,368 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) [2021-12-07 00:06:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2021-12-07 00:06:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-07 00:06:46,377 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:06:46,377 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] [2021-12-07 00:06:46,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:06:46,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:06:46,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:46,378 INFO L85 PathProgramCache]: Analyzing trace with hash -633129653, now seen corresponding path program 1 times [2021-12-07 00:06:46,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:06:46,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199143126] [2021-12-07 00:06:46,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:06:46,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:06:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:06:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:06:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:06:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:06:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:06:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:06:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:06:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:06:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:06:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:06:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:06:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:06:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:06:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:06:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:06:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:06:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:06:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 00:06:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:06:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:06:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:47,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-07 00:06:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:47,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:06:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:47,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-07 00:06:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-07 00:06:47,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:06:47,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199143126] [2021-12-07 00:06:47,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199143126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:06:47,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:06:47,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:06:47,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784785186] [2021-12-07 00:06:47,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:06:47,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:06:47,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:06:47,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:06:47,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:06:47,033 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) [2021-12-07 00:06:58,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:06:58,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:06:58,317 INFO L93 Difference]: Finished difference Result 15230 states and 21436 transitions. [2021-12-07 00:06:58,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:06:58,317 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 [2021-12-07 00:06:58,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:06:58,373 INFO L225 Difference]: With dead ends: 15230 [2021-12-07 00:06:58,373 INFO L226 Difference]: Without dead ends: 9248 [2021-12-07 00:06:58,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:06:58,396 INFO L933 BasicCegarLoop]: 4769 mSDtfsCounter, 4453 mSDsluCounter, 5410 mSDsCounter, 0 mSdLazyCounter, 2868 mSolverCounterSat, 2514 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5097 SdHoareTripleChecker+Valid, 10179 SdHoareTripleChecker+Invalid, 5383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2514 IncrementalHoareTripleChecker+Valid, 2868 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:06:58,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5097 Valid, 10179 Invalid, 5383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2514 Valid, 2868 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2021-12-07 00:06:58,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9248 states. [2021-12-07 00:06:58,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9248 to 8884. [2021-12-07 00:06:58,840 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) [2021-12-07 00:06:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8884 states to 8884 states and 12440 transitions. [2021-12-07 00:06:58,873 INFO L78 Accepts]: Start accepts. Automaton has 8884 states and 12440 transitions. Word has length 243 [2021-12-07 00:06:58,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:06:58,874 INFO L470 AbstractCegarLoop]: Abstraction has 8884 states and 12440 transitions. [2021-12-07 00:06:58,874 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) [2021-12-07 00:06:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 8884 states and 12440 transitions. [2021-12-07 00:06:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-07 00:06:58,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:06:58,879 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] [2021-12-07 00:06:58,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:06:58,880 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:06:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:58,880 INFO L85 PathProgramCache]: Analyzing trace with hash -836897965, now seen corresponding path program 1 times [2021-12-07 00:06:58,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:06:58,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850718664] [2021-12-07 00:06:58,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:06:58,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:06:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:06:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:06:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:06:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:06:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:06:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:06:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:06:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:06:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:06:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:06:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:06:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:06:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:06:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:06:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:06:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:06:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:06:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:06:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:06:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:06:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:06:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:06:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:06:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:06:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:06:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-07 00:06:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-07 00:06:59,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:06:59,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850718664] [2021-12-07 00:06:59,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850718664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:06:59,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:06:59,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:06:59,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021209645] [2021-12-07 00:06:59,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:06:59,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:06:59,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:06:59,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:06:59,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:06:59,498 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) [2021-12-07 00:07:09,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:07:12,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:12,486 INFO L93 Difference]: Finished difference Result 21386 states and 30024 transitions. [2021-12-07 00:07:12,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:07:12,488 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 [2021-12-07 00:07:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:12,562 INFO L225 Difference]: With dead ends: 21386 [2021-12-07 00:07:12,562 INFO L226 Difference]: Without dead ends: 12539 [2021-12-07 00:07:12,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:07:12,621 INFO L933 BasicCegarLoop]: 7908 mSDtfsCounter, 3971 mSDsluCounter, 6950 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 1793 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4716 SdHoareTripleChecker+Valid, 14858 SdHoareTripleChecker+Invalid, 4766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1793 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:12,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4716 Valid, 14858 Invalid, 4766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1793 Valid, 2972 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2021-12-07 00:07:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12539 states. [2021-12-07 00:07:13,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12539 to 12061. [2021-12-07 00:07:13,095 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) [2021-12-07 00:07:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12061 states to 12061 states and 16879 transitions. [2021-12-07 00:07:13,139 INFO L78 Accepts]: Start accepts. Automaton has 12061 states and 16879 transitions. Word has length 282 [2021-12-07 00:07:13,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:13,140 INFO L470 AbstractCegarLoop]: Abstraction has 12061 states and 16879 transitions. [2021-12-07 00:07:13,141 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) [2021-12-07 00:07:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12061 states and 16879 transitions. [2021-12-07 00:07:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-07 00:07:13,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:13,148 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] [2021-12-07 00:07:13,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:07:13,148 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash -71695693, now seen corresponding path program 1 times [2021-12-07 00:07:13,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:13,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683602111] [2021-12-07 00:07:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:13,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:07:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:07:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:07:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:07:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:07:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:07:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:07:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:07:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:07:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:07:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:07:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:07:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:07:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:07:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:07:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:07:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:07:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:07:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:07:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:07:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:07:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:07:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:07:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:07:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:07:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:07:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:07:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:07:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:07:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:07:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-07 00:07:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:07:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-12-07 00:07:13,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:13,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683602111] [2021-12-07 00:07:13,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683602111] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:13,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:13,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:07:13,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208993660] [2021-12-07 00:07:13,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:13,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:07:13,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:13,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:07:13,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:07:13,897 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) [2021-12-07 00:07:25,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:07:28,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:28,155 INFO L93 Difference]: Finished difference Result 27838 states and 39040 transitions. [2021-12-07 00:07:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:07:28,156 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 [2021-12-07 00:07:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:28,224 INFO L225 Difference]: With dead ends: 27838 [2021-12-07 00:07:28,224 INFO L226 Difference]: Without dead ends: 15814 [2021-12-07 00:07:28,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:07:28,257 INFO L933 BasicCegarLoop]: 7873 mSDtfsCounter, 3973 mSDsluCounter, 6938 mSDsCounter, 0 mSdLazyCounter, 2962 mSolverCounterSat, 1804 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4717 SdHoareTripleChecker+Valid, 14811 SdHoareTripleChecker+Invalid, 4767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1804 IncrementalHoareTripleChecker+Valid, 2962 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:28,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4717 Valid, 14811 Invalid, 4767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1804 Valid, 2962 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2021-12-07 00:07:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15814 states. [2021-12-07 00:07:28,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15814 to 15226. [2021-12-07 00:07:28,898 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) [2021-12-07 00:07:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15226 states to 15226 states and 21301 transitions. [2021-12-07 00:07:28,953 INFO L78 Accepts]: Start accepts. Automaton has 15226 states and 21301 transitions. Word has length 356 [2021-12-07 00:07:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:28,954 INFO L470 AbstractCegarLoop]: Abstraction has 15226 states and 21301 transitions. [2021-12-07 00:07:28,954 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) [2021-12-07 00:07:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 15226 states and 21301 transitions. [2021-12-07 00:07:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-07 00:07:28,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:28,961 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] [2021-12-07 00:07:28,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:07:28,962 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:28,962 INFO L85 PathProgramCache]: Analyzing trace with hash -969088971, now seen corresponding path program 1 times [2021-12-07 00:07:28,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:28,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814241551] [2021-12-07 00:07:28,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:28,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:07:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:07:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:07:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:07:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:07:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:07:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:07:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:07:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:07:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:07:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:07:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:07:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:07:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:07:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:07:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:07:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:07:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:07:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:07:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:07:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:07:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:07:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:07:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:07:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:07:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:07:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:07:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:07:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:07:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:07:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-07 00:07:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:07:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-12-07 00:07:29,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:29,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814241551] [2021-12-07 00:07:29,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814241551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:29,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:29,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:07:29,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012429559] [2021-12-07 00:07:29,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:29,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:07:29,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:29,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:07:29,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:07:29,593 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) [2021-12-07 00:07:41,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:07:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:43,153 INFO L93 Difference]: Finished difference Result 35863 states and 50256 transitions. [2021-12-07 00:07:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:07:43,154 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 [2021-12-07 00:07:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:43,225 INFO L225 Difference]: With dead ends: 35863 [2021-12-07 00:07:43,225 INFO L226 Difference]: Without dead ends: 20674 [2021-12-07 00:07:43,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:07:43,259 INFO L933 BasicCegarLoop]: 7777 mSDtfsCounter, 4414 mSDsluCounter, 6623 mSDsCounter, 0 mSdLazyCounter, 2935 mSolverCounterSat, 1862 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5204 SdHoareTripleChecker+Valid, 14400 SdHoareTripleChecker+Invalid, 4798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1862 IncrementalHoareTripleChecker+Valid, 2935 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:43,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5204 Valid, 14400 Invalid, 4798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1862 Valid, 2935 Invalid, 1 Unknown, 0 Unchecked, 12.8s Time] [2021-12-07 00:07:43,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20674 states. [2021-12-07 00:07:44,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20674 to 19834. [2021-12-07 00:07:44,065 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) [2021-12-07 00:07:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19834 states to 19834 states and 27711 transitions. [2021-12-07 00:07:44,133 INFO L78 Accepts]: Start accepts. Automaton has 19834 states and 27711 transitions. Word has length 356 [2021-12-07 00:07:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:44,134 INFO L470 AbstractCegarLoop]: Abstraction has 19834 states and 27711 transitions. [2021-12-07 00:07:44,134 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) [2021-12-07 00:07:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 19834 states and 27711 transitions. [2021-12-07 00:07:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-12-07 00:07:44,145 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:44,145 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] [2021-12-07 00:07:44,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:07:44,146 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:44,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:44,146 INFO L85 PathProgramCache]: Analyzing trace with hash 462883537, now seen corresponding path program 1 times [2021-12-07 00:07:44,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:44,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762170564] [2021-12-07 00:07:44,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:44,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:07:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:07:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:07:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:07:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:07:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:07:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:07:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:07:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:07:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:07:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:07:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:07:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:07:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:07:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:07:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:07:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:07:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:07:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:07:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:07:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:07:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:07:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:07:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:07:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:07:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:07:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:07:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:07:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:07:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:07:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:07:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:07:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:07:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:07:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:07:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-07 