./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc --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 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 19:51:59,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 19:51:59,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 19:51:59,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 19:51:59,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 19:51:59,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 19:51:59,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 19:51:59,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 19:51:59,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 19:51:59,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 19:51:59,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 19:51:59,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 19:51:59,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 19:51:59,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 19:51:59,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 19:51:59,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 19:51:59,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 19:51:59,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 19:51:59,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 19:51:59,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 19:51:59,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 19:51:59,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 19:51:59,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 19:51:59,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 19:51:59,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 19:51:59,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 19:51:59,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 19:51:59,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 19:51:59,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 19:51:59,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 19:51:59,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 19:51:59,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 19:51:59,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 19:51:59,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 19:51:59,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 19:51:59,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 19:51:59,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 19:51:59,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 19:51:59,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 19:51:59,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 19:51:59,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 19:51:59,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 19:51:59,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 19:51:59,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 19:51:59,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 19:51:59,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 19:51:59,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 19:51:59,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 19:51:59,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 19:51:59,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 19:51:59,540 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 19:51:59,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 19:51:59,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 19:51:59,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 19:51:59,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 19:51:59,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 19:51:59,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 19:51:59,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 19:51:59,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 19:51:59,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 19:51:59,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 19:51:59,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 19:51:59,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 19:51:59,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 19:51:59,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 19:51:59,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 19:51:59,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 19:51:59,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 19:51:59,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 19:51:59,545 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 19:51:59,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 19:51:59,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 19:51:59,546 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_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 [2022-11-02 19:51:59,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 19:51:59,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 19:51:59,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 19:51:59,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 19:51:59,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 19:51:59,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2022-11-02 19:51:59,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/data/fa5d7e2f5/cf9aeeb8f98d462db468192c0b24cea2/FLAG0d458b5ae [2022-11-02 19:52:00,961 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 19:52:00,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2022-11-02 19:52:01,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/data/fa5d7e2f5/cf9aeeb8f98d462db468192c0b24cea2/FLAG0d458b5ae [2022-11-02 19:52:01,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/data/fa5d7e2f5/cf9aeeb8f98d462db468192c0b24cea2 [2022-11-02 19:52:01,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 19:52:01,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 19:52:01,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 19:52:01,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 19:52:01,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 19:52:01,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:52:01" (1/1) ... [2022-11-02 19:52:01,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd7b15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:01, skipping insertion in model container [2022-11-02 19:52:01,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:52:01" (1/1) ... [2022-11-02 19:52:01,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 19:52:01,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 19:52:04,116 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_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2022-11-02 19:52:04,119 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_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2022-11-02 19:52:04,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 19:52:04,227 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 19:52:04,648 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_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2022-11-02 19:52:04,649 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_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2022-11-02 19:52:04,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 19:52:04,856 INFO L208 MainTranslator]: Completed translation [2022-11-02 19:52:04,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04 WrapperNode [2022-11-02 19:52:04,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 19:52:04,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 19:52:04,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 19:52:04,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 19:52:04,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:04,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,138 INFO L138 Inliner]: procedures = 391, calls = 2618, calls flagged for inlining = 190, calls inlined = 155, statements flattened = 4319 [2022-11-02 19:52:05,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 19:52:05,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 19:52:05,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 19:52:05,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 19:52:05,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 19:52:05,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 19:52:05,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 19:52:05,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 19:52:05,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (1/1) ... [2022-11-02 19:52:05,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 19:52:05,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 19:52:05,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 19:52:05,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a0e62d0-2c13-46d7-9b10-3bb0824b1000/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 19:52:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2022-11-02 19:52:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2022-11-02 19:52:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 19:52:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 19:52:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 19:52:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 19:52:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 19:52:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 19:52:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2022-11-02 19:52:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2022-11-02 19:52:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2022-11-02 19:52:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2022-11-02 19:52:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 19:52:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-02 19:52:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-02 19:52:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2022-11-02 19:52:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2022-11-02 19:52:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 19:52:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 19:52:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 19:52:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 19:52:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 19:52:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 19:52:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 19:52:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 19:52:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 19:52:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 19:52:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2022-11-02 19:52:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2022-11-02 19:52:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2022-11-02 19:52:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2022-11-02 19:52:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 19:52:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 19:52:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 19:52:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-02 19:52:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-02 19:52:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 19:52:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-02 19:52:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-02 19:52:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 19:52:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 19:52:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 19:52:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 19:52:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-02 19:52:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-02 19:52:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 19:52:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 19:52:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2022-11-02 19:52:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2022-11-02 19:52:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2022-11-02 19:52:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2022-11-02 19:52:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 19:52:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 19:52:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 19:52:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 19:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 19:52:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 19:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 19:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 19:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 19:52:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 19:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-02 19:52:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-02 19:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-02 19:52:05,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-02 