./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:53:43,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:53:43,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:53:43,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:53:43,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:53:43,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:53:43,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:53:43,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:53:43,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:53:43,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:53:43,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:53:43,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:53:43,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:53:43,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:53:43,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:53:43,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:53:43,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:53:43,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:53:43,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:53:43,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:53:43,846 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:53:43,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:53:43,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:53:43,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:53:43,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:53:43,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:53:43,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:53:43,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:53:43,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:53:43,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:53:43,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:53:43,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:53:43,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:53:43,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:53:43,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:53:43,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:53:43,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:53:43,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:53:43,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:53:43,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:53:43,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:53:43,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:53:43,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:53:43,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:53:43,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:53:43,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:53:43,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:53:43,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:53:43,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:53:43,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:53:43,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:53:43,887 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:53:43,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:53:43,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:53:43,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:53:43,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:53:43,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:53:43,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:53:43,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:53:43,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:53:43,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:53:43,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:53:43,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:53:43,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:53:43,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:53:43,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:53:43,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:53:43,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:53:43,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:53:43,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:53:43,890 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:53:43,890 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:53:43,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:53:43,891 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2022-07-20 01:53:44,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:53:44,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:53:44,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:53:44,095 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:53:44,095 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:53:44,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-07-20 01:53:44,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a93c75ef/e3332f051b0c46e891063c41c3e50715/FLAG8bc5ae5e6 [2022-07-20 01:53:44,820 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:53:44,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-07-20 01:53:44,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a93c75ef/e3332f051b0c46e891063c41c3e50715/FLAG8bc5ae5e6 [2022-07-20 01:53:45,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a93c75ef/e3332f051b0c46e891063c41c3e50715 [2022-07-20 01:53:45,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:53:45,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:53:45,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:53:45,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:53:45,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:53:45,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:53:45" (1/1) ... [2022-07-20 01:53:45,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db81e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:45, skipping insertion in model container [2022-07-20 01:53:45,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:53:45" (1/1) ... [2022-07-20 01:53:45,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:53:45,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:53:47,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-20 01:53:47,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-20 01:53:47,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:53:47,808 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:53:48,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-20 01:53:48,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-20 01:53:48,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:53:48,273 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:53:48,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48 WrapperNode [2022-07-20 01:53:48,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:53:48,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:53:48,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:53:48,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:53:48,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,530 INFO L137 Inliner]: procedures = 518, calls = 2126, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5323 [2022-07-20 01:53:48,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:53:48,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:53:48,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:53:48,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:53:48,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:53:48,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:53:48,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:53:48,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:53:48,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (1/1) ... [2022-07-20 01:53:48,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:53:48,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:53:48,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:53:48,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:53:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-07-20 01:53:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-07-20 01:53:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 01:53:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-07-20 01:53:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-07-20 01:53:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-07-20 01:53:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-07-20 01:53:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-07-20 01:53:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-07-20 01:53:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:53:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:53:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-20 01:53:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-20 01:53:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:53:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:53:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 01:53:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 01:53:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-07-20 01:53:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-07-20 01:53:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-07-20 01:53:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-07-20 01:53:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:53:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:53:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-07-20 01:53:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-07-20 01:53:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-07-20 01:53:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-07-20 01:53:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-07-20 01:53:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-07-20 01:53:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-20 01:53:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-20 01:53:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-07-20 01:53:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-07-20 01:53:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:53:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 01:53:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-07-20 01:53:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-07-20 01:53:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 01:53:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:53:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:53:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-07-20 01:53:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-07-20 01:53:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:53:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2022-07-20 01:53:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2022-07-20 