./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_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/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_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/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_af07e587-cc34-4fd4-93d7-ed326080e359/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 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da --- 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 20:40:32,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:40:32,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:40:32,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:40:32,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:40:32,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:40:32,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:40:32,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:40:32,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:40:32,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:40:32,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:40:32,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:40:32,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:40:32,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:40:32,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:40:32,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:40:32,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:40:32,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:40:32,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:40:32,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:40:32,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:40:32,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:40:32,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:40:32,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:40:32,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:40:32,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:40:32,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:40:32,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:40:32,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:40:32,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:40:32,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:40:32,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:40:32,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:40:32,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:40:32,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:40:32,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:40:32,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:40:32,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:40:32,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:40:32,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:40:32,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:40:32,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:40:32,665 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:40:32,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:40:32,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:40:32,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:40:32,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:40:32,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:40:32,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:40:32,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:40:32,670 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:40:32,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:40:32,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:40:32,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:40:32,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:40:32,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:40:32,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:40:32,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:40:32,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:40:32,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:40:32,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:40:32,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:40:32,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:40:32,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:40:32,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:40:32,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:40:32,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:40:32,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:40:32,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:40:32,676 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:40:32,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:40:32,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:40:32,677 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_af07e587-cc34-4fd4-93d7-ed326080e359/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2022-11-02 20:40:33,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:40:33,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:40:33,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:40:33,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:40:33,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:40:33,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-11-02 20:40:33,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/data/1d3e48396/71187110c7b44e2fb3743d1e2d62d157/FLAG996f849d9 [2022-11-02 20:40:34,195 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:40:34,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-11-02 20:40:34,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/data/1d3e48396/71187110c7b44e2fb3743d1e2d62d157/FLAG996f849d9 [2022-11-02 20:40:34,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/data/1d3e48396/71187110c7b44e2fb3743d1e2d62d157 [2022-11-02 20:40:34,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:40:34,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:40:34,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:34,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:40:34,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:40:34,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:34" (1/1) ... [2022-11-02 20:40:34,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5ca57f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:34, skipping insertion in model container [2022-11-02 20:40:34,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:34" (1/1) ... [2022-11-02 20:40:34,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:40:34,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:40:39,306 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_af07e587-cc34-4fd4-93d7-ed326080e359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2022-11-02 20:40:39,310 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_af07e587-cc34-4fd4-93d7-ed326080e359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2022-11-02 20:40:39,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:39,356 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:40:39,954 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_af07e587-cc34-4fd4-93d7-ed326080e359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2022-11-02 20:40:39,954 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_af07e587-cc34-4fd4-93d7-ed326080e359/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2022-11-02 20:40:39,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:40,174 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:40:40,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40 WrapperNode [2022-11-02 20:40:40,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:40,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:40,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:40:40,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:40:40,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,500 INFO L138 Inliner]: procedures = 518, calls = 2126, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5323 [2022-11-02 20:40:40,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:40,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:40:40,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:40:40,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:40:40,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,900 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:40:40,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:40:40,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:40:40,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:40:40,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (1/1) ... [2022-11-02 20:40:40,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:40:41,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:41,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:40:41,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af07e587-cc34-4fd4-93d7-ed326080e359/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:40:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-11-02 20:40:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-11-02 20:40:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-02 20:40:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-11-02 20:40:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-11-02 20:40:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-11-02 20:40:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-11-02 20:40:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-11-02 20:40:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-11-02 20:40:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:40:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:40:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 20:40:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 20:40:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:40:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:40:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 20:40:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 20:40:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-11-02 20:40:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-11-02 20:40:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-11-02 20:40:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-11-02 20:40:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:40:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:40:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-11-02 20:40:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-11-02 20:40:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-11-02 20:40:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-11-02 20:40:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-11-02 20:40:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-11-02 20:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-02 20:40:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-02 20:40:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-11-02 20:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-11-02 20:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:40:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-11-02 20:40:41,099 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-11-02 20:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-02 20:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:40:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:40:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-11-02 20:40:41,100 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-11-02 20:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2022-11-02 20:40:41,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2022-11-02 20:40:41,101 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-11-02 20:40:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-11-02 20:40:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2022-11-02 20:40:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2022-11-02 20:40:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:40:41,103 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:40:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-11-02 20:40:41,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-11-02 20:40:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:40:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:40:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:40:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-11-02 20:40:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-11-02 20:40:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-11-02 20:40:41,108 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-11-02 20:40:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:40:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:40:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:40:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-11-02 20:40:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-11-02 20:40:41,110 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-11-02 20:40:41,110 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-11-02 20:40:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-11-02 20:40:41,111 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-11-02 20:40:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:40:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-11-02 20:40:41,112 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-11-02 20:40:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-02 20:40:41,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-02 20:40:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-11-02 20:40:41,113 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-11-02 20:40:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:40:41,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:40:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-11-02 20:40:41,114 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-11-02 20:40:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:40:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:40:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:40:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:40:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-02 20:40:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-02 20:40:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-11-02 20:40:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-11-02 20:40:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:40:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:40:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:40:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:40:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:40:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-11-02 20:40:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-11-02 20:40:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-02 20:40:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-02 20:40:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-11-02 20:40:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-11-02 20:40:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-02 20:40:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-02 20:40:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:40:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-11-02 20:40:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-11-02 20:40:41,121 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-11-02 20:40:41,121 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-11-02 20:40:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:40:41,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:40:41,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:40:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-11-02 20:40:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-11-02 20:40:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-11-02 20:40:41,123 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-11-02 20:40:41,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:40:41,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:40:41,124 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-11-02 20:40:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-11-02 20:40:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-02 20:40:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-02 20:40:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-02 20:40:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-02 20:40:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-02 20:40:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-02 20:40:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:40:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:40:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-11-02 20:40:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-11-02 20:40:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-11-02 20:40:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-11-02 20:40:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:40:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:40:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-11-02 20:40:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-11-02 20:40:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:40:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:40:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:40:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:40:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:40:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:40:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:40:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:40:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-11-02 20:40:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-11-02 20:40:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-11-02 20:40:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-11-02 20:40:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-11-02 20:40:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-11-02 20:40:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-11-02 20:40:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-11-02 20:40:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-11-02 20:40:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-11-02 20:40:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-11-02 20:40:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-11-02 20:40:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-11-02 20:40:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-11-02 20:40:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-11-02 20:40:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-11-02 20:40:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-11-02 20:40:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-11-02 20:40:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-11-02 20:40:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-11-02 20:40:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-02 20:40:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-02 20:40:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-11-02 20:40:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-11-02 20:40:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-11-02 20:40:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-11-02 20:40:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-11-02 20:40:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-11-02 20:40:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-11-02 20:40:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-11-02 20:40:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:40:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:40:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 20:40:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 20:40:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-11-02 20:40:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-11-02 20:40:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-11-02 20:40:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-11-02 20:40:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:40:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:40:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:40:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-11-02 20:40:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-11-02 20:40:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-11-02 20:40:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-11-02 20:40:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-11-02 20:40:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-11-02 20:40:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:40:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-11-02 20:40:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-11-02 20:40:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-02 20:40:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-02 20:40:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:40:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-11-02 20:40:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-11-02 20:40:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-11-02 20:40:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-11-02 20:40:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:40:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:40:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 20:40:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 20:40:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-11-02 20:40:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-11-02 20:40:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:40:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:40:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-11-02 20:40:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-11-02 