19:52:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-02 19:52:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-02 19:52:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 19:52:05,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 19:52:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 19:52:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 19:52:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 19:52:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 19:52:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 19:52:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 19:52:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2022-11-02 19:52:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2022-11-02 19:52:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 19:52:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 19:52:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2022-11-02 19:52:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2022-11-02 19:52:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-02 19:52:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-02 19:52:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 19:52:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 19:52:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 19:52:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 19:52:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-02 19:52:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-02 19:52:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2022-11-02 19:52:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2022-11-02 19:52:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 19:52:05,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 19:52:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 19:52:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 19:52:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 19:52:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 19:52:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 19:52:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 19:52:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 19:52:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 19:52:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 19:52:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-02 19:52:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-02 19:52:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 19:52:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 19:52:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-02 19:52:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-02 19:52:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-02 19:52:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-02 19:52:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 19:52:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 19:52:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 19:52:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 19:52:05,555 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2022-11-02 19:52:05,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2022-11-02 19:52:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-02 19:52:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-02 19:52:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 19:52:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 19:52:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 19:52:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2022-11-02 19:52:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2022-11-02 19:52:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2022-11-02 19:52:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2022-11-02 19:52:05,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 19:52:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 19:52:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2022-11-02 19:52:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2022-11-02 19:52:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-02 19:52:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2022-11-02 19:52:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2022-11-02 19:52:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-11-02 19:52:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-11-02 19:52:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2022-11-02 19:52:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2022-11-02 19:52:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 19:52:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 19:52:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 19:52:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-02 19:52:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-02 19:52:06,334 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 19:52:06,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 19:52:06,672 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 19:52:14,139 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 19:52:14,231 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 19:52:14,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 19:52:14,256 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 19:52:14,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:52:14 BoogieIcfgContainer [2022-11-02 19:52:14,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 19:52:14,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 19:52:14,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 19:52:14,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 19:52:14,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 07:52:01" (1/3) ... [2022-11-02 19:52:14,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbdc13e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:52:14, skipping insertion in model container [2022-11-02 19:52:14,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:52:04" (2/3) ... [2022-11-02 19:52:14,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbdc13e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 07:52:14, skipping insertion in model container [2022-11-02 19:52:14,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 07:52:14" (3/3) ... [2022-11-02 19:52:14,273 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2022-11-02 19:52:14,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 19:52:14,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 19:52:14,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 19:52:14,413 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47f7a07b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 19:52:14,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 19:52:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 1093 states, 752 states have (on average 1.2433510638297873) internal successors, (935), 757 states have internal predecessors, (935), 280 states have call successors, (280), 61 states have call predecessors, (280), 60 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) [2022-11-02 19:52:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-02 19:52:14,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:14,464 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:14,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:14,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:14,472 INFO L85 PathProgramCache]: Analyzing trace with hash -810960859, now seen corresponding path program 1 times [2022-11-02 19:52:14,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:14,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240833284] [2022-11-02 19:52:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:52:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:52:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:52:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:52:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:52:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:52:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:52:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:52:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:52:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 19:52:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 19:52:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 19:52:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 19:52:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 19:52:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-02 19:52:15,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:15,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240833284] [2022-11-02 19:52:15,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240833284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:15,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:15,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 19:52:15,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620799449] [2022-11-02 19:52:15,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:15,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 19:52:15,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:16,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 19:52:16,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 19:52:16,015 INFO L87 Difference]: Start difference. First operand has 1093 states, 752 states have (on average 1.2433510638297873) internal successors, (935), 757 states have internal predecessors, (935), 280 states have call successors, (280), 61 states have call predecessors, (280), 60 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-02 19:52:25,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:52:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:25,984 INFO L93 Difference]: Finished difference Result 2671 states and 3704 transitions. [2022-11-02 19:52:25,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 19:52:25,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 155 [2022-11-02 19:52:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:26,013 INFO L225 Difference]: With dead ends: 2671 [2022-11-02 19:52:26,013 INFO L226 Difference]: Without dead ends: 1523 [2022-11-02 19:52:26,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 19:52:26,032 INFO L413 NwaCegarLoop]: 1493 mSDtfsCounter, 1209 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 1018 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:26,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 3519 Invalid, 2568 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1018 Valid, 1549 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-11-02 19:52:26,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2022-11-02 19:52:26,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1500. [2022-11-02 19:52:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1075 states have (on average 1.2409302325581395) internal successors, (1334), 1083 states have internal predecessors, (1334), 333 states have call successors, (333), 91 states have call predecessors, (333), 91 states have return successors, (333), 330 states have call predecessors, (333), 333 states have call successors, (333) [2022-11-02 19:52:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2000 transitions. [2022-11-02 19:52:26,200 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2000 transitions. Word has length 155 [2022-11-02 19:52:26,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:26,203 INFO L495 AbstractCegarLoop]: Abstraction has 1500 states and 2000 transitions. [2022-11-02 19:52:26,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-02 19:52:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2000 transitions. [2022-11-02 19:52:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-02 19:52:26,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:26,225 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2022-11-02 19:52:26,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 19:52:26,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:26,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash -587412742, now seen corresponding path program 1 times [2022-11-02 19:52:26,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:26,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655067945] [2022-11-02 19:52:26,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:26,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:52:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:52:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:52:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:52:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:52:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:52:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:52:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:52:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:52:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-02 