01:53:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-07-20 01:53:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-07-20 01:53:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2022-07-20 01:53:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2022-07-20 01:53:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:53:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:53:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-07-20 01:53:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-07-20 01:53:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:53:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:53:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 01:53:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-07-20 01:53:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-07-20 01:53:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-07-20 01:53:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-07-20 01:53:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:53:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 01:53:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 01:53:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-07-20 01:53:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-07-20 01:53:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-07-20 01:53:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-07-20 01:53:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-07-20 01:53:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-07-20 01:53:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:53:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-07-20 01:53:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-07-20 01:53:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 01:53:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 01:53:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-07-20 01:53:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-07-20 01:53:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:53:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:53:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-07-20 01:53:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-07-20 01:53:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:53:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:53:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 01:53:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 01:53:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-20 01:53:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-20 01:53:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-07-20 01:53:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-07-20 01:53:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:53:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 01:53:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 01:53:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 01:53:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 01:53:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-07-20 01:53:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-07-20 01:53:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-20 01:53:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-20 01:53:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-07-20 01:53:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-07-20 01:53:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 01:53:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 01:53:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:53:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-07-20 01:53:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-07-20 01:53:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-07-20 01:53:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-07-20 01:53:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:53:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:53:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:53:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-07-20 01:53:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-07-20 01:53:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-07-20 01:53:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-07-20 01:53:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:53:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:53:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-07-20 01:53:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-07-20 01:53:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:53:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:53:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 01:53:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 01:53:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 01:53:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 01:53:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:53:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:53:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-07-20 01:53:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-07-20 01:53:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-07-20 01:53:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-07-20 01:53:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:53:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:53:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-07-20 01:53:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-07-20 01:53:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:53:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:53:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:53:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:53:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:53:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:53:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:53:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:53:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-07-20 01:53:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-07-20 01:53:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-07-20 01:53:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-07-20 01:53:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-07-20 01:53:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-07-20 01:53:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-07-20 01:53:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-07-20 01:53:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-07-20 01:53:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-07-20 01:53:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-07-20 01:53:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-07-20 01:53:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-07-20 01:53:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-07-20 01:53:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-07-20 01:53:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-07-20 01:53:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-07-20 01:53:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-07-20 01:53:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-07-20 01:53:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-07-20 01:53:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-20 01:53:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-20 01:53:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-20 01:53:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-20 01:53:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-07-20 01:53:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-07-20 01:53:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-07-20 01:53:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-07-20 01:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-07-20 01:53:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-07-20 01:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:53:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-20 01:53:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-20 01:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-07-20 01:53:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-07-20 01:53:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-07-20 01:53:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-07-20 01:53:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:53:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:53:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:53:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-07-20 01:53:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-07-20 01:53:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-07-20 01:53:48,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-07-20 01:53:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-07-20 01:53:48,907 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-07-20 01:53:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:53:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-07-20 01:53:48,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-07-20 01:53:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-20 01:53:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-20 01:53:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:53:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-07-20 01:53:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-07-20 01:53:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-07-20 01:53:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-07-20 01:53:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 01:53:48,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 01:53:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 01:53:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 01:53:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-07-20 01:53:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-07-20 01:53:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 01:53:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 01:53:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-07-20 01:53:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-07-20 01:53:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 01:53:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 01:53:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-07-20 01:53:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-07-20 01:53:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-07-20 01:53:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-07-20 01:53:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 01:53:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 01:53:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-07-20 