00:07:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-07 00:07:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2021-12-07 00:07:44,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:44,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762170564] [2021-12-07 00:07:44,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762170564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:44,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:44,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:07:44,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450348692] [2021-12-07 00:07:44,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:44,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:07:44,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:44,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:07:44,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:07:44,925 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) [2021-12-07 00:07:56,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:07:59,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:59,318 INFO L93 Difference]: Finished difference Result 43747 states and 61249 transitions. [2021-12-07 00:07:59,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:07:59,319 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 [2021-12-07 00:07:59,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:59,393 INFO L225 Difference]: With dead ends: 43747 [2021-12-07 00:07:59,393 INFO L226 Difference]: Without dead ends: 23950 [2021-12-07 00:07:59,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:07:59,432 INFO L933 BasicCegarLoop]: 6932 mSDtfsCounter, 4106 mSDsluCounter, 6336 mSDsCounter, 0 mSdLazyCounter, 2966 mSolverCounterSat, 2009 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4853 SdHoareTripleChecker+Valid, 13268 SdHoareTripleChecker+Invalid, 4976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2009 IncrementalHoareTripleChecker+Valid, 2966 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:59,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4853 Valid, 13268 Invalid, 4976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2009 Valid, 2966 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2021-12-07 00:07:59,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23950 states. [2021-12-07 00:08:00,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23950 to 22998. [2021-12-07 00:08:00,305 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) [2021-12-07 00:08:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22998 states to 22998 states and 32133 transitions. [2021-12-07 00:08:00,380 INFO L78 Accepts]: Start accepts. Automaton has 22998 states and 32133 transitions. Word has length 414 [2021-12-07 00:08:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:08:00,381 INFO L470 AbstractCegarLoop]: Abstraction has 22998 states and 32133 transitions. [2021-12-07 00:08:00,381 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) [2021-12-07 00:08:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 22998 states and 32133 transitions. [2021-12-07 00:08:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-12-07 00:08:00,389 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:00,389 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] [2021-12-07 00:08:00,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:08:00,390 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:08:00,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:00,390 INFO L85 PathProgramCache]: Analyzing trace with hash -434509741, now seen corresponding path program 1 times [2021-12-07 00:08:00,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:00,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799572025] [2021-12-07 00:08:00,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:00,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:08:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:08:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:08:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:08:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:08:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:08:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:08:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:08:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:08:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:08:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:08:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:08:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:08:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:08:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:08:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:08:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:08:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:08:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:08:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:08:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:08:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:08:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:08:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:08:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:08:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:08:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:08:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:08:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:08:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:08:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:08:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:08:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:08:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-07 00:08:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-07 00:08:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2021-12-07 00:08:01,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:01,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799572025] [2021-12-07 00:08:01,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799572025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:01,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:01,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:08:01,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934430838] [2021-12-07 00:08:01,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:01,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:08:01,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:01,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:08:01,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:08:01,081 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) [2021-12-07 00:08:12,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:08:15,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:08:15,415 INFO L93 Difference]: Finished difference Result 50219 states and 70303 transitions. [2021-12-07 00:08:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:08:15,416 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 [2021-12-07 00:08:15,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:08:15,516 INFO L225 Difference]: With dead ends: 50219 [2021-12-07 00:08:15,516 INFO L226 Difference]: Without dead ends: 27258 [2021-12-07 00:08:15,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:08:15,576 INFO L933 BasicCegarLoop]: 7913 mSDtfsCounter, 4006 mSDsluCounter, 6959 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 1792 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4754 SdHoareTripleChecker+Valid, 14872 SdHoareTripleChecker+Invalid, 4765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:08:15,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4754 Valid, 14872 Invalid, 4765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1792 Valid, 2972 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2021-12-07 00:08:15,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27258 states. [2021-12-07 00:08:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27258 to 26192. [2021-12-07 00:08:16,580 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) [2021-12-07 00:08:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26192 states to 26192 states and 36596 transitions. [2021-12-07 00:08:16,668 INFO L78 Accepts]: Start accepts. Automaton has 26192 states and 36596 transitions. Word has length 414 [2021-12-07 00:08:16,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:08:16,669 INFO L470 AbstractCegarLoop]: Abstraction has 26192 states and 36596 transitions. [2021-12-07 00:08:16,669 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) [2021-12-07 00:08:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 26192 states and 36596 transitions. [2021-12-07 00:08:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-12-07 00:08:16,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:16,678 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] [2021-12-07 00:08:16,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:08:16,679 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:08:16,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:16,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1378525407, now seen corresponding path program 1 times [2021-12-07 00:08:16,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:16,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872015622] [2021-12-07 00:08:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:16,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:08:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:08:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:08:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:08:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:08:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:08:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:08:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:08:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:08:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:08:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:08:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:08:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:08:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:08:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:08:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:08:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:08:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:08:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:08:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:08:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:08:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:08:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:08:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:08:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:08:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:08:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:08:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:08:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:08:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:08:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:08:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:08:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:08:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:08:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:08:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:08:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-07 00:08:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-07 00:08:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-12-07 00:08:17,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:17,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872015622] [2021-12-07 00:08:17,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872015622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:17,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:17,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:08:17,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562570426] [2021-12-07 00:08:17,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:17,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:08:17,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:17,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:08:17,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:08:17,423 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) [2021-12-07 00:08:37,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:08:39,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:08:41,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:08:43,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:08:43,542 INFO L93 Difference]: Finished difference Result 58202 states and 81426 transitions. [2021-12-07 00:08:43,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:08:43,543 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 [2021-12-07 00:08:43,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:08:43,647 INFO L225 Difference]: With dead ends: 58202 [2021-12-07 00:08:43,647 INFO L226 Difference]: Without dead ends: 32047 [2021-12-07 00:08:43,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:08:43,711 INFO L933 BasicCegarLoop]: 7442 mSDtfsCounter, 4287 mSDsluCounter, 18773 mSDsCounter, 0 mSdLazyCounter, 7023 mSolverCounterSat, 1987 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5040 SdHoareTripleChecker+Valid, 26215 SdHoareTripleChecker+Invalid, 9013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1987 IncrementalHoareTripleChecker+Valid, 7023 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:08:43,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5040 Valid, 26215 Invalid, 9013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1987 Valid, 7023 Invalid, 3 Unknown, 0 Unchecked, 25.0s Time] [2021-12-07 00:08:43,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32047 states. [2021-12-07 00:08:44,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32047 to 30781. [2021-12-07 00:08:44,867 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) [2021-12-07 00:08:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30781 states to 30781 states and 42990 transitions. [2021-12-07 00:08:44,965 INFO L78 Accepts]: Start accepts. Automaton has 30781 states and 42990 transitions. Word has length 455 [2021-12-07 00:08:44,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:08:44,966 INFO L470 AbstractCegarLoop]: Abstraction has 30781 states and 42990 transitions. [2021-12-07 00:08:44,966 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) [2021-12-07 00:08:44,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30781 states and 42990 transitions. [2021-12-07 00:08:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-12-07 00:08:44,975 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:08:44,975 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] [2021-12-07 00:08:44,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:08:44,975 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:08:44,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:08:44,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2046166736, now seen corresponding path program 1 times [2021-12-07 00:08:44,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:08:44,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629348265] [2021-12-07 00:08:44,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:08:44,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:08:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:08:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:08:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:08:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:08:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:08:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:08:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:08:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:08:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:08:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:08:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:08:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:08:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:08:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:08:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:08:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:08:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:08:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:08:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:08:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:08:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:08:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:08:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:08:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:08:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:08:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:08:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:08:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:08:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:08:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:08:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:08:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:08:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:08:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:08:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:08:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:08:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:08:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:08:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-07 00:08:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-07 00:08:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-07 00:08:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:08:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-12-07 00:08:45,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:08:45,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629348265] [2021-12-07 00:08:45,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629348265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:08:45,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:08:45,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:08:45,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452514981] [2021-12-07 00:08:45,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:08:45,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:08:45,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:08:45,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:08:45,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:08:45,655 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) [2021-12-07 00:09:02,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:05,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:07,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:11,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:13,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:16,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:09:16,076 INFO L93 Difference]: Finished difference Result 66079 states and 92427 transitions. [2021-12-07 00:09:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:09:16,077 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 [2021-12-07 00:09:16,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:09:16,205 INFO L225 Difference]: With dead ends: 66079 [2021-12-07 00:09:16,205 INFO L226 Difference]: Without dead ends: 35335 [2021-12-07 00:09:16,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:09:16,266 INFO L933 BasicCegarLoop]: 7916 mSDtfsCounter, 3983 mSDsluCounter, 19788 mSDsCounter, 0 mSdLazyCounter, 7187 mSolverCounterSat, 1787 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4730 SdHoareTripleChecker+Valid, 27704 SdHoareTripleChecker+Invalid, 8978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1787 IncrementalHoareTripleChecker+Valid, 7187 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:09:16,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4730 Valid, 27704 Invalid, 8978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1787 Valid, 7187 Invalid, 4 Unknown, 0 Unchecked, 29.2s Time] [2021-12-07 00:09:16,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35335 states. [2021-12-07 00:09:17,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35335 to 33959. [2021-12-07 00:09:17,516 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) [2021-12-07 00:09:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33959 states to 33959 states and 47424 transitions. [2021-12-07 00:09:17,649 INFO L78 Accepts]: Start accepts. Automaton has 33959 states and 47424 transitions. Word has length 456 [2021-12-07 00:09:17,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:09:17,650 INFO L470 AbstractCegarLoop]: Abstraction has 33959 states and 47424 transitions. [2021-12-07 00:09:17,650 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) [2021-12-07 00:09:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 33959 states and 47424 transitions. [2021-12-07 00:09:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-12-07 00:09:17,680 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:09:17,680 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] [2021-12-07 00:09:17,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:09:17,680 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:09:17,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:09:17,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1568002466, now seen corresponding path program 1 times [2021-12-07 00:09:17,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:09:17,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623567460] [2021-12-07 