19:52:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 19:52:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 19:52:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 19:52:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 19:52:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:52:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:52:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 19:52:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 19:52:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-02 19:52:26,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:26,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655067945] [2022-11-02 19:52:26,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655067945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:26,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:26,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:52:26,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824359591] [2022-11-02 19:52:26,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:26,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:52:26,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:26,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:52:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:52:26,849 INFO L87 Difference]: Start difference. First operand 1500 states and 2000 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-02 19:52:33,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:52:38,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:38,779 INFO L93 Difference]: Finished difference Result 3979 states and 5352 transitions. [2022-11-02 19:52:38,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 19:52:38,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 178 [2022-11-02 19:52:38,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:38,801 INFO L225 Difference]: With dead ends: 3979 [2022-11-02 19:52:38,801 INFO L226 Difference]: Without dead ends: 2500 [2022-11-02 19:52:38,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-02 19:52:38,807 INFO L413 NwaCegarLoop]: 1404 mSDtfsCounter, 1978 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 1391 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1391 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:38,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 3343 Invalid, 4023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1391 Valid, 2631 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-11-02 19:52:38,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2022-11-02 19:52:38,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2464. [2022-11-02 19:52:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 1760 states have (on average 1.2375) internal successors, (2178), 1773 states have internal predecessors, (2178), 557 states have call successors, (557), 146 states have call predecessors, (557), 146 states have return successors, (560), 549 states have call predecessors, (560), 557 states have call successors, (560) [2022-11-02 19:52:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3295 transitions. [2022-11-02 19:52:38,969 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3295 transitions. Word has length 178 [2022-11-02 19:52:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:38,972 INFO L495 AbstractCegarLoop]: Abstraction has 2464 states and 3295 transitions. [2022-11-02 19:52:38,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-02 19:52:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3295 transitions. [2022-11-02 19:52:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-02 19:52:38,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:38,976 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2022-11-02 19:52:38,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 19:52:38,976 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:38,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:38,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1249953661, now seen corresponding path program 1 times [2022-11-02 19:52:38,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:38,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86786809] [2022-11-02 19:52:38,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:38,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:52:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:52:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:52:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:52:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:52:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:52:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:52:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:52:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:52:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:52:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 19:52:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 19:52:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 19:52:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:52:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-02 19:52:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 19:52:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-02 19:52:39,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:39,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86786809] [2022-11-02 19:52:39,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86786809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:39,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:39,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 19:52:39,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613756021] [2022-11-02 19:52:39,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:39,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 19:52:39,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:39,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 19:52:39,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 19:52:39,674 INFO L87 Difference]: Start difference. First operand 2464 states and 3295 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-02 19:52:47,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:52:51,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:52:53,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:52:55,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:52:57,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:52:57,198 INFO L93 Difference]: Finished difference Result 7394 states and 9949 transitions. [2022-11-02 19:52:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 19:52:57,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2022-11-02 19:52:57,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:52:57,225 INFO L225 Difference]: With dead ends: 7394 [2022-11-02 19:52:57,225 INFO L226 Difference]: Without dead ends: 4951 [2022-11-02 19:52:57,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 19:52:57,236 INFO L413 NwaCegarLoop]: 2291 mSDtfsCounter, 1636 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 1913 mSolverCounterSat, 889 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 5067 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 1913 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-02 19:52:57,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 5067 Invalid, 2805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [889 Valid, 1913 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2022-11-02 19:52:57,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4951 states. [2022-11-02 19:52:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4951 to 4873. [2022-11-02 19:52:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 3482 states have (on average 1.2366456059735784) internal successors, (4306), 3508 states have internal predecessors, (4306), 1098 states have call successors, (1098), 292 states have call predecessors, (1098), 292 states have return successors, (1104), 1082 states have call predecessors, (1104), 1098 states have call successors, (1104) [2022-11-02 19:52:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 6508 transitions. [2022-11-02 19:52:57,485 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 6508 transitions. Word has length 178 [2022-11-02 19:52:57,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:52:57,486 INFO L495 AbstractCegarLoop]: Abstraction has 4873 states and 6508 transitions. [2022-11-02 19:52:57,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-02 19:52:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 6508 transitions. [2022-11-02 19:52:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-02 19:52:57,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:52:57,492 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:52:57,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 19:52:57,493 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:52:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:52:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1819305695, now seen corresponding path program 1 times [2022-11-02 19:52:57,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:52:57,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532994571] [2022-11-02 19:52:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:52:57,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:52:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:52:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:52:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:52:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:52:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:52:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:52:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:52:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:52:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:52:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:52:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:52:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:52:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:52:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:52:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:52:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:52:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:52:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:52:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:52:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-02 19:52:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 19:52:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:52:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-02 19:52:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-02 19:52:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:52:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-11-02 19:52:58,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:52:58,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532994571] [2022-11-02 19:52:58,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532994571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:52:58,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:52:58,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 19:52:58,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844098563] [2022-11-02 19:52:58,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:52:58,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 19:52:58,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:52:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 19:52:58,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 19:52:58,210 INFO L87 Difference]: Start difference. First operand 4873 states and 6508 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 19:53:00,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:53:04,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:53:07,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:53:07,430 INFO L93 Difference]: Finished difference Result 11629 states and 15512 transitions. [2022-11-02 19:53:07,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 19:53:07,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2022-11-02 19:53:07,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:53:07,466 INFO L225 Difference]: With dead ends: 11629 [2022-11-02 19:53:07,467 INFO L226 Difference]: Without dead ends: 6777 [2022-11-02 19:53:07,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 19:53:07,486 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 1446 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-02 19:53:07,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 4015 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [768 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-11-02 19:53:07,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6777 states. [2022-11-02 