01:53:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-07-20 01:53:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-07-20 01:53:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-07-20 01:53:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-07-20 01:53:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-07-20 01:53:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:53:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:53:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:53:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:53:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-07-20 01:53:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-07-20 01:53:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:53:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-07-20 01:53:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-07-20 01:53:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-07-20 01:53:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-07-20 01:53:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:53:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:53:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-07-20 01:53:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-07-20 01:53:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-07-20 01:53:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:53:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:53:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2022-07-20 01:53:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2022-07-20 01:53:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 01:53:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 01:53:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-07-20 01:53:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-07-20 01:53:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 01:53:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 01:53:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-07-20 01:53:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-07-20 01:53:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:53:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:53:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-07-20 01:53:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-07-20 01:53:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-07-20 01:53:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-07-20 01:53:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-07-20 01:53:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-07-20 01:53:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-07-20 01:53:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-07-20 01:53:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:53:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 01:53:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 01:53:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-07-20 01:53:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-07-20 01:53:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 01:53:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 01:53:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-07-20 01:53:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-07-20 01:53:49,581 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:53:49,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:53:49,941 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:53:51,760 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 01:53:51,841 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:53:51,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:53:51,863 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 01:53:51,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:53:51 BoogieIcfgContainer [2022-07-20 01:53:51,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:53:51,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:53:51,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:53:51,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:53:51,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:53:45" (1/3) ... [2022-07-20 01:53:51,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2697c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:53:51, skipping insertion in model container [2022-07-20 01:53:51,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:53:48" (2/3) ... [2022-07-20 01:53:51,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2697c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:53:51, skipping insertion in model container [2022-07-20 01:53:51,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:53:51" (3/3) ... [2022-07-20 01:53:51,874 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-07-20 01:53:51,886 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:53:51,887 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:53:51,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:53:51,968 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@29e48e97, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@229f21c6 [2022-07-20 01:53:51,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:53:51,976 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) [2022-07-20 01:53:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-20 01:53:51,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:53:52,000 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] [2022-07-20 01:53:52,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:53:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:53:52,004 INFO L85 PathProgramCache]: Analyzing trace with hash -284622610, now seen corresponding path program 1 times [2022-07-20 01:53:52,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:53:52,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955812990] [2022-07-20 01:53:52,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:53:52,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:53:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:53:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:53:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:53:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:53:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:53:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:53:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:53:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:53:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:53:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:53:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:53:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:53:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:53:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:53:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:53:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:53:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:53:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:53:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:53:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:53:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:53:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:53:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:53:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:53:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:52,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:53:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:53:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:53:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:53:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:53:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:53:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:53:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:53:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:53:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:53:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:53:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-20 01:53:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-20 01:53:53,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:53:53,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955812990] [2022-07-20 01:53:53,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955812990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:53:53,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:53:53,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:53:53,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560480391] [2022-07-20 01:53:53,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:53:53,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:53:53,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:53:53,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:53:53,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:53:53,213 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) [2022-07-20 01:53:57,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:53:57,306 INFO L93 Difference]: Finished difference Result 6634 states and 9581 transitions. [2022-07-20 01:53:57,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:53:57,308 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 [2022-07-20 01:53:57,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:53:57,353 INFO L225 Difference]: With dead ends: 6634 [2022-07-20 01:53:57,353 INFO L226 Difference]: Without dead ends: 4466 [2022-07-20 01:53:57,371 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 [2022-07-20 01:53:57,374 INFO L413 NwaCegarLoop]: 3274 mSDtfsCounter, 3946 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 2584 mSolverCounterSat, 1904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4403 SdHoareTripleChecker+Valid, 6356 SdHoareTripleChecker+Invalid, 4488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1904 IncrementalHoareTripleChecker+Valid, 2584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:53:57,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4403 Valid, 6356 Invalid, 4488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1904 Valid, 2584 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-20 01:53:57,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2022-07-20 01:53:57,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4078. [2022-07-20 01:53:57,624 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) [2022-07-20 01:53:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5716 transitions. [2022-07-20 01:53:57,648 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5716 transitions. Word has length 408 [2022-07-20 01:53:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:53:57,650 