00:09:17,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:09:17,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:09:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:09:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:09:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:09:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:09:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:09:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:09:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:09:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:09:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:09:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:09:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:09:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:09:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:09:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:09:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:09:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:09:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:09:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:09:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:09:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:09:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:09:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:09:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:09:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:09:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:09:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:09:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:09:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:09:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:09:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:09:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:09:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:09:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:09:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:09:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:09:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:09:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:09:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:09:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:09:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-07 00:09:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-07 00:09:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-07 00:09:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-12-07 00:09:18,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:18,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623567460] [2021-12-07 00:09:18,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623567460] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:18,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:18,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:09:18,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320791872] [2021-12-07 00:09:18,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:18,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:09:18,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:18,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:09:18,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:09:18,389 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) [2021-12-07 00:09:38,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:40,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:42,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:46,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:09:48,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:09:48,037 INFO L93 Difference]: Finished difference Result 73398 states and 102670 transitions. [2021-12-07 00:09:48,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:09:48,038 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 [2021-12-07 00:09:48,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:09:48,174 INFO L225 Difference]: With dead ends: 73398 [2021-12-07 00:09:48,175 INFO L226 Difference]: Without dead ends: 39476 [2021-12-07 00:09:48,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:09:48,258 INFO L933 BasicCegarLoop]: 7925 mSDtfsCounter, 3995 mSDsluCounter, 19770 mSDsCounter, 0 mSdLazyCounter, 7211 mSolverCounterSat, 1785 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4747 SdHoareTripleChecker+Valid, 27695 SdHoareTripleChecker+Invalid, 9000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1785 IncrementalHoareTripleChecker+Valid, 7211 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:09:48,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4747 Valid, 27695 Invalid, 9000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1785 Valid, 7211 Invalid, 4 Unknown, 0 Unchecked, 28.3s Time] [2021-12-07 00:09:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39476 states. [2021-12-07 00:09:49,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39476 to 37984. [2021-12-07 00:09:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37984 states, 25556 states have (on average 1.2374002191266238) internal successors, (31623), 25898 states have internal predecessors, (31623), 10705 states have call successors, (10705), 1712 states have call predecessors, (10705), 1721 states have return successors, (10731), 10611 states have call predecessors, (10731), 10705 states have call successors, (10731) [2021-12-07 00:09:49,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37984 states to 37984 states and 53059 transitions. [2021-12-07 00:09:49,910 INFO L78 Accepts]: Start accepts. Automaton has 37984 states and 53059 transitions. Word has length 457 [2021-12-07 00:09:49,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:09:49,910 INFO L470 AbstractCegarLoop]: Abstraction has 37984 states and 53059 transitions. [2021-12-07 00:09:49,910 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) [2021-12-07 00:09:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 37984 states and 53059 transitions. [2021-12-07 00:09:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-12-07 00:09:49,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:09:49,920 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] [2021-12-07 00:09:49,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 00:09:49,920 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:09:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:09:49,920 INFO L85 PathProgramCache]: Analyzing trace with hash 48573971, now seen corresponding path program 1 times [2021-12-07 00:09:49,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:09:49,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356117960] [2021-12-07 00:09:49,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:09:49,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:09:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:09:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:09:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:09:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:09:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:09:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:09:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:09:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:09:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:09:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:09:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:09:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:09:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:09:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:09:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:09:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:09:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:09:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:09:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:09:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:09:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:09:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:09:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:09:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:09:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:09:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:09:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:09:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:09:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:09:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:09:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:09:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:09:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:09:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:09:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:09:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:09:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:09:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:09:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:09:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:09:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-07 00:09:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:09:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-07 00:09:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:09:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-12-07 00:09:50,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:09:50,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356117960] [2021-12-07 00:09:50,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356117960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:09:50,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:09:50,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:09:50,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775141711] [2021-12-07 00:09:50,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:09:50,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:09:50,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:09:50,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:09:50,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:09:50,508 INFO L87 Difference]: Start difference. First operand 37984 states and 53059 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) [2021-12-07 00:10:09,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:11,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:13,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:18,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:20,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:10:20,150 INFO L93 Difference]: Finished difference Result 81238 states and 113631 transitions. [2021-12-07 00:10:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:10:20,151 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 [2021-12-07 00:10:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:10:20,287 INFO L225 Difference]: With dead ends: 81238 [2021-12-07 00:10:20,287 INFO L226 Difference]: Without dead ends: 43291 [2021-12-07 00:10:20,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:10:20,376 INFO L933 BasicCegarLoop]: 7874 mSDtfsCounter, 4062 mSDsluCounter, 19772 mSDsCounter, 0 mSdLazyCounter, 7180 mSolverCounterSat, 1830 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4810 SdHoareTripleChecker+Valid, 27646 SdHoareTripleChecker+Invalid, 9013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1830 IncrementalHoareTripleChecker+Valid, 7180 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:10:20,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4810 Valid, 27646 Invalid, 9013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1830 Valid, 7180 Invalid, 3 Unknown, 0 Unchecked, 28.1s Time] [2021-12-07 00:10:20,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43291 states. [2021-12-07 00:10:21,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43291 to 41625. [2021-12-07 00:10:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41625 states, 28021 states have (on average 1.2373933835337783) internal successors, (34673), 28394 states have internal predecessors, (34673), 11708 states have call successors, (11708), 1883 states have call predecessors, (11708), 1894 states have return successors, (11736), 11608 states have call predecessors, (11736), 11708 states have call successors, (11736) [2021-12-07 00:10:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41625 states to 41625 states and 58117 transitions. [2021-12-07 00:10:22,150 INFO L78 Accepts]: Start accepts. Automaton has 41625 states and 58117 transitions. Word has length 458 [2021-12-07 00:10:22,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:10:22,151 INFO L470 AbstractCegarLoop]: Abstraction has 41625 states and 58117 transitions. [2021-12-07 00:10:22,151 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) [2021-12-07 00:10:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 41625 states and 58117 transitions. [2021-12-07 00:10:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-12-07 00:10:22,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:10:22,162 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] [2021-12-07 00:10:22,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 00:10:22,162 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:10:22,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:10:22,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1698593179, now seen corresponding path program 1 times [2021-12-07 00:10:22,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:10:22,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916516103] [2021-12-07 00:10:22,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:10:22,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:10:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:10:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:10:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:10:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:10:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:10:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:10:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:10:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:10:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:10:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:10:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:10:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:10:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:10:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:10:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:10:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:10:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:10:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:10:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:10:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:10:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:10:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:10:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:10:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:10:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:10:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:10:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:10:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:10:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:10:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:10:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:10:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:10:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:10:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:10:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:10:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:10:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:10:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-07 00:10:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-07 00:10:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-07 00:10:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2043 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2002 trivial. 0 not checked. [2021-12-07 00:10:22,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:10:22,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916516103] [2021-12-07 00:10:22,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916516103] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:10:22,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:10:22,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:10:22,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534443273] [2021-12-07 00:10:22,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:10:22,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:10:22,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:10:22,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:10:22,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:10:22,812 INFO L87 Difference]: Start difference. First operand 41625 states and 58117 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) [2021-12-07 00:10:43,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:45,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:47,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:51,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:54,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:10:55,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:10:55,812 INFO L93 Difference]: Finished difference Result 88880 states and 124317 transitions. [2021-12-07 00:10:55,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:10:55,813 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 [2021-12-07 00:10:55,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:10:55,994 INFO L225 Difference]: With dead ends: 88880 [2021-12-07 00:10:55,995 INFO L226 Difference]: Without dead ends: 47292 [2021-12-07 00:10:56,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:10:56,084 INFO L933 BasicCegarLoop]: 7942 mSDtfsCounter, 4047 mSDsluCounter, 19785 mSDsCounter, 0 mSdLazyCounter, 7251 mSolverCounterSat, 1792 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4800 SdHoareTripleChecker+Valid, 27727 SdHoareTripleChecker+Invalid, 9048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 7251 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:10:56,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4800 Valid, 27727 Invalid, 9048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1792 Valid, 7251 Invalid, 5 Unknown, 0 Unchecked, 31.5s Time] [2021-12-07 00:10:56,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47292 states. [2021-12-07 00:10:57,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47292 to 45512. [2021-12-07 00:10:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45512 states, 30632 states have (on average 1.2373008618438235) internal successors, (37901), 31035 states have internal predecessors, (37901), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12851), 12715 states have call predecessors, (12851), 12823 states have call successors, (12851) [2021-12-07 00:10:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45512 states to 45512 states and 63575 transitions. [2021-12-07 00:10:58,172 INFO L78 Accepts]: Start accepts. Automaton has 45512 states and 63575 transitions. Word has length 459 [2021-12-07 00:10:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:10:58,172 INFO L470 AbstractCegarLoop]: Abstraction has 45512 states and 63575 transitions. [2021-12-07 00:10:58,172 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) [2021-12-07 00:10:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 45512 states and 63575 transitions. [2021-12-07 00:10:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-12-07 00:10:58,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:10:58,183 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] [2021-12-07 00:10:58,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 00:10:58,183 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:10:58,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:10:58,184 INFO L85 PathProgramCache]: Analyzing trace with hash 322137576, now seen corresponding path program 1 times [2021-12-07 00:10:58,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:10:58,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548718003] [2021-12-07 00:10:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:10:58,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:10:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:10:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:10:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:10:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:10:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:10:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:10:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:10:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:10:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:10:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:10:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:10:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:10:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:10:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:10:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:10:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:10:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:10:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:10:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:10:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:10:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:10:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:10:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:10:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:10:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:10:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:10:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:10:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:10:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:10:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:10:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:10:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:10:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:10:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:10:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:10:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:10:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:10:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:10:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:10:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:10:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:10:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:10:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:10:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:10:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:10:58,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:10:58,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548718003] [2021-12-07 00:10:58,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548718003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:10:58,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:10:58,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:10:58,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248527816] [2021-12-07 00:10:58,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:10:58,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:10:58,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:10:58,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:10:58,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:10:58,925 INFO L87 Difference]: Start difference. First operand 45512 states and 63575 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) [2021-12-07 00:11:12,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:14,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:11:14,804 INFO L93 Difference]: Finished difference Result 92757 states and 130117 transitions. [2021-12-07 00:11:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:11:14,805 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 [2021-12-07 00:11:14,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:11:14,981 INFO L225 Difference]: With dead ends: 92757 [2021-12-07 00:11:14,981 INFO