19:53:07,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6777 to 6691. [2022-11-02 19:53:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.236416424720033) internal successors, (5962), 4858 states have internal predecessors, (5962), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-11-02 19:53:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8816 transitions. [2022-11-02 19:53:07,873 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8816 transitions. Word has length 243 [2022-11-02 19:53:07,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:53:07,875 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8816 transitions. [2022-11-02 19:53:07,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-02 19:53:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8816 transitions. [2022-11-02 19:53:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-02 19:53:07,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:53:07,885 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:53:07,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 19:53:07,886 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:53:07,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:53:07,887 INFO L85 PathProgramCache]: Analyzing trace with hash -844719428, now seen corresponding path program 1 times [2022-11-02 19:53:07,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:53:07,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961783313] [2022-11-02 19:53:07,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:53:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:53:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:53:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:53:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:53:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:53:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:53:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:53:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:53:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:53:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:53:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:53:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:53:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:53:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:53:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:53:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:53:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:53:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:53:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:53:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:53:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:53:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:53:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:53:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:53:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:53:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:53:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:53:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:53:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:53:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:53:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:53:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:53:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:53:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:53:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:53:09,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:53:09,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961783313] [2022-11-02 19:53:09,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961783313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:53:09,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:53:09,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 19:53:09,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400566607] [2022-11-02 19:53:09,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:53:09,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 19:53:09,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:53:09,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 19:53:09,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 19:53:09,244 INFO L87 Difference]: Start difference. First operand 6691 states and 8816 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:11,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:53:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:53:12,675 INFO L93 Difference]: Finished difference Result 13393 states and 17891 transitions. [2022-11-02 19:53:12,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:53:12,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 363 [2022-11-02 19:53:12,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:53:12,711 INFO L225 Difference]: With dead ends: 13393 [2022-11-02 19:53:12,711 INFO L226 Difference]: Without dead ends: 6723 [2022-11-02 19:53:12,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:53:12,738 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 1285 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 2675 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-02 19:53:12,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 2675 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-02 19:53:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2022-11-02 19:53:13,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2022-11-02 19:53:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2343425964330152) internal successors, (5952), 4858 states have internal predecessors, (5952), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-11-02 19:53:13,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8806 transitions. [2022-11-02 19:53:13,181 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8806 transitions. Word has length 363 [2022-11-02 19:53:13,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:53:13,182 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8806 transitions. [2022-11-02 19:53:13,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8806 transitions. [2022-11-02 19:53:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-11-02 19:53:13,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:53:13,192 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:53:13,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 19:53:13,192 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:53:13,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:53:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1844694386, now seen corresponding path program 1 times [2022-11-02 19:53:13,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:53:13,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977292547] [2022-11-02 19:53:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:53:13,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:53:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:53:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:53:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:53:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:53:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:53:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:53:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:53:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:53:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:53:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:53:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:53:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:53:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:53:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:53:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:53:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:53:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:53:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:53:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:53:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:53:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:53:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:53:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:53:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:53:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:53:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:53:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:53:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:53:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:53:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:53:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:53:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:53:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:53:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:53:14,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:53:14,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977292547] [2022-11-02 19:53:14,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977292547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:53:14,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:53:14,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:53:14,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816564516] [2022-11-02 19:53:14,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:53:14,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:53:14,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:53:14,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:53:14,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:53:14,719 INFO L87 Difference]: Start difference. First operand 6691 states and 8806 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:18,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:53:19,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:53:19,284 INFO L93 Difference]: Finished difference Result 13393 states and 17871 transitions. [2022-11-02 19:53:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:53:19,285 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 364 [2022-11-02 19:53:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:53:19,318 INFO L225 Difference]: With dead ends: 13393 [2022-11-02 19:53:19,318 INFO L226 Difference]: Without dead ends: 6723 [2022-11-02 19:53:19,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:53:19,339 INFO L413 NwaCegarLoop]: 1354 mSDtfsCounter, 1914 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 2342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-02 19:53:19,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1914 Valid, 2673 Invalid, 2342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-02 19:53:19,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2022-11-02 19:53:19,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2022-11-02 19:53:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2322687681459976) internal successors, (5942), 4858 states have internal predecessors, (5942), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-11-02 19:53:19,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8796 transitions. [2022-11-02 19:53:19,837 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8796 transitions. Word has length 364 [2022-11-02 19:53:19,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:53:19,838 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8796 transitions. [2022-11-02 19:53:19,839 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8796 transitions. [2022-11-02 19:53:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-11-02 19:53:19,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:53:19,848 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:53:19,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 19:53:19,849 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:53:19,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:53:19,849 INFO L85 PathProgramCache]: Analyzing trace with hash -568306696, now seen corresponding path program 1 times [2022-11-02 19:53:19,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:53:19,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167415300] [2022-11-02 