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 5716 transitions. [2022-07-20 01:53:57,651 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) [2022-07-20 01:53:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5716 transitions. [2022-07-20 01:53:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-07-20 01:53:57,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:53:57,659 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] [2022-07-20 01:53:57,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:53:57,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:53:57,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:53:57,660 INFO L85 PathProgramCache]: Analyzing trace with hash 298122606, now seen corresponding path program 1 times [2022-07-20 01:53:57,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:53:57,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783957140] [2022-07-20 01:53:57,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:53:57,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:53:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:53:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:53:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:53:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:53:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:53:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:53:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:53:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:53:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:53:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:53:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:53:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:53:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:53:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:53:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:53:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:53:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:53:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:53:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:53:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:53:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:53:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:53:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:53:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:53:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:53:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:53:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:53:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:53:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:53:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:53:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:53:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:53:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:53:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:53:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:53:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:53:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 01:53:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:53:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-20 01:53:58,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:53:58,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783957140] [2022-07-20 01:53:58,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783957140] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:53:58,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:53:58,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:53:58,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246724171] [2022-07-20 01:53:58,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:53:58,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:53:58,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:53:58,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:53:58,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:53:58,382 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) [2022-07-20 01:54:07,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:54:07,341 INFO L93 Difference]: Finished difference Result 14791 states and 20848 transitions. [2022-07-20 01:54:07,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 01:54:07,341 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 [2022-07-20 01:54:07,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:54:07,413 INFO L225 Difference]: With dead ends: 14791 [2022-07-20 01:54:07,414 INFO L226 Difference]: Without dead ends: 10786 [2022-07-20 01:54:07,433 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 [2022-07-20 01:54:07,434 INFO L413 NwaCegarLoop]: 4791 mSDtfsCounter, 7442 mSDsluCounter, 6756 mSDsCounter, 0 mSdLazyCounter, 7964 mSolverCounterSat, 3594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8208 SdHoareTripleChecker+Valid, 11547 SdHoareTripleChecker+Invalid, 11558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3594 IncrementalHoareTripleChecker+Valid, 7964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:54:07,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8208 Valid, 11547 Invalid, 11558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3594 Valid, 7964 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-07-20 01:54:07,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10786 states. [2022-07-20 01:54:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10786 to 9832. [2022-07-20 01:54:07,766 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) [2022-07-20 01:54:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 13664 transitions. [2022-07-20 01:54:07,804 INFO L78 Accepts]: Start accepts. Automaton has 9832 states and 13664 transitions. Word has length 409 [2022-07-20 01:54:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:54:07,806 INFO L495 AbstractCegarLoop]: Abstraction has 9832 states and 13664 transitions. [2022-07-20 01:54:07,806 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) [2022-07-20 01:54:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 9832 states and 13664 transitions. [2022-07-20 01:54:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-07-20 01:54:07,830 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:54:07,831 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] [2022-07-20 01:54:07,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:54:07,831 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:54:07,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:54:07,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1136405543, now seen corresponding path program 1 times [2022-07-20 01:54:07,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:54:07,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36498437] [2022-07-20 01:54:07,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:54:07,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:54:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:54:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:54:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:54:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:54:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:54:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:54:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:54:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:54:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:54:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:54:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:54:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:54:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:54:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:54:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:54:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:54:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:54:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:54:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:54:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:54:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:54:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:54:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:54:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:54:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:54:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:54:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:54:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:54:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:54:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:54:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:54:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:54:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:54:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:54:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:54:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 01:54:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 01:54:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-20 01:54:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2022-07-20 01:54:08,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:54:08,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36498437] [2022-07-20 01:54:08,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36498437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:54:08,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:54:08,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:54:08,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685622538] [2022-07-20 01:54:08,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:54:08,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:54:08,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:54:08,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:54:08,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:54:08,443 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) [2022-07-20 01:54:11,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:54:11,522 INFO L93 Difference]: Finished difference Result 21521 states and 30090 transitions. [2022-07-20 01:54:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:54:11,523 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 [2022-07-20 01:54:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:54:11,593 INFO L225 Difference]: With dead ends: 21521 [2022-07-20 01:54:11,593 INFO L226 Difference]: Without dead ends: 11762 [2022-07-20 01:54:11,630 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 [2022-07-20 01:54:11,631 INFO L413 NwaCegarLoop]: 2973 mSDtfsCounter, 2223 mSDsluCounter, 3071 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 6044 