L226 Difference]: Without dead ends: 47282 [2021-12-07 00:11:15,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:11:15,107 INFO L933 BasicCegarLoop]: 4347 mSDtfsCounter, 4580 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 3658 mSolverCounterSat, 1844 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5115 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 5503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1844 IncrementalHoareTripleChecker+Valid, 3658 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:11:15,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5115 Valid, 8277 Invalid, 5503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1844 Valid, 3658 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2021-12-07 00:11:15,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47282 states. [2021-12-07 00:11:17,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47282 to 45512. [2021-12-07 00:11:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45512 states, 30632 states have (on average 1.2367785322538523) internal successors, (37885), 31035 states have internal predecessors, (37885), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12851), 12715 states have call predecessors, (12851), 12823 states have call successors, (12851) [2021-12-07 00:11:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45512 states to 45512 states and 63559 transitions. [2021-12-07 00:11:17,287 INFO L78 Accepts]: Start accepts. Automaton has 45512 states and 63559 transitions. Word has length 462 [2021-12-07 00:11:17,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:11:17,287 INFO L470 AbstractCegarLoop]: Abstraction has 45512 states and 63559 transitions. [2021-12-07 00:11:17,287 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) [2021-12-07 00:11:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 45512 states and 63559 transitions. [2021-12-07 00:11:17,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-07 00:11:17,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:11:17,299 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] [2021-12-07 00:11:17,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:11:17,299 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:11:17,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:11:17,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1811702511, now seen corresponding path program 1 times [2021-12-07 00:11:17,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:11:17,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034500189] [2021-12-07 00:11:17,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:11:17,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:11:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:11:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:11:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:11:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:11:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:11:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:11:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:11:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:11:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:11:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:11:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:11:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:11:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:11:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:11:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:11:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:11:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:11:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:11:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:11:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:11:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:11:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:11:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:11:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:11:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:11:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:11:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:11:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:11:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:11:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:11:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:11:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:11:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:11:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:11:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:11:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:11:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:11:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:11:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:11:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:11:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:11:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:11:18,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:11:18,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034500189] [2021-12-07 00:11:18,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034500189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:11:18,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:11:18,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:11:18,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895128494] [2021-12-07 00:11:18,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:11:18,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:11:18,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:11:18,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:11:18,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:11:18,078 INFO L87 Difference]: Start difference. First operand 45512 states and 63559 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) [2021-12-07 00:11:33,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:35,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:11:35,516 INFO L93 Difference]: Finished difference Result 92757 states and 130085 transitions. [2021-12-07 00:11:35,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:11:35,517 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 [2021-12-07 00:11:35,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:11:35,678 INFO L225 Difference]: With dead ends: 92757 [2021-12-07 00:11:35,678 INFO L226 Difference]: Without dead ends: 47282 [2021-12-07 00:11:35,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:11:35,802 INFO L933 BasicCegarLoop]: 4346 mSDtfsCounter, 6744 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3659 mSolverCounterSat, 5085 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6744 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 8745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5085 IncrementalHoareTripleChecker+Valid, 3659 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:11:35,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6744 Valid, 8277 Invalid, 8745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5085 Valid, 3659 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2021-12-07 00:11:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47282 states. [2021-12-07 00:11:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47282 to 45512. [2021-12-07 00:11:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45512 states, 30632 states have (on average 1.2362562026638808) internal successors, (37869), 31035 states have internal predecessors, (37869), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12851), 12715 states have call predecessors, (12851), 12823 states have call successors, (12851) [2021-12-07 00:11:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45512 states to 45512 states and 63543 transitions. [2021-12-07 00:11:38,128 INFO L78 Accepts]: Start accepts. Automaton has 45512 states and 63543 transitions. Word has length 463 [2021-12-07 00:11:38,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:11:38,128 INFO L470 AbstractCegarLoop]: Abstraction has 45512 states and 63543 transitions. [2021-12-07 00:11:38,128 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) [2021-12-07 00:11:38,128 INFO L276 IsEmpty]: Start isEmpty. Operand 45512 states and 63543 transitions. [2021-12-07 00:11:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-12-07 00:11:38,140 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:11:38,140 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] [2021-12-07 00:11:38,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 00:11:38,140 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:11:38,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:11:38,141 INFO L85 PathProgramCache]: Analyzing trace with hash 858091844, now seen corresponding path program 1 times [2021-12-07 00:11:38,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:11:38,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367317556] [2021-12-07 00:11:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:11:38,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:11:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:11:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:11:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:11:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:11:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:11:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:11:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:11:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:11:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:11:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:11:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:11:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:11:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:11:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:11:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:11:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:11:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:11:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:11:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:11:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:11:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:11:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:11:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:11:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:11:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:11:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:11:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:11:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:11:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:11:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:11:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:11:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:11:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:11:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:11:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:11:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:11:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:11:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:11:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:11:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:11:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:11:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:11:38,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:11:38,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367317556] [2021-12-07 00:11:38,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367317556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:11:38,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:11:38,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:11:38,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055175893] [2021-12-07 00:11:38,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:11:38,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:11:38,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:11:38,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:11:38,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:11:38,927 INFO L87 Difference]: Start difference. First operand 45512 states and 63543 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) [2021-12-07 00:11:53,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:11:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:11:56,192 INFO L93 Difference]: Finished difference Result 92757 states and 130053 transitions. [2021-12-07 00:11:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:11:56,193 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 [2021-12-07 00:11:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:11:56,360 INFO L225 Difference]: With dead ends: 92757 [2021-12-07 00:11:56,361 INFO L226 Difference]: Without dead ends: 47282 [2021-12-07 00:11:56,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:11:56,488 INFO L933 BasicCegarLoop]: 4344 mSDtfsCounter, 6740 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 3657 mSolverCounterSat, 5087 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6740 SdHoareTripleChecker+Valid, 8274 SdHoareTripleChecker+Invalid, 8745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5087 IncrementalHoareTripleChecker+Valid, 3657 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:11:56,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6740 Valid, 8274 Invalid, 8745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5087 Valid, 3657 Invalid, 1 Unknown, 0 Unchecked, 15.2s Time] [2021-12-07 00:11:56,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47282 states. [2021-12-07 00:11:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47282 to 45512. [2021-12-07 00:11:58,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45512 states, 30632 states have (on average 1.2357338730739096) internal successors, (37853), 31035 states have internal predecessors, (37853), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2055 states have return successors, (12851), 12715 states have call predecessors, (12851), 12823 states have call successors, (12851) [2021-12-07 00:11:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45512 states to 45512 states and 63527 transitions. [2021-12-07 00:11:58,844 INFO L78 Accepts]: Start accepts. Automaton has 45512 states and 63527 transitions. Word has length 464 [2021-12-07 00:11:58,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:11:58,845 INFO L470 AbstractCegarLoop]: Abstraction has 45512 states and 63527 transitions. [2021-12-07 00:11:58,845 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) [2021-12-07 00:11:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 45512 states and 63527 transitions. [2021-12-07 00:11:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-12-07 00:11:58,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:11:58,857 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] [2021-12-07 00:11:58,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 00:11:58,857 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:11:58,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:11:58,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1475448843, now seen corresponding path program 1 times [2021-12-07 00:11:58,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:11:58,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199438238] [2021-12-07 00:11:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:11:58,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:11:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:11:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:11:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:11:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:11:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:11:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:11:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:11:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:11:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:11:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:11:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:11:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:11:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:11:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:11:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:11:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:11:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:11:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:11:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:11:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:11:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:11:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:11:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:11:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:11:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:11:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:11:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:11:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:11:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:11:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:11:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:11:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:11:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:11:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:11:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:11:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:11:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:11:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:11:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:11:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:11:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:11:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:11:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:11:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:11:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:11:59,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:11:59,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199438238] [2021-12-07 00:11:59,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199438238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:11:59,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:11:59,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:11:59,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117954211] [2021-12-07 00:11:59,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:11:59,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:11:59,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:11:59,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:11:59,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:11:59,570 INFO L87 Difference]: Start difference. First operand 45512 states and 63527 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) [2021-12-07 00:12:14,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:16,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:12:16,945 INFO L93 Difference]: Finished difference Result 92789 states and 130061 transitions. [2021-12-07 00:12:16,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:12:16,945 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 [2021-12-07 00:12:16,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:12:17,106 INFO L225 Difference]: With dead ends: 92789 [2021-12-07 00:12:17,107 INFO L226 Difference]: Without dead ends: 47314 [2021-12-07 00:12:17,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:12:17,276 INFO L933 BasicCegarLoop]: 4344 mSDtfsCounter, 6737 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3658 mSolverCounterSat, 5089 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6737 SdHoareTripleChecker+Valid, 8275 SdHoareTripleChecker+Invalid, 8748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5089 IncrementalHoareTripleChecker+Valid, 3658 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:12:17,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6737 Valid, 8275 Invalid, 8748 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5089 Valid, 3658 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2021-12-07 00:12:17,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47314 states. [2021-12-07 00:12:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47314 to 45516. [2021-12-07 00:12:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2351961872429327) internal successors, (37839), 31039 states have internal predecessors, (37839), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:12:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63516 transitions. [2021-12-07 00:12:19,654 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63516 transitions. Word has length 465 [2021-12-07 00:12:19,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:12:19,655 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63516 transitions. [2021-12-07 00:12:19,655 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) [2021-12-07 00:12:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63516 transitions. [2021-12-07 00:12:19,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-12-07 00:12:19,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:12:19,664 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] [2021-12-07 00:12:19,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 00:12:19,664 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:12:19,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:12:19,665 INFO L85 PathProgramCache]: Analyzing trace with hash -746804064, now seen corresponding path program 1 times [2021-12-07 00:12:19,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:12:19,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561474151] [2021-12-07 00:12:19,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:12:19,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:12:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:12:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:12:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:12:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:12:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:12:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:12:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:12:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:12:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:12:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:12:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:12:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:12:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:12:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:12:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:12:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:12:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:12:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:12:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:12:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:12:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:12:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:12:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:12:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:12:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:12:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:12:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:12:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:12:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:12:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:12:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:12:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:12:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:12:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:12:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:12:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:12:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:12:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:12:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:12:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:12:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:12:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:12:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:12:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:12:20,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:12:20,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561474151] [2021-12-07 