19:53:19,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:53:19,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:53:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:53:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:53:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:53:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:53:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:53:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:53:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:53:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:53:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:53:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:53:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:53:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:53:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:53:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:53:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:53:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:53:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:53:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:53:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:20,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:53:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:53:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:53:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:53:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:53:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:53:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:53:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:53:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:53:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:53:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:53:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:53:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:53:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:53:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:53:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:53:21,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:53:21,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167415300] [2022-11-02 19:53:21,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167415300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:53:21,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:53:21,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:53:21,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939928860] [2022-11-02 19:53:21,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:53:21,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:53:21,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:53:21,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:53:21,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:53:21,292 INFO L87 Difference]: Start difference. First operand 6691 states and 8796 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:25,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:53:26,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:53:26,209 INFO L93 Difference]: Finished difference Result 13393 states and 17851 transitions. [2022-11-02 19:53:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:53:26,210 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 365 [2022-11-02 19:53:26,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:53:26,242 INFO L225 Difference]: With dead ends: 13393 [2022-11-02 19:53:26,242 INFO L226 Difference]: Without dead ends: 6723 [2022-11-02 19:53:26,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:53:26,262 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 1910 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-02 19:53:26,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 2672 Invalid, 2341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1027 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-02 19:53:26,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2022-11-02 19:53:26,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2022-11-02 19:53:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2301949398589798) internal successors, (5932), 4858 states have internal predecessors, (5932), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-11-02 19:53:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8786 transitions. [2022-11-02 19:53:26,838 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8786 transitions. Word has length 365 [2022-11-02 19:53:26,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:53:26,839 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8786 transitions. [2022-11-02 19:53:26,839 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8786 transitions. [2022-11-02 19:53:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-11-02 19:53:26,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:53:26,848 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:53:26,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 19:53:26,849 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:53:26,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:53:26,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2052587694, now seen corresponding path program 1 times [2022-11-02 19:53:26,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:53:26,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040176961] [2022-11-02 19:53:26,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:53:26,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:53:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:53:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:53:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:53:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:53:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:53:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:53:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:53:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:53:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:53:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:53:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:53:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:53:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:53:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:53:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:53:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:53:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:53:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:53:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:53:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:53:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:53:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:53:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:53:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:53:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:53:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:53:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:53:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:53:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:53:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:53:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:53:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:53:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:53:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:28,598 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:53:28,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:53:28,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040176961] [2022-11-02 19:53:28,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040176961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:53:28,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:53:28,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:53:28,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520032197] [2022-11-02 19:53:28,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:53:28,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:53:28,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:53:28,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:53:28,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:53:28,602 INFO L87 Difference]: Start difference. First operand 6691 states and 8786 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:33,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:53:37,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:53:37,890 INFO L93 Difference]: Finished difference Result 25161 states and 33561 transitions. [2022-11-02 19:53:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 19:53:37,899 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 366 [2022-11-02 19:53:37,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:53:37,975 INFO L225 Difference]: With dead ends: 25161 [2022-11-02 19:53:37,975 INFO L226 Difference]: Without dead ends: 18491 [2022-11-02 19:53:37,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-02 19:53:37,997 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 4385 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 3027 mSolverCounterSat, 2006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4693 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2006 IncrementalHoareTripleChecker+Valid, 3027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-02 19:53:37,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4693 Valid, 5842 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2006 Valid, 3027 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-02 19:53:38,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18491 states. [2022-11-02 19:53:39,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18491 to 18407. [2022-11-02 19:53:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2330082520630157) internal successors, (16436), 13462 states have internal predecessors, (16436), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:53:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24434 transitions. [2022-11-02 19:53:39,684 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24434 transitions. Word has length 366 [2022-11-02 19:53:39,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:53:39,685 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24434 transitions. [2022-11-02 19:53:39,686 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24434 transitions. [2022-11-02 19:53:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-11-02 19:53:39,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:53:39,694 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:53:39,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 19:53:39,695 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:53:39,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:53:39,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1810451764, now seen corresponding path program 1 times [2022-11-02 19:53:39,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:53:39,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281165903] [2022-11-02 19:53:39,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:53:39,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:53:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:53:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:53:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:53:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:53:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:53:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:53:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:53:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:53:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:53:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:53:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:53:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:53:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:53:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:53:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:53:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:53:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:53:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:53:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:53:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:53:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:53:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:53:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:53:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:53:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:53:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:53:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:53:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:53:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:53:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:53:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:53:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:53:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:53:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:53:40,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:53:40,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281165903] [2022-11-02 19:53:40,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281165903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:53:40,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:53:40,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:53:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171034337] [2022-11-02 