20:40:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:40:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:40:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-11-02 20:40:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-11-02 20:40:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-11-02 20:40:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-11-02 20:40:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:40:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:40:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-11-02 20:40:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-11-02 20:40:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-11-02 20:40:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-11-02 20:40:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-11-02 20:40:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-11-02 20:40:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:40:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:40:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:40:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:40:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-11-02 20:40:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-11-02 20:40:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:40:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-11-02 20:40:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-11-02 20:40:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-11-02 20:40:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-11-02 20:40:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:40:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:40:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-11-02 20:40:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-11-02 20:40:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-02 20:40:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:40:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:40:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2022-11-02 20:40:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2022-11-02 20:40:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:40:41,163 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:40:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-11-02 20:40:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-11-02 20:40:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:40:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:40:41,167 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-11-02 20:40:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-11-02 20:40:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:40:41,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:40:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-11-02 20:40:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-11-02 20:40:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-11-02 20:40:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-11-02 20:40:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-11-02 20:40:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-11-02 20:40:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-11-02 20:40:41,170 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-11-02 20:40:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:40:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:40:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:40:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-11-02 20:40:41,171 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-11-02 20:40:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:40:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:40:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-11-02 20:40:41,172 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-11-02 20:40:42,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:40:42,461 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:40:43,369 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:40:46,859 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:40:47,111 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:40:47,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:40:47,148 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:40:47,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:47 BoogieIcfgContainer [2022-11-02 20:40:47,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:40:47,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:40:47,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:40:47,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:40:47,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:40:34" (1/3) ... [2022-11-02 20:40:47,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7159bd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:40:47, skipping insertion in model container [2022-11-02 20:40:47,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:40" (2/3) ... [2022-11-02 20:40:47,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7159bd39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:40:47, skipping insertion in model container [2022-11-02 20:40:47,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:47" (3/3) ... [2022-11-02 20:40:47,169 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-11-02 20:40:47,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:40:47,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:40:47,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:40:47,414 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;@1b0cfe77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:40:47,415 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:40:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) [2022-11-02 20:40:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-02 20:40:47,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:47,488 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:47,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:40:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:47,500 INFO L85 PathProgramCache]: Analyzing trace with hash -284622610, now seen corresponding path program 1 times [2022-11-02 20:40:47,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:47,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374143515] [2022-11-02 20:40:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:47,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:40:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:40:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:40:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:40:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:40:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:40:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:40:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:40:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:40:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:40:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:40:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:40:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:40:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:40:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:40:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:40:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:40:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:40:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:40:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:40:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:40:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:40:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:40:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:40:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:40:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:40:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:40:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:40:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:40:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:40:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:40:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:40:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-02 20:40:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:40:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-02 20:40:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-11-02 20:40:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-11-02 20:40:49,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:49,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374143515] [2022-11-02 20:40:49,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374143515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:49,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:49,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:40:49,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255488173] [2022-11-02 20:40:49,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:49,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:40:49,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:49,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:40:49,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:40:49,719 INFO L87 Difference]: Start difference. First operand has 2168 states, 1441 states have (on average 1.2914642609299098) internal successors, (1861), 1489 states have internal predecessors, (1861), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-02 20:40:57,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:57,682 INFO L93 Difference]: Finished difference Result 6634 states and 9581 transitions. [2022-11-02 20:40:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:40:57,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 408 [2022-11-02 20:40:57,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:57,753 INFO L225 Difference]: With dead ends: 6634 [2022-11-02 20:40:57,753 INFO L226 Difference]: Without dead ends: 4466 [2022-11-02 20:40:57,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:40:57,777 INFO L413 NwaCegarLoop]: 3275 mSDtfsCounter, 3945 mSDsluCounter, 3094 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 1901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4402 SdHoareTripleChecker+Valid, 6369 SdHoareTripleChecker+Invalid, 4486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1901 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:57,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4402 Valid, 6369 Invalid, 4486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1901 Valid, 2585 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-02 20:40:57,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2022-11-02 20:40:58,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4078. [2022-11-02 20:40:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2741 states have (on average 1.2885808099233855) internal successors, (3532), 2837 states have internal predecessors, (3532), 1092 states have call