00:12:20,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561474151] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:12:20,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:12:20,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:12:20,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051606647] [2021-12-07 00:12:20,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:12:20,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:12:20,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:12:20,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:12:20,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:12:20,474 INFO L87 Difference]: Start difference. First operand 45516 states and 63516 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) [2021-12-07 00:12:35,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:38,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:12:38,195 INFO L93 Difference]: Finished difference Result 92793 states and 130034 transitions. [2021-12-07 00:12:38,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:12:38,196 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 [2021-12-07 00:12:38,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:12:38,347 INFO L225 Difference]: With dead ends: 92793 [2021-12-07 00:12:38,347 INFO L226 Difference]: Without dead ends: 47314 [2021-12-07 00:12:38,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:12:38,460 INFO L933 BasicCegarLoop]: 4343 mSDtfsCounter, 6733 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3657 mSolverCounterSat, 5089 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6733 SdHoareTripleChecker+Valid, 8274 SdHoareTripleChecker+Invalid, 8747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5089 IncrementalHoareTripleChecker+Valid, 3657 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:12:38,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6733 Valid, 8274 Invalid, 8747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5089 Valid, 3657 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2021-12-07 00:12:38,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47314 states. [2021-12-07 00:12:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47314 to 45516. [2021-12-07 00:12:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.23467389175426) internal successors, (37823), 31039 states have internal predecessors, (37823), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:12:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63500 transitions. [2021-12-07 00:12:40,934 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63500 transitions. Word has length 466 [2021-12-07 00:12:40,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:12:40,935 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63500 transitions. [2021-12-07 00:12:40,935 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) [2021-12-07 00:12:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63500 transitions. [2021-12-07 00:12:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-12-07 00:12:40,944 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:12:40,944 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] [2021-12-07 00:12:40,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 00:12:40,945 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:12:40,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:12:40,945 INFO L85 PathProgramCache]: Analyzing trace with hash -802650841, now seen corresponding path program 1 times [2021-12-07 00:12:40,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:12:40,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966168529] [2021-12-07 00:12:40,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:12:40,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:12:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:12:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:12:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:12:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:12:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:12:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:12:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:12:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:12:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:12:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:12:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:12:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:12:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:12:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:12:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:12:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:12:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:12:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:12:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:12:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:12:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:12:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:12:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:12:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:12:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:12:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:12:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:12:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:12:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:12:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:12:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:12:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:12:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:12:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:12:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:12:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:12:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:12:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:12:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:12:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:12:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:12:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:12:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:12:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:12:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:12:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:12:41,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:12:41,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966168529] [2021-12-07 00:12:41,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966168529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:12:41,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:12:41,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:12:41,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792895547] [2021-12-07 00:12:41,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:12:41,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:12:41,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:12:41,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:12:41,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:12:41,752 INFO L87 Difference]: Start difference. First operand 45516 states and 63500 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 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) [2021-12-07 00:12:56,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:12:59,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:12:59,663 INFO L93 Difference]: Finished difference Result 92793 states and 130002 transitions. [2021-12-07 00:12:59,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:12:59,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 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 467 [2021-12-07 00:12:59,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:12:59,835 INFO L225 Difference]: With dead ends: 92793 [2021-12-07 00:12:59,835 INFO L226 Difference]: Without dead ends: 47314 [2021-12-07 00:12:59,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:12:59,939 INFO L933 BasicCegarLoop]: 4341 mSDtfsCounter, 6729 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 3655 mSolverCounterSat, 5091 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6729 SdHoareTripleChecker+Valid, 8271 SdHoareTripleChecker+Invalid, 8747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5091 IncrementalHoareTripleChecker+Valid, 3655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:12:59,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6729 Valid, 8271 Invalid, 8747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5091 Valid, 3655 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2021-12-07 00:12:59,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47314 states. [2021-12-07 00:13:02,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47314 to 45516. [2021-12-07 00:13:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2341515962655873) internal successors, (37807), 31039 states have internal predecessors, (37807), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:13:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63484 transitions. [2021-12-07 00:13:02,588 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63484 transitions. Word has length 467 [2021-12-07 00:13:02,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:02,588 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63484 transitions. [2021-12-07 00:13:02,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 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) [2021-12-07 00:13:02,588 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63484 transitions. [2021-12-07 00:13:02,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-12-07 00:13:02,599 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:02,599 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, 1] [2021-12-07 00:13:02,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 00:13:02,600 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:02,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1875582972, now seen corresponding path program 1 times [2021-12-07 00:13:02,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:02,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296984102] [2021-12-07 00:13:02,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:02,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:13:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:13:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:13:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:13:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:13:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:13:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:13:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:13:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:13:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:13:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:13:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:13:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:13:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:13:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:13:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:13:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:13:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:13:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:13:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:13:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:13:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:13:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:13:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:13:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:13:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:13:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:13:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:13:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:13:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:13:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:13:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:13:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:13:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:13:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:13:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:13:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:13:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:13:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:13:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:03,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:13:03,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:03,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296984102] [2021-12-07 00:13:03,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296984102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:03,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:03,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:13:03,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994895199] [2021-12-07 00:13:03,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:03,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:13:03,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:03,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:13:03,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:13:03,458 INFO L87 Difference]: Start difference. First operand 45516 states and 63484 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 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) [2021-12-07 00:13:19,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:21,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:21,969 INFO L93 Difference]: Finished difference Result 92765 states and 129935 transitions. [2021-12-07 00:13:21,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:13:21,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 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 468 [2021-12-07 00:13:21,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:22,132 INFO L225 Difference]: With dead ends: 92765 [2021-12-07 00:13:22,132 INFO L226 Difference]: Without dead ends: 47286 [2021-12-07 00:13:22,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:13:22,252 INFO L933 BasicCegarLoop]: 4347 mSDtfsCounter, 6718 mSDsluCounter, 3935 mSDsCounter, 0 mSdLazyCounter, 3657 mSolverCounterSat, 5077 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6718 SdHoareTripleChecker+Valid, 8282 SdHoareTripleChecker+Invalid, 8735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5077 IncrementalHoareTripleChecker+Valid, 3657 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:13:22,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6718 Valid, 8282 Invalid, 8735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5077 Valid, 3657 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2021-12-07 00:13:22,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47286 states. [2021-12-07 00:13:24,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47286 to 45516. [2021-12-07 00:13:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2336293007769146) internal successors, (37791), 31039 states have internal predecessors, (37791), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:13:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63468 transitions. [2021-12-07 00:13:24,944 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63468 transitions. Word has length 468 [2021-12-07 00:13:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:24,944 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63468 transitions. [2021-12-07 00:13:24,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 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) [2021-12-07 00:13:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63468 transitions. [2021-12-07 00:13:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2021-12-07 00:13:24,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:24,953 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, 1, 1] [2021-12-07 00:13:24,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 00:13:24,953 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:24,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:24,953 INFO L85 PathProgramCache]: Analyzing trace with hash -883998141, now seen corresponding path program 1 times [2021-12-07 00:13:24,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:24,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109106536] [2021-12-07 00:13:24,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:24,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:13:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:13:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:13:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:13:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:13:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:13:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:13:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:13:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:13:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:13:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:13:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:13:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:13:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:13:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:13:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:13:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:13:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:13:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:13:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:13:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:13:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:13:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:13:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:13:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:13:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:13:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:13:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:13:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:13:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:13:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:13:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:13:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:13:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:13:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:13:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:13:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:13:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:13:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:13:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:13:25,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:25,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109106536] [2021-12-07 00:13:25,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109106536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:25,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:25,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:13:25,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202135362] [2021-12-07 00:13:25,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:25,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:13:25,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:25,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:13:25,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:13:25,654 INFO L87 Difference]: Start difference. First operand 45516 states and 63468 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 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) [2021-12-07 00:13:41,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:13:44,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:13:44,209 INFO L93 Difference]: Finished difference Result 92793 states and 129938 transitions. [2021-12-07 00:13:44,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:13:44,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 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 469 [2021-12-07 00:13:44,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:13:44,362 INFO L225 Difference]: With dead ends: 92793 [2021-12-07 00:13:44,363 INFO L226 Difference]: Without dead ends: 47314 [2021-12-07 00:13:44,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:13:44,476 INFO L933 BasicCegarLoop]: 4344 mSDtfsCounter, 6715 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 3655 mSolverCounterSat, 5085 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6715 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 8741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5085 IncrementalHoareTripleChecker+Valid, 3655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:13:44,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6715 Valid, 8277 Invalid, 8741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5085 Valid, 3655 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2021-12-07 00:13:44,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47314 states. [2021-12-07 00:13:47,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47314 to 45516. [2021-12-07 00:13:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2331070052882418) internal successors, (37775), 31039 states have internal predecessors, (37775), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:13:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63452 transitions. [2021-12-07 00:13:47,307 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63452 transitions. Word has length 469 [2021-12-07 00:13:47,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:13:47,307 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63452 transitions. [2021-12-07 00:13:47,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 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) [2021-12-07 00:13:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63452 transitions. [2021-12-07 00:13:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-12-07 00:13:47,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:13:47,317 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, 1, 1, 1] [2021-12-07 00:13:47,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 