19:53:40,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:53:40,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:53:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:53:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:53:40,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:53:40,939 INFO L87 Difference]: Start difference. First operand 18407 states and 24434 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:53:45,849 INFO L93 Difference]: Finished difference Result 36857 states and 49679 transitions. [2022-11-02 19:53:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:53:45,850 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 367 [2022-11-02 19:53:45,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:53:45,937 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:53:45,938 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:53:46,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:53:46,004 INFO L413 NwaCegarLoop]: 1352 mSDtfsCounter, 1905 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 2671 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-02 19:53:46,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1905 Valid, 2671 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-02 19:53:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-11-02 19:53:47,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-11-02 19:53:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2310577644411103) internal successors, (16410), 13462 states have internal predecessors, (16410), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:53:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24408 transitions. [2022-11-02 19:53:47,475 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24408 transitions. Word has length 367 [2022-11-02 19:53:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:53:47,476 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24408 transitions. [2022-11-02 19:53:47,476 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24408 transitions. [2022-11-02 19:53:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-11-02 19:53:47,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:53:47,482 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:53:47,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 19:53:47,482 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:53:47,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:53:47,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1286278166, now seen corresponding path program 1 times [2022-11-02 19:53:47,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:53:47,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376497694] [2022-11-02 19:53:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:53:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:53:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:53:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:53:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:53:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:53:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:53:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:53:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:53:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:53:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:53:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:53:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:53:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:53:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:53:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:53:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:53:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:53:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:53:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:53:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:53:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:53:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:53:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:53:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:53:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:53:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:53:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:53:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:53:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:53:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:53:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:53:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:53:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:53:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:53:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:53:48,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:53:48,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376497694] [2022-11-02 19:53:48,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376497694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:53:48,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:53:48,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:53:48,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546655652] [2022-11-02 19:53:48,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:53:48,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:53:48,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:53:48,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:53:48,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:53:48,833 INFO L87 Difference]: Start difference. First operand 18407 states and 24408 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:53:53,368 INFO L93 Difference]: Finished difference Result 36857 states and 49627 transitions. [2022-11-02 19:53:53,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:53:53,369 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 368 [2022-11-02 19:53:53,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:53:53,458 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:53:53,459 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:53:53,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:53:53,520 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1901 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 2670 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-02 19:53:53,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 2670 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-02 19:53:53,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-11-02 19:53:55,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-11-02 19:53:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2291072768192048) internal successors, (16384), 13462 states have internal predecessors, (16384), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:53:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24382 transitions. [2022-11-02 19:53:55,217 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24382 transitions. Word has length 368 [2022-11-02 19:53:55,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:53:55,218 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24382 transitions. [2022-11-02 19:53:55,219 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24382 transitions. [2022-11-02 19:53:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-02 19:53:55,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:53:55,224 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:53:55,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 19:53:55,224 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:53:55,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:53:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1613858416, now seen corresponding path program 1 times [2022-11-02 19:53:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:53:55,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857476687] [2022-11-02 19:53:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:53:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:53:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:53:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:53:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:53:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:53:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:53:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:53:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:53:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:53:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:53:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:53:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:53:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:53:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:53:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:53:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:53:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:53:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:53:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:53:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:53:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:53:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:53:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:53:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:53:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:53:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:53:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:53:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:53:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:53:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:53:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:53:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:53:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:53:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:53:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:53:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:53:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:53:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:53:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:53:56,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:53:56,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857476687] [2022-11-02 19:53:56,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857476687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:53:56,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:53:56,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:53:56,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454201649] [2022-11-02 19:53:56,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:53:56,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:53:56,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:53:56,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:53:56,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:53:56,459 INFO L87 Difference]: Start difference. First operand 18407 states and 24382 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:53:59,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:54:01,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:01,047 INFO L93 Difference]: Finished difference Result 36857 states and 49575 transitions. [2022-11-02 19:54:01,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:54:01,048 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 369 [2022-11-02 19:54:01,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:01,126 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:54:01,126 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:54:01,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:54:01,326 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 1897 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 2669 SdHoareTripleChecker+Invalid, 2338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:01,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 2669 Invalid, 2338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-02 19:54:01,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-11-02 19:54:02,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-11-02 19:54:02,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2271567891972994) internal successors, (16358), 13462 states have internal predecessors, (16358), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:54:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24356 transitions. [2022-11-02 19:54:02,922 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24356 transitions. Word has length 369 [2022-11-02 19:54:02,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:02,923 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24356 transitions. [2022-11-02 19:54:02,923 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24356 