successors, (1092), 244 states have call predecessors, (1092), 244 states have return successors, (1092), 1044 states have call predecessors, (1092), 1092 states have call successors, (1092) [2022-11-02 20:40:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5716 transitions. [2022-11-02 20:40:58,251 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5716 transitions. Word has length 408 [2022-11-02 20:40:58,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:58,254 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 5716 transitions. [2022-11-02 20:40:58,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-02 20:40:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5716 transitions. [2022-11-02 20:40:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-11-02 20:40:58,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:58,266 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:58,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:40:58,267 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:40:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:58,268 INFO L85 PathProgramCache]: Analyzing trace with hash 298122606, now seen corresponding path program 1 times [2022-11-02 20:40:58,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:58,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550670492] [2022-11-02 20:40:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:40:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:40:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:40:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:40:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:40:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:40:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:40:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:40:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:40:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:40:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:40:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:40:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:40:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:40:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:40:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:40:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:40:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:40:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:40:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:40:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:40:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:40:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:40:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:40:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:40:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:40:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:40:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:40:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:40:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:40:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:40:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:40:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-02 20:40:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:40:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-02 20:40:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-02 20:40:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-11-02 20:40:59,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:59,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550670492] [2022-11-02 20:40:59,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550670492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:59,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:59,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:40:59,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836574000] [2022-11-02 20:40:59,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:59,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:40:59,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:59,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:40:59,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:40:59,545 INFO L87 Difference]: Start difference. First operand 4078 states and 5716 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-02 20:41:15,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:15,357 INFO L93 Difference]: Finished difference Result 14791 states and 20848 transitions. [2022-11-02 20:41:15,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:41:15,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 409 [2022-11-02 20:41:15,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:15,438 INFO L225 Difference]: With dead ends: 14791 [2022-11-02 20:41:15,438 INFO L226 Difference]: Without dead ends: 10786 [2022-11-02 20:41:15,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:15,462 INFO L413 NwaCegarLoop]: 4801 mSDtfsCounter, 7434 mSDsluCounter, 6763 mSDsCounter, 0 mSdLazyCounter, 7964 mSolverCounterSat, 3592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8199 SdHoareTripleChecker+Valid, 11564 SdHoareTripleChecker+Invalid, 11556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3592 IncrementalHoareTripleChecker+Valid, 7964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:15,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8199 Valid, 11564 Invalid, 11556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3592 Valid, 7964 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-11-02 20:41:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10786 states. [2022-11-02 20:41:16,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10786 to 9832. [2022-11-02 20:41:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9832 states, 6567 states have (on average 1.2852139485305314) internal successors, (8440), 6825 states have internal predecessors, (8440), 2612 states have call successors, (2612), 652 states have call predecessors, (2612), 652 states have return successors, (2612), 2466 states have call predecessors, (2612), 2612 states have call successors, (2612) [2022-11-02 20:41:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 13664 transitions. [2022-11-02 20:41:16,247 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 13664 transitions. Word has length 409 [2022-11-02 20:41:16,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:16,250 INFO L495 AbstractCegarLoop]: Abstraction has 9832 states and 13664 transitions. [2022-11-02 20:41:16,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-02 20:41:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 13664 transitions. [2022-11-02 20:41:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-11-02 20:41:16,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:16,265 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 34, 34, 34, 34, 34, 34, 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] [2022-11-02 20:41:16,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:41:16,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:16,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1136405543, now seen corresponding path program 1 times [2022-11-02 20:41:16,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:16,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261647530] [2022-11-02 20:41:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:16,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:41:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:41:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:41:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:41:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:41:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:41:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:41:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:41:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:41:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:41:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:41:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:41:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:41:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:41:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-02 20:41:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:41:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-02 20:41:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-02 20:41:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-02 20:41:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-02 20:41:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2022-11-02 20:41:17,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:17,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261647530] [2022-11-02 20:41:17,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261647530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:17,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:17,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:17,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356091239] [2022-11-02 20:41:17,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:17,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:17,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:17,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:17,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:17,483 INFO L87 Difference]: Start difference. First operand 9832 states and 13664 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-02 20:41:22,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:22,829 INFO L93 Difference]: Finished difference Result 21521 states and 30090 transitions. [2022-11-02 20:41:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:22,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 431 [2022-11-02 20:41:22,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:22,984 INFO L225 Difference]: With dead ends: 21521 [2022-11-02 20:41:22,985 INFO L226 Difference]: Without dead ends: 11762 [2022-11-02 20:41:23,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:23,026 INFO L413 NwaCegarLoop]: 2972 mSDtfsCounter, 2223 mSDsluCounter, 3068 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 6040 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:23,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 6040 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-02 20:41:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2022-11-02 20:41:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 10749. [2022-11-02 20:41:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10749 states, 7164 states have (on average 1.281965382467895) internal successors, (9184), 7452 states have internal predecessors, (9184), 2842 states have call successors, (2842), 742 states have call predecessors, (2842), 742 states have return successors, (2842), 2674 states have call predecessors, (2842), 2842 states have call successors, (2842) [2022-11-02 