00:13:47,317 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:13:47,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:13:47,317 INFO L85 PathProgramCache]: Analyzing trace with hash -417150120, now seen corresponding path program 1 times [2021-12-07 00:13:47,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:13:47,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410734073] [2021-12-07 00:13:47,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:13:47,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:13:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:13:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:13:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:13:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:13:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:13:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:13:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:13:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:13:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:13:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:13:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:13:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:13:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:13:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:13:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:13:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:13:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:13:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:13:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:13:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:13:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:13:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:13:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:13:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:13:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:13:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:13:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:13:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:13:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:13:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:13:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:13:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:13:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:13:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:13:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:13:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:13:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:13:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:13:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:13:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:13:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:13:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:13:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:13:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:13:48,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:13:48,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410734073] [2021-12-07 00:13:48,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410734073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:13:48,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:13:48,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:13:48,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863090371] [2021-12-07 00:13:48,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:13:48,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:13:48,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:13:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:13:48,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:13:48,090 INFO L87 Difference]: Start difference. First operand 45516 states and 63452 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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) [2021-12-07 00:14:03,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:06,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:14:06,941 INFO L93 Difference]: Finished difference Result 92793 states and 129906 transitions. [2021-12-07 00:14:06,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:14:06,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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 470 [2021-12-07 00:14:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:14:07,094 INFO L225 Difference]: With dead ends: 92793 [2021-12-07 00:14:07,094 INFO L226 Difference]: Without dead ends: 47314 [2021-12-07 00:14:07,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:14:07,204 INFO L933 BasicCegarLoop]: 4340 mSDtfsCounter, 6717 mSDsluCounter, 3932 mSDsCounter, 0 mSdLazyCounter, 3654 mSolverCounterSat, 5087 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6717 SdHoareTripleChecker+Valid, 8272 SdHoareTripleChecker+Invalid, 8742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5087 IncrementalHoareTripleChecker+Valid, 3654 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:14:07,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6717 Valid, 8272 Invalid, 8742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5087 Valid, 3654 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2021-12-07 00:14:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47314 states. [2021-12-07 00:14:09,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47314 to 45516. [2021-12-07 00:14:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.232584709799569) internal successors, (37759), 31039 states have internal predecessors, (37759), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:14:10,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63436 transitions. [2021-12-07 00:14:10,084 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63436 transitions. Word has length 470 [2021-12-07 00:14:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:14:10,085 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63436 transitions. [2021-12-07 00:14:10,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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) [2021-12-07 00:14:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63436 transitions. [2021-12-07 00:14:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-12-07 00:14:10,094 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:14:10,094 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, 1, 1, 1, 1] [2021-12-07 00:14:10,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 00:14:10,094 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:14:10,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:14:10,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1284753247, now seen corresponding path program 1 times [2021-12-07 00:14:10,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:14:10,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761727473] [2021-12-07 00:14:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:14:10,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:14:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:14:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:14:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:14:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:14:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:14:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:14:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:14:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:14:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:14:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:14:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:14:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:14:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:14:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:14:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:14:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:14:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:14:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:14:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:14:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:14:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:14:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:14:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:14:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:14:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:14:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:14:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:14:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:14:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:14:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:14:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:14:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:14:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:14:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:14:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:14:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:14:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:14:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:14:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:14:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:10,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:14:10,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:14:10,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761727473] [2021-12-07 00:14:10,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761727473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:14:10,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:14:11,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:14:11,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210507750] [2021-12-07 00:14:11,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:14:11,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:14:11,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:14:11,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:14:11,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:14:11,015 INFO L87 Difference]: Start difference. First operand 45516 states and 63436 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 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) [2021-12-07 00:14:26,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:30,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:14:30,166 INFO L93 Difference]: Finished difference Result 92765 states and 129839 transitions. [2021-12-07 00:14:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:14:30,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 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 471 [2021-12-07 00:14:30,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:14:30,327 INFO L225 Difference]: With dead ends: 92765 [2021-12-07 00:14:30,327 INFO L226 Difference]: Without dead ends: 47286 [2021-12-07 00:14:30,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:14:30,489 INFO L933 BasicCegarLoop]: 4338 mSDtfsCounter, 6712 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3651 mSolverCounterSat, 5085 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6712 SdHoareTripleChecker+Valid, 8269 SdHoareTripleChecker+Invalid, 8737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5085 IncrementalHoareTripleChecker+Valid, 3651 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:14:30,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6712 Valid, 8269 Invalid, 8737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5085 Valid, 3651 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2021-12-07 00:14:30,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47286 states. [2021-12-07 00:14:33,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47286 to 45516. [2021-12-07 00:14:33,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2320624143108965) internal successors, (37743), 31039 states have internal predecessors, (37743), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:14:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63420 transitions. [2021-12-07 00:14:33,355 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63420 transitions. Word has length 471 [2021-12-07 00:14:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:14:33,356 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63420 transitions. [2021-12-07 00:14:33,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 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) [2021-12-07 00:14:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63420 transitions. [2021-12-07 00:14:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-12-07 00:14:33,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:14:33,366 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, 1, 1, 1, 1, 1] [2021-12-07 00:14:33,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 00:14:33,366 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:14:33,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:14:33,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1676300620, now seen corresponding path program 1 times [2021-12-07 00:14:33,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:14:33,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626805738] [2021-12-07 00:14:33,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:14:33,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:14:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:14:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:14:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:14:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:14:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:14:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:14:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:14:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:14:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:14:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:14:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:14:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:14:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:14:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:14:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:14:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:14:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:14:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:14:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:14:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:14:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:14:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:14:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:14:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:14:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:14:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:14:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:14:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:14:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:14:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:14:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:14:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:14:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:14:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:14:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:14:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:14:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:14:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:14:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:14:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:14:34,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:14:34,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626805738] [2021-12-07 00:14:34,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626805738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:14:34,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:14:34,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:14:34,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362289652] [2021-12-07 00:14:34,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:14:34,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:14:34,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:14:34,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:14:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:14:34,125 INFO L87 Difference]: Start difference. First operand 45516 states and 63420 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 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) [2021-12-07 00:14:50,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:14:53,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:14:53,874 INFO L93 Difference]: Finished difference Result 92765 states and 129807 transitions. [2021-12-07 00:14:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:14:53,875 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 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 472 [2021-12-07 00:14:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:14:54,037 INFO L225 Difference]: With dead ends: 92765 [2021-12-07 00:14:54,037 INFO L226 Difference]: Without dead ends: 47286 [2021-12-07 00:14:54,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:14:54,160 INFO L933 BasicCegarLoop]: 4337 mSDtfsCounter, 6708 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3650 mSolverCounterSat, 5085 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6708 SdHoareTripleChecker+Valid, 8268 SdHoareTripleChecker+Invalid, 8736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5085 IncrementalHoareTripleChecker+Valid, 3650 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:14:54,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6708 Valid, 8268 Invalid, 8736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5085 Valid, 3650 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2021-12-07 00:14:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47286 states. [2021-12-07 00:14:57,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47286 to 45516. [2021-12-07 00:14:57,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2315401188222237) internal successors, (37727), 31039 states have internal predecessors, (37727), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:14:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63404 transitions. [2021-12-07 00:14:57,305 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63404 transitions. Word has length 472 [2021-12-07 00:14:57,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:14:57,305 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63404 transitions. [2021-12-07 00:14:57,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 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) [2021-12-07 00:14:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63404 transitions. [2021-12-07 00:14:57,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-07 00:14:57,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:14:57,315 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, 1, 1, 1, 1, 1, 1] [2021-12-07 00:14:57,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 00:14:57,316 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:14:57,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:14:57,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1134826619, now seen corresponding path program 1 times [2021-12-07 00:14:57,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:14:57,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852279475] [2021-12-07 00:14:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:14:57,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:14:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:14:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:14:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:14:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:14:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:14:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:14:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:14:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:14:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:14:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:14:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:14:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:14:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:14:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:14:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:14:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:14:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:14:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:14:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:14:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:14:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:14:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:14:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:14:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:14:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:14:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:14:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:14:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:14:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:14:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:14:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:14:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:14:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:14:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:14:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:14:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:14:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:14:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:14:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:14:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:14:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:14:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:14:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:14:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:14:58,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:14:58,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852279475] [2021-12-07 00:14:58,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852279475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:14:58,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:14:58,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:14:58,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144918659] [2021-12-07 00:14:58,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:14:58,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:14:58,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:14:58,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:14:58,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:14:58,163 INFO L87 Difference]: Start difference. First operand 45516 states and 63404 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 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) [2021-12-07 00:15:15,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:18,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:15:18,535 INFO L93 Difference]: Finished difference Result 92765 states and 129775 transitions. [2021-12-07 00:15:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:15:18,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 