transitions. [2022-11-02 19:54:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-11-02 19:54:02,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:02,931 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:02,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 19:54:02,931 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:02,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:02,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1438295846, now seen corresponding path program 1 times [2022-11-02 19:54:02,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:02,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818099879] [2022-11-02 19:54:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:02,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:54:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:54:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:54:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:54:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:54:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:54:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:54:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:54:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:54:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:54:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:54:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:54:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:54:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:54:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:54:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:54:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:54:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:54:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:54:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:54:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:54:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:54:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:54:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:54:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:54:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:54:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:54:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:54:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:54:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:54:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:54:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:54:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:54:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:54:04,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:04,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818099879] [2022-11-02 19:54:04,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818099879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:04,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:04,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:54:04,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627785491] [2022-11-02 19:54:04,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:04,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:54:04,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:04,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:54:04,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:54:04,276 INFO L87 Difference]: Start difference. First operand 18407 states and 24356 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:09,087 INFO L93 Difference]: Finished difference Result 36857 states and 49523 transitions. [2022-11-02 19:54:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:54:09,087 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 370 [2022-11-02 19:54:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:09,166 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:54:09,167 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:54:09,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:54:09,231 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 1893 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:09,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 2668 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-02 19:54:09,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-11-02 19:54:10,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-11-02 19:54:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2252063015753938) internal successors, (16332), 13462 states have internal predecessors, (16332), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:54:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24330 transitions. [2022-11-02 19:54:10,980 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24330 transitions. Word has length 370 [2022-11-02 19:54:10,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:10,981 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24330 transitions. [2022-11-02 19:54:10,981 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24330 transitions. [2022-11-02 19:54:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-02 19:54:10,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:10,990 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:10,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 19:54:10,990 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:10,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:10,991 INFO L85 PathProgramCache]: Analyzing trace with hash 405340076, now seen corresponding path program 1 times [2022-11-02 19:54:10,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:10,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545068533] [2022-11-02 19:54:10,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:10,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:54:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:54:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:54:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:54:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:54:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:54:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:54:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:54:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:54:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:54:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:54:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:54:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:54:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:54:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:54:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:54:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:54:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:54:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:54:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:54:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:54:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:54:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:54:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:54:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:54:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:54:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:54:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:54:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:54:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:54:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:54:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:54:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:54:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:54:12,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:12,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545068533] [2022-11-02 19:54:12,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545068533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:12,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:12,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:54:12,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082704906] [2022-11-02 19:54:12,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:12,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:54:12,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:12,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:54:12,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:54:12,261 INFO L87 Difference]: Start difference. First operand 18407 states and 24330 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:16,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:54:18,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:18,339 INFO L93 Difference]: Finished difference Result 36857 states and 49471 transitions. [2022-11-02 19:54:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:54:18,339 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 371 [2022-11-02 19:54:18,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:18,411 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:54:18,411 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:54:18,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:54:18,466 INFO L413 NwaCegarLoop]: 1348 mSDtfsCounter, 1889 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:18,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 2667 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1022 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-02 19:54:18,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-11-02 19:54:20,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-11-02 19:54:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2232558139534884) internal successors, (16306), 13462 states have internal predecessors, (16306), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:54:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24304 transitions. [2022-11-02 19:54:20,072 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24304 transitions. Word has length 371 [2022-11-02 19:54:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:20,073 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24304 transitions. [2022-11-02 19:54:20,073 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24304 transitions. [2022-11-02 19:54:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-11-02 19:54:20,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:20,080 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:20,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 19:54:20,080 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1437001118, now seen corresponding path program 1 times [2022-11-02 19:54:20,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:20,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830821568] [2022-11-02 19:54:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:20,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:54:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:54:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:54:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:54:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:54:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:54:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:54:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:54:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:54:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:54:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:54:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:54:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:54:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:54:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:54:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:54:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:54:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:54:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:54:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:54:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:54:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:54:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:54:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:54:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:54:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:54:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:54:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:54:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:54:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:54:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:54:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:54:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:54:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:54:21,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:21,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830821568] [2022-11-02 19:54:21,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830821568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:21,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:21,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:54:21,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480471554] [2022-11-02 19:54:21,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:21,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:54:21,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:21,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:54:21,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:54:21,240 INFO L87 Difference]: Start difference. First operand 18407 states and 24304 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:25,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:54:27,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:27,467 INFO L93 Difference]: Finished difference Result 36857 states and 49419 transitions. [2022-11-02 19:54:27,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:54:27,468 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 372 [2022-11-02 19:54:27,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:27,534 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:54:27,534 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:54:27,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:54:27,586 INFO L413 NwaCegarLoop]: 1347 mSDtfsCounter, 1885 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:27,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 2666 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1021 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-02 19:54:27,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-11-02 19:54:29,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-11-02 19:54:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.221305326331583) internal successors, (16280), 13462 states have internal predecessors, (16280), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:54:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24278 transitions. [2022-11-02 19:54:29,205 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24278 transitions. Word has length 372 [2022-11-02 19:54:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:29,206 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24278 transitions. [2022-11-02 19:54:29,206 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:29,206 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24278 transitions. [2022-11-02 19:54:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-02 19:54:29,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:29,211 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:29,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 19:54:29,212 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:29,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:29,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1694480616, now seen corresponding path program 1 times [2022-11-02 19:54:29,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:29,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269930135] [2022-11-02 19:54:29,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:29,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:54:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:54:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:54:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:54:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:54:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:54:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:54:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:54:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:54:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:54:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:54:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:54:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:54:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:54:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:54:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:54:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:54:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:54:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:54:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:54:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:54:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:54:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:54:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:54:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:54:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:54:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:54:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:54:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:54:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:54:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:54:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:54:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:54:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:54:30,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:30,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269930135] [2022-11-02 19:54:30,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269930135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:30,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:30,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:54:30,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072702092] [2022-11-02 19:54:30,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:30,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:54:30,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:30,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:54:30,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:54:30,175 INFO L87 Difference]: Start difference. First operand 18407 states and 24278 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:35,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:35,331 INFO L93 Difference]: Finished difference Result 36857 states and 49367 transitions. [2022-11-02 19:54:35,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:54:35,332 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 373 [2022-11-02 19:54:35,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:35,378 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:54:35,378 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:54:35,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:54:35,412 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 1881 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:35,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 2665 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-02 19:54:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-11-02 19:54:37,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-11-02 19:54:37,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2193548387096773) internal successors, (16254), 13462 states have internal predecessors, (16254), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-11-02 19:54:37,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24252 transitions. [2022-11-02 19:54:37,312 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24252 transitions. Word has length 373 [2022-11-02 19:54:37,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 19:54:37,312 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24252 transitions. [2022-11-02 19:54:37,313 INFO L496 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, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24252 transitions. [2022-11-02 19:54:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-11-02 19:54:37,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 19:54:37,318 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 19:54:37,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 19:54:37,319 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 19:54:37,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 19:54:37,320 INFO L85 PathProgramCache]: Analyzing trace with hash 100683166, now seen corresponding path program 1 times [2022-11-02 19:54:37,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 19:54:37,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155774779] [2022-11-02 19:54:37,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 19:54:37,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 19:54:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 19:54:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 19:54:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 19:54:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 19:54:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 19:54:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 19:54:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 19:54:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 19:54:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 19:54:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 19:54:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 19:54:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 19:54:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 19:54:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 19:54:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 19:54:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 19:54:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 19:54:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 19:54:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 19:54:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 19:54:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 19:54:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 19:54:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 19:54:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 19:54:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 19:54:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 19:54:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 19:54:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 19:54:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 19:54:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 19:54:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-02 19:54:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 19:54:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-02 19:54:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-11-02 19:54:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 19:54:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-02 19:54:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 19:54:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-02 19:54:38,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 19:54:38,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155774779] [2022-11-02 19:54:38,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155774779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 19:54:38,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 19:54:38,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 19:54:38,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98383360] [2022-11-02 19:54:38,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 19:54:38,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 19:54:38,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 19:54:38,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 19:54:38,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 19:54:38,175 INFO L87 Difference]: Start difference. First operand 18407 states and 24252 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 19:54:42,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 19:54:44,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 19:54:44,339 INFO L93 Difference]: Finished difference Result 36857 states and 49315 transitions. [2022-11-02 19:54:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 19:54:44,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 374 [2022-11-02 19:54:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 19:54:44,405 INFO L225 Difference]: With dead ends: 36857 [2022-11-02 19:54:44,406 INFO L226 Difference]: Without dead ends: 18471 [2022-11-02 19:54:44,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-02 19:54:44,555 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 1877 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 2664 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-02 19:54:44,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 2664 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1019 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-02 19:54:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states.