20:41:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 14868 transitions. [2022-11-02 20:41:23,665 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 14868 transitions. Word has length 431 [2022-11-02 20:41:23,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:23,666 INFO L495 AbstractCegarLoop]: Abstraction has 10749 states and 14868 transitions. [2022-11-02 20:41:23,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-02 20:41:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 14868 transitions. [2022-11-02 20:41:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-11-02 20:41:23,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:23,683 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 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] [2022-11-02 20:41:23,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:41:23,685 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:23,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:23,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1504146588, now seen corresponding path program 1 times [2022-11-02 20:41:23,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:23,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876872395] [2022-11-02 20:41:23,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:23,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:41:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:41:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:41:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:41:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:41:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:41:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:41:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:41:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:41:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:41:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:41:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:41:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:41:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:41:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-02 20:41:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:41:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-02 20:41:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-02 20:41:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-02 20:41:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-02 20:41:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-02 20:41:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-11-02 20:41:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2022-11-02 20:41:25,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:25,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876872395] [2022-11-02 20:41:25,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876872395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:25,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:25,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:41:25,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835274561] [2022-11-02 20:41:25,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:25,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:41:25,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:25,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:41:25,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:41:25,549 INFO L87 Difference]: Start difference. First operand 10749 states and 14868 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-02 20:41:40,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:40,858 INFO L93 Difference]: Finished difference Result 43362 states and 60630 transitions. [2022-11-02 20:41:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:41:40,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2022-11-02 20:41:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:41,049 INFO L225 Difference]: With dead ends: 43362 [2022-11-02 20:41:41,049 INFO L226 Difference]: Without dead ends: 32686 [2022-11-02 20:41:41,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:41:41,109 INFO L413 NwaCegarLoop]: 3564 mSDtfsCounter, 17038 mSDsluCounter, 5397 mSDsCounter, 0 mSdLazyCounter, 6194 mSolverCounterSat, 9238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17871 SdHoareTripleChecker+Valid, 8961 SdHoareTripleChecker+Invalid, 15432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9238 IncrementalHoareTripleChecker+Valid, 6194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:41,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17871 Valid, 8961 Invalid, 15432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9238 Valid, 6194 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2022-11-02 20:41:41,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32686 states. [2022-11-02 20:41:42,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32686 to 29721. [2022-11-02 20:41:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29721 states, 19860 states have (on average 1.2837361530715006) internal successors, (25495), 20688 states have internal predecessors, (25495), 7790 states have call successors, (7790), 2070 states have call predecessors, (7790), 2070 states have return successors, (7790), 7306 states have call predecessors, (7790), 7790 states have call successors, (7790) [2022-11-02 20:41:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29721 states to 29721 states and 41075 transitions. [2022-11-02 20:41:43,358 INFO L78 Accepts]: Start accepts. Automaton has 29721 states and 41075 transitions. Word has length 453 [2022-11-02 20:41:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:43,360 INFO L495 AbstractCegarLoop]: Abstraction has 29721 states and 41075 transitions. [2022-11-02 20:41:43,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-02 20:41:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 29721 states and 41075 transitions. [2022-11-02 20:41:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-11-02 20:41:43,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:43,375 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 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] [2022-11-02 20:41:43,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:41:43,376 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:43,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:43,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1515774131, now seen corresponding path program 1 times [2022-11-02 20:41:43,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:43,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939470434] [2022-11-02 20:41:43,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:43,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:41:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:41:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:41:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:41:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:41:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:41:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:41:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:41:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:41:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:41:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:41:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:41:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:41:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:41:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-02 20:41:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:41:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-02 20:41:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-02 20:41:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-02 20:41:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-02 20:41:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-11-02 20:41:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-11-02 20:41:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-11-02 20:41:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2022-11-02 20:41:44,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:44,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939470434] [2022-11-02 20:41:44,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939470434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:44,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:44,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:44,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579184831] [2022-11-02 20:41:44,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:44,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:44,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:44,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:44,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:44,600 INFO L87 Difference]: Start difference. First operand 29721 states and 41075 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-02 20:41:52,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:52,224 INFO L93 Difference]: Finished difference Result 93098 states and 129880 transitions. [2022-11-02 20:41:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:52,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 459 [2022-11-02 20:41:52,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:52,534 INFO L225 Difference]: With dead ends: 93098 [2022-11-02 20:41:52,534 INFO L226 Difference]: Without dead ends: 63450 [2022-11-02 20:41:52,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:52,648 INFO L413 NwaCegarLoop]: 3282 mSDtfsCounter, 3954 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 2457 mSolverCounterSat, 1775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4392 SdHoareTripleChecker+Valid, 6421 SdHoareTripleChecker+Invalid, 4232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1775 IncrementalHoareTripleChecker+Valid, 2457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:52,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4392 Valid, 6421 Invalid, 4232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1775 Valid, 2457 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-02 20:41:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63450 states. [2022-11-02 20:41:56,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63450 to 57748. [2022-11-02 20:41:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57748 states, 38657 states have (on average 1.2826137568874978) internal successors, (49582), 40295 states have internal predecessors, (49582), 15028 states have call successors, (15028), 4062 states have call predecessors, (15028), 4062 states have return successors, (15028), 14070 states have call predecessors, (15028), 15028 states have call successors, (15028) [2022-11-02 20:41:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57748 states to 57748 states and 79638 transitions. [2022-11-02 20:41:56,595 INFO L78 Accepts]: Start accepts. Automaton has 