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 473 [2021-12-07 00:15:18,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:15:18,689 INFO L225 Difference]: With dead ends: 92765 [2021-12-07 00:15:18,689 INFO L226 Difference]: Without dead ends: 47286 [2021-12-07 00:15:18,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:15:18,806 INFO L933 BasicCegarLoop]: 4335 mSDtfsCounter, 6704 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 3648 mSolverCounterSat, 5087 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6704 SdHoareTripleChecker+Valid, 8265 SdHoareTripleChecker+Invalid, 8736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5087 IncrementalHoareTripleChecker+Valid, 3648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:15:18,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6704 Valid, 8265 Invalid, 8736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5087 Valid, 3648 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2021-12-07 00:15:18,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47286 states. [2021-12-07 00:15:21,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47286 to 45516. [2021-12-07 00:15:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.231017823333551) internal successors, (37711), 31039 states have internal predecessors, (37711), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:15:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63388 transitions. [2021-12-07 00:15:21,991 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63388 transitions. Word has length 473 [2021-12-07 00:15:21,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:15:21,992 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63388 transitions. [2021-12-07 00:15:21,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 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) [2021-12-07 00:15:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63388 transitions. [2021-12-07 00:15:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-07 00:15:22,001 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:15:22,001 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:15:22,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 00:15:22,002 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:15:22,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:15:22,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1800025584, now seen corresponding path program 1 times [2021-12-07 00:15:22,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:15:22,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17776927] [2021-12-07 00:15:22,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:15:22,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:15:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:15:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:15:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:15:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:15:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:15:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:15:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:15:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:15:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:15:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:15:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:15:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:15:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:15:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:15:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:15:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:15:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:15:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:15:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:15:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:15:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:15:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:15:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:15:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:15:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:15:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:15:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:15:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:15:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:15:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:15:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:15:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:15:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:15:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:15:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:15:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:15:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:15:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:15:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:15:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:15:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:15:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:15:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:15:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:15:22,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:15:22,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17776927] [2021-12-07 00:15:22,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17776927] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:15:22,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:15:22,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:15:22,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639476814] [2021-12-07 00:15:22,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:15:22,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:15:22,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:15:22,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:15:22,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:15:22,711 INFO L87 Difference]: Start difference. First operand 45516 states and 63388 transitions. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 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) [2021-12-07 00:15:40,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:15:43,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:15:43,908 INFO L93 Difference]: Finished difference Result 92765 states and 129743 transitions. [2021-12-07 00:15:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:15:43,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 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 474 [2021-12-07 00:15:43,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:15:44,100 INFO L225 Difference]: With dead ends: 92765 [2021-12-07 00:15:44,100 INFO L226 Difference]: Without dead ends: 47286 [2021-12-07 00:15:44,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:15:44,248 INFO L933 BasicCegarLoop]: 4334 mSDtfsCounter, 6700 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 3647 mSolverCounterSat, 5087 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6700 SdHoareTripleChecker+Valid, 8264 SdHoareTripleChecker+Invalid, 8735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5087 IncrementalHoareTripleChecker+Valid, 3647 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:15:44,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6700 Valid, 8264 Invalid, 8735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5087 Valid, 3647 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2021-12-07 00:15:44,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47286 states. [2021-12-07 00:15:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47286 to 45516. [2021-12-07 00:15:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2304955278448781) internal successors, (37695), 31039 states have internal predecessors, (37695), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:15:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63372 transitions. [2021-12-07 00:15:47,442 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63372 transitions. Word has length 474 [2021-12-07 00:15:47,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:15:47,443 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63372 transitions. [2021-12-07 00:15:47,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 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) [2021-12-07 00:15:47,443 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63372 transitions. [2021-12-07 00:15:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-12-07 00:15:47,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:15:47,453 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:15:47,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-07 00:15:47,453 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:15:47,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:15:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1823353239, now seen corresponding path program 1 times [2021-12-07 00:15:47,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:15:47,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690214222] [2021-12-07 00:15:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:15:47,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:15:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:15:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:15:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:15:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:15:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:15:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:15:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:15:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:15:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:15:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:15:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:15:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:15:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:15:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:15:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:15:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:15:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:15:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:15:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:15:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:15:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:15:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:15:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:15:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:15:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:15:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:15:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:15:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:15:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:15:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:15:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:15:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:15:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:15:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:15:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:15:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:15:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:15:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:15:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:15:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:15:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:15:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:15:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:15:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:15:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:15:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:15:48,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:15:48,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690214222] [2021-12-07 00:15:48,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690214222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:15:48,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:15:48,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:15:48,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116969095] [2021-12-07 00:15:48,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:15:48,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:15:48,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:15:48,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:15:48,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:15:48,165 INFO L87 Difference]: Start difference. First operand 45516 states and 63372 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 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) [2021-12-07 00:16:05,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:16:09,175 INFO L93 Difference]: Finished difference Result 92765 states and 129711 transitions. [2021-12-07 00:16:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:16:09,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 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 475 [2021-12-07 00:16:09,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:16:09,359 INFO L225 Difference]: With dead ends: 92765 [2021-12-07 00:16:09,359 INFO L226 Difference]: Without dead ends: 47286 [2021-12-07 00:16:09,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:16:09,500 INFO L933 BasicCegarLoop]: 4334 mSDtfsCounter, 6696 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 3647 mSolverCounterSat, 5085 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6696 SdHoareTripleChecker+Valid, 8265 SdHoareTripleChecker+Invalid, 8733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5085 IncrementalHoareTripleChecker+Valid, 3647 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:16:09,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6696 Valid, 8265 Invalid, 8733 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5085 Valid, 3647 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2021-12-07 00:16:09,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47286 states. [2021-12-07 00:16:12,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47286 to 45516. [2021-12-07 00:16:12,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2299732323562056) internal successors, (37679), 31039 states have internal predecessors, (37679), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:16:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63356 transitions. [2021-12-07 00:16:12,776 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63356 transitions. Word has length 475 [2021-12-07 00:16:12,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:16:12,777 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63356 transitions. [2021-12-07 00:16:12,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 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) [2021-12-07 00:16:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63356 transitions. [2021-12-07 00:16:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-12-07 00:16:12,787 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:16:12,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:16:12,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-07 00:16:12,787 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:16:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:16:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1701503636, now seen corresponding path program 1 times [2021-12-07 00:16:12,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:16:12,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131247973] [2021-12-07 00:16:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:16:12,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:16:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:16:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:16:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:16:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:16:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:16:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:16:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:16:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:16:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:16:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:16:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:16:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:16:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:16:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:16:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:16:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:16:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:16:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:16:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:16:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:16:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:16:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:16:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:16:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:16:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:16:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:16:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:16:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:16:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:16:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:16:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:16:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:16:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:16:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:16:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:16:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:16:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:16:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:16:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:16:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:16:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:16:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:13,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:16:13,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:16:13,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131247973] [2021-12-07 00:16:13,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131247973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:16:13,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:16:13,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:16:13,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105481028] [2021-12-07 00:16:13,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:16:13,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:16:13,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:16:13,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:16:13,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:16:13,503 INFO L87 Difference]: Start difference. First operand 45516 states and 63356 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 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) [2021-12-07 00:16:31,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:34,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:16:34,921 INFO L93 Difference]: Finished difference Result 92793 states and 129714 transitions. [2021-12-07 00:16:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:16:34,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 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 476 [2021-12-07 00:16:34,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:16:35,110 INFO L225 Difference]: With dead ends: 92793 [2021-12-07 00:16:35,110 INFO L226 Difference]: Without dead ends: 47314 [2021-12-07 00:16:35,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:16:35,252 INFO L933 BasicCegarLoop]: 4337 mSDtfsCounter, 6687 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 3648 mSolverCounterSat, 5085 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6687 SdHoareTripleChecker+Valid, 8270 SdHoareTripleChecker+Invalid, 8734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5085 IncrementalHoareTripleChecker+Valid, 3648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:16:35,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6687 Valid, 8270 Invalid, 8734 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5085 Valid, 3648 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2021-12-07 00:16:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47314 states. [2021-12-07 00:16:38,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47314 to 45516. [2021-12-07 00:16:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45516 states, 30634 states have (on average 1.2294509368675328) internal successors, (37663), 31039 states have internal predecessors, (37663), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:16:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45516 states to 45516 states and 63340 transitions. [2021-12-07 00:16:38,616 INFO L78 Accepts]: Start accepts. Automaton has 45516 states and 63340 transitions. Word has length 476 [2021-12-07 00:16:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:16:38,617 INFO L470 AbstractCegarLoop]: Abstraction has 45516 states and 63340 transitions. [2021-12-07 00:16:38,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 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) [2021-12-07 00:16:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 45516 states and 63340 transitions. [2021-12-07 00:16:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-12-07 00:16:38,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:16:38,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:16:38,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-07 00:16:38,627 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:16:38,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:16:38,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1672874485, now seen corresponding path program 1 times [2021-12-07 00:16:38,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:16:38,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115865543] [2021-12-07 00:16:38,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:16:38,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:16:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:16:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:16:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:16:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:16:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:16:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:16:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:16:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:16:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:16:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:16:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:16:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:16:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:16:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:16:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:16:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:16:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:16:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:16:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:16:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:16:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:16:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:16:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:16:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:16:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:16:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:16:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:16:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:16:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:16:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:16:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:16:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:16:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:16:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:16:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:16:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:16:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:16:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:16:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:16:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:16:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-07 