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:54:11,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 6044 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-20 01:54:11,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2022-07-20 01:54:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 10749. [2022-07-20 01:54:12,041 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) [2022-07-20 01:54:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10749 states to 10749 states and 14868 transitions. [2022-07-20 01:54:12,076 INFO L78 Accepts]: Start accepts. Automaton has 10749 states and 14868 transitions. Word has length 431 [2022-07-20 01:54:12,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:54:12,077 INFO L495 AbstractCegarLoop]: Abstraction has 10749 states and 14868 transitions. [2022-07-20 01:54:12,077 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) [2022-07-20 01:54:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 10749 states and 14868 transitions. [2022-07-20 01:54:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-20 01:54:12,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:54:12,085 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] [2022-07-20 01:54:12,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:54:12,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:54:12,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:54:12,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1504146588, now seen corresponding path program 1 times [2022-07-20 01:54:12,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:54:12,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764790789] [2022-07-20 01:54:12,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:54:12,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:54:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:54:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:54:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:54:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:54:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:54:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:54:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:54:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:54:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:54:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:54:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:54:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:54:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:54:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:54:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:54:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:54:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:54:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:54:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:54:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:54:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:54:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:54:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:54:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:54:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:54:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:54:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:54:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:54:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:54:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:54:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:54:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:54:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:54:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:54:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:54:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-20 01:54:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 01:54:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-20 01:54:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 01:54:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-20 01:54:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2022-07-20 01:54:12,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:54:12,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764790789] [2022-07-20 01:54:12,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764790789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:54:12,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:54:12,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:54:12,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525285707] [2022-07-20 01:54:12,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:54:12,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:54:12,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:54:12,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:54:12,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:54:12,793 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) [2022-07-20 01:54:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:54:22,029 INFO L93 Difference]: Finished difference Result 43362 states and 60630 transitions. [2022-07-20 01:54:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 01:54:22,030 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 [2022-07-20 01:54:22,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:54:22,170 INFO L225 Difference]: With dead ends: 43362 [2022-07-20 01:54:22,171 INFO L226 Difference]: Without dead ends: 32686 [2022-07-20 01:54:22,211 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 [2022-07-20 01:54:22,212 INFO L413 NwaCegarLoop]: 3582 mSDtfsCounter, 17017 mSDsluCounter, 5443 mSDsCounter, 0 mSdLazyCounter, 6204 mSolverCounterSat, 9187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17837 SdHoareTripleChecker+Valid, 9025 SdHoareTripleChecker+Invalid, 15391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9187 IncrementalHoareTripleChecker+Valid, 6204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:54:22,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17837 Valid, 9025 Invalid, 15391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9187 Valid, 6204 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-07-20 01:54:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32686 states. [2022-07-20 01:54:23,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32686 to 29721. [2022-07-20 01:54:23,097 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) [2022-07-20 01:54:23,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29721 states to 29721 states and 41075 transitions. [2022-07-20 01:54:23,198 INFO L78 Accepts]: Start accepts. Automaton has 29721 states and 41075 transitions. Word has length 453 [2022-07-20 01:54:23,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:54:23,199 INFO L495 AbstractCegarLoop]: Abstraction has 29721 states and 41075 transitions. [2022-07-20 01:54:23,200 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) [2022-07-20 01:54:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 29721 states and 41075 transitions. [2022-07-20 01:54:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-20 01:54:23,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:54:23,207 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] [2022-07-20 01:54:23,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:54:23,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:54:23,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:54:23,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1515774131, now seen corresponding path program 1 times [2022-07-20 01:54:23,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:54:23,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272445146] [2022-07-20 01:54:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:54:23,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:54:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:54:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:54:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:54:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:54:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:54:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:54:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:54:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:54:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:54:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:54:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:54:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:54:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:54:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:54:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:54:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:54:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:54:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:54:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:54:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:54:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:54:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:54:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:54:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:54:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:54:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:54:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:54:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:54:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:54:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:54:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:54:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:54:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:54:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:54:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:54:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-20 01:54:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 01:54:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-20 01:54:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 01:54:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-20 01:54:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-20 01:54:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2022-07-20 01:54:23,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:54:23,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272445146] [2022-07-20 01:54:23,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272445146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:54:23,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:54:23,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:54:23,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