57748 states and 79638 transitions. Word has length 459 [2022-11-02 20:41:56,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:56,596 INFO L495 AbstractCegarLoop]: Abstraction has 57748 states and 79638 transitions. [2022-11-02 20:41:56,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-02 20:41:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 57748 states and 79638 transitions. [2022-11-02 20:41:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-02 20:41:56,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:56,610 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 35, 35, 35, 35, 35, 35, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:41:56,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:41:56,611 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:56,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:56,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1560998385, now seen corresponding path program 1 times [2022-11-02 20:41:56,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:56,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773681788] [2022-11-02 20:41:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:56,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:41:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:41:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:41:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:41:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:41:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:41:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:41:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:41:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:41:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:41:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:41:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:41:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:41:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:41:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:41:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:41:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:41:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:41:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:41:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:41:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:41:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:41:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:41:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:41:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:41:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:41:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:41:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:41:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:41:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:41:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:41:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-02 20:41:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:41:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-02 20:41:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-11-02 20:41:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-11-02 20:41:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-02 20:41:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-11-02 20:41:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-02 20:41:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:41:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-02 20:41:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-11-02 20:41:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:58,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2022-11-02 20:41:58,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:58,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773681788] [2022-11-02 20:41:58,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773681788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:58,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:58,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:58,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369950410] [2022-11-02 20:41:58,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:58,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:58,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:58,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:58,153 INFO L87 Difference]: Start difference. First operand 57748 states and 79638 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-02 20:42:08,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:08,348 INFO L93 Difference]: Finished difference Result 176556 states and 245986 transitions. [2022-11-02 20:42:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:42:08,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 465 [2022-11-02 20:42:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:08,981 INFO L225 Difference]: With dead ends: 176556 [2022-11-02 20:42:08,981 INFO L226 Difference]: Without dead ends: 118881 [2022-11-02 20:42:09,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:42:09,399 INFO L413 NwaCegarLoop]: 3628 mSDtfsCounter, 3738 mSDsluCounter, 3162 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 1685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4175 SdHoareTripleChecker+Valid, 6790 SdHoareTripleChecker+Invalid, 4158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1685 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:09,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4175 Valid, 6790 Invalid, 4158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1685 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-02 20:42:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118881 states. [2022-11-02 20:42:14,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118881 to 108077. [2022-11-02 20:42:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108077 states, 72706 states have (on average 1.2817236541688444) internal successors, (93189), 75656 states have internal predecessors, (93189), 27821 states have call successors, (27821), 7549 states have call predecessors, (27821), 7549 states have return successors, (27821), 26155 states have call predecessors, (27821), 27821 states have call successors, (27821) [2022-11-02 20:42:15,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108077 states to 108077 states and 148831 transitions. [2022-11-02 20:42:15,353 INFO L78 Accepts]: Start accepts. Automaton has 108077 states and 148831 transitions. Word has length 465 [2022-11-02 20:42:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:15,355 INFO L495 AbstractCegarLoop]: Abstraction has 108077 states and 148831 transitions. [2022-11-02 20:42:15,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-02 20:42:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 108077 states and 148831 transitions. [2022-11-02 20:42:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-11-02 20:42:15,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:15,363 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:42:15,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:42:15,364 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:42:15,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1341911488, now seen corresponding path program 1 times [2022-11-02 20:42:15,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:15,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60762524] [2022-11-02 20:42:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:15,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:42:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:42:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:42:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:42:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:42:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:42:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:42:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:42:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:42:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:42:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:42:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:42:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:42:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:42:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:42:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:42:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:42:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:42:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:42:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:42:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:42:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-02 20:42:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:42:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:42:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-02 20:42:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:42:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:42:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:42:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:42:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-02 20:42:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:42:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-02 20:42:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-02 20:42:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-02 20:42:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-02 20:42:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-02 20:42:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:42:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-02 20:42:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-02 20:42:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-11-02 20:42:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-02 20:42:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-11-02 20:42:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2022-11-02 20:42:16,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:16,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60762524] [2022-11-02 20:42:16,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60762524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:16,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:16,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:42:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683906755] [2022-11-02 20:42:16,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:16,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:42:16,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:16,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:42:16,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:42:16,847 INFO L87 Difference]: Start difference. First operand 108077 states and 148831 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43)