00:16:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:16:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-07 00:16:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:16:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-12-07 00:16:39,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:16:39,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115865543] [2021-12-07 00:16:39,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115865543] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:16:39,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:16:39,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:16:39,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706204055] [2021-12-07 00:16:39,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:16:39,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:16:39,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:16:39,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:16:39,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:16:39,202 INFO L87 Difference]: Start difference. First operand 45516 states and 63340 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) [2021-12-07 00:16:56,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:58,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:16:59,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:02,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:17:02,131 INFO L93 Difference]: Finished difference Result 47318 states and 66060 transitions. [2021-12-07 00:17:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:17:02,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) Word has length 476 [2021-12-07 00:17:02,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:17:02,304 INFO L225 Difference]: With dead ends: 47318 [2021-12-07 00:17:02,304 INFO L226 Difference]: Without dead ends: 47316 [2021-12-07 00:17:02,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:17:02,337 INFO L933 BasicCegarLoop]: 4350 mSDtfsCounter, 996 mSDsluCounter, 12660 mSDsCounter, 0 mSdLazyCounter, 4234 mSolverCounterSat, 941 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 17010 SdHoareTripleChecker+Invalid, 5177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 941 IncrementalHoareTripleChecker+Valid, 4234 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:17:02,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1281 Valid, 17010 Invalid, 5177 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [941 Valid, 4234 Invalid, 2 Unknown, 0 Unchecked, 20.1s Time] [2021-12-07 00:17:02,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47316 states. [2021-12-07 00:17:05,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47316 to 45514. [2021-12-07 00:17:05,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45514 states, 30633 states have (on average 1.2289361146476023) internal successors, (37646), 31037 states have internal predecessors, (37646), 12823 states have call successors, (12823), 2044 states have call predecessors, (12823), 2057 states have return successors, (12854), 12715 states have call predecessors, (12854), 12823 states have call successors, (12854) [2021-12-07 00:17:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45514 states to 45514 states and 63323 transitions. [2021-12-07 00:17:05,490 INFO L78 Accepts]: Start accepts. Automaton has 45514 states and 63323 transitions. Word has length 476 [2021-12-07 00:17:05,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:17:05,491 INFO L470 AbstractCegarLoop]: Abstraction has 45514 states and 63323 transitions. [2021-12-07 00:17:05,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) [2021-12-07 00:17:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 45514 states and 63323 transitions. [2021-12-07 00:17:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-12-07 00:17:05,501 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:17:05,502 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 16, 16, 16, 16, 16, 16, 11, 11, 11, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:17:05,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-07 00:17:05,502 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:17:05,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:17:05,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1876876450, now seen corresponding path program 1 times [2021-12-07 00:17:05,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:17:05,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339580560] [2021-12-07 00:17:05,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:17:05,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:17:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:17:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:17:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:17:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:17:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:17:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:17:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:17:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:17:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:17:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:17:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:17:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:17:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:17:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:17:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:17:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:17:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:17:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:17:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:17:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:17:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:17:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:17:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:17:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:17:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:17:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:17:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:17:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:17:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:17:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:17:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:17:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:17:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:17:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:17:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:17:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:17:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:17:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:17:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:05,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:17:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:17:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:06,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-07 00:17:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-07 00:17:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-07 00:17:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 2115 trivial. 0 not checked. [2021-12-07 00:17:06,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:17:06,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339580560] [2021-12-07 00:17:06,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339580560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:17:06,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:17:06,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:17:06,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940832070] [2021-12-07 00:17:06,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:17:06,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:17:06,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:17:06,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:17:06,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:17:06,029 INFO L87 Difference]: Start difference. First operand 45514 states and 63323 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-07 00:17:24,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:30,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:17:30,076 INFO L93 Difference]: Finished difference Result 96925 states and 135052 transitions. [2021-12-07 00:17:30,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:17:30,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 486 [2021-12-07 00:17:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:17:30,294 INFO L225 Difference]: With dead ends: 96925 [2021-12-07 00:17:30,295 INFO L226 Difference]: Without dead ends: 51448 [2021-12-07 00:17:30,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:17:30,431 INFO L933 BasicCegarLoop]: 7941 mSDtfsCounter, 3984 mSDsluCounter, 6973 mSDsCounter, 0 mSdLazyCounter, 2951 mSolverCounterSat, 1792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4737 SdHoareTripleChecker+Valid, 14914 SdHoareTripleChecker+Invalid, 4743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 2951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:17:30,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4737 Valid, 14914 Invalid, 4743 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1792 Valid, 2951 Invalid, 0 Unknown, 0 Unchecked, 20.3s Time] [2021-12-07 00:17:30,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51448 states. [2021-12-07 00:17:33,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51448 to 49556. [2021-12-07 00:17:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49556 states, 33326 states have (on average 1.2288003360739364) internal successors, (40951), 33762 states have internal predecessors, (40951), 13994 states have call successors, (13994), 2222 states have call predecessors, (13994), 2235 states have return successors, (14025), 13877 states have call predecessors, (14025), 13994 states have call successors, (14025) [2021-12-07 00:17:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49556 states to 49556 states and 68970 transitions. [2021-12-07 00:17:34,140 INFO L78 Accepts]: Start accepts. Automaton has 49556 states and 68970 transitions. Word has length 486 [2021-12-07 00:17:34,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:17:34,140 INFO L470 AbstractCegarLoop]: Abstraction has 49556 states and 68970 transitions. [2021-12-07 00:17:34,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-12-07 00:17:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 49556 states and 68970 transitions. [2021-12-07 00:17:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2021-12-07 00:17:34,153 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:17:34,153 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 16, 16, 16, 16, 16, 16, 12, 12, 12, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:17:34,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-07 00:17:34,153 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:17:34,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:17:34,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1279860394, now seen corresponding path program 1 times [2021-12-07 00:17:34,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:17:34,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202828959] [2021-12-07 00:17:34,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:17:34,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:17:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:17:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:17:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:17:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:17:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:17:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:17:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:17:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:17:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:17:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:17:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:17:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:17:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:17:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:17:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:17:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:17:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:17:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:17:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:17:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:17:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:17:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:17:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:17:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:17:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:17:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:17:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:17:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:17:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:17:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:17:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:17:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:17:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:17:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:17:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:17:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:17:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:17:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:17:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:17:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-07 00:17:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-07 00:17:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:17:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-07 00:17:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-07 00:17:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-07 00:17:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:17:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2238 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-12-07 00:17:34,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:17:34,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202828959] [2021-12-07 00:17:34,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202828959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:17:34,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:17:34,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:17:34,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148844636] [2021-12-07 00:17:34,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:17:34,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:17:34,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:17:34,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:17:34,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:17:34,695 INFO L87 Difference]: Start difference. First operand 49556 states and 68970 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-07 00:17:51,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:17:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:17:58,687 INFO L93 Difference]: Finished difference Result 104229 states and 145268 transitions. [2021-12-07 00:17:58,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:17:58,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 507 [2021-12-07 00:17:58,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:17:58,891 INFO L225 Difference]: With dead ends: 104229 [2021-12-07 00:17:58,891 INFO L226 Difference]: Without dead ends: 54710 [2021-12-07 00:17:59,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:17:59,013 INFO L933 BasicCegarLoop]: 7890 mSDtfsCounter, 3943 mSDsluCounter, 6962 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 1783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 14852 SdHoareTripleChecker+Invalid, 4727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1783 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:17:59,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4691 Valid, 14852 Invalid, 4727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1783 Valid, 2943 Invalid, 1 Unknown, 0 Unchecked, 20.0s Time] [2021-12-07 00:17:59,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54710 states. [2021-12-07 00:18:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54710 to 52708. [2021-12-07 00:18:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52708 states, 35447 states have (on average 1.2289051259627048) internal successors, (43561), 35914 states have internal predecessors, (43561), 14886 states have call successors, (14886), 2361 states have call predecessors, (14886), 2374 states have return successors, (14920), 14759 states have call predecessors, (14920), 14886 states have call successors, (14920) [2021-12-07 00:18:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52708 states to 52708 states and 73367 transitions. [2021-12-07 00:18:02,685 INFO L78 Accepts]: Start accepts. Automaton has 52708 states and 73367 transitions. Word has length 507 [2021-12-07 00:18:02,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:18:02,686 INFO L470 AbstractCegarLoop]: Abstraction has 52708 states and 73367 transitions. [2021-12-07 00:18:02,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-07 00:18:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 52708 states and 73367 transitions. [2021-12-07 00:18:02,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-12-07 00:18:02,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:18:02,699 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 16, 16, 16, 16, 16, 16, 12, 12, 12, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:18:02,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-07 00:18:02,700 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:18:02,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:18:02,700 INFO L85 PathProgramCache]: Analyzing trace with hash 935169157, now seen corresponding path program 1 times [2021-12-07 00:18:02,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:18:02,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268269446] [2021-12-07 00:18:02,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:18:02,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:18:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:18:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:18:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:18:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:18:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:18:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:18:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:18:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:18:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:18:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:18:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:18:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:18:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:18:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:18:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:18:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:18:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:18:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:18:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 00:18:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:18:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 00:18:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:18:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:18:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 00:18:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-07 00:18:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:18:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:18:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-07 00:18:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:18:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:18:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-07 00:18:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 00:18:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-07 00:18:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-07 00:18:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:18:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-07 00:18:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-07 00:18:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-07 00:18:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-07 00:18:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:18:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-07 00:18:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-07 00:18:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-07 00:18:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-07 00:18:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-07 00:18:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-07 00:18:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-07 00:18:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:18:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2237 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 2183 trivial. 0 not checked. [2021-12-07 00:18:03,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:18:03,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268269446] [2021-12-07 00:18:03,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268269446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:18:03,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:18:03,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:18:03,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154263819] [2021-12-07 00:18:03,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:18:03,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:18:03,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:18:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:18:03,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:18:03,409 INFO L87 Difference]: Start difference. First operand 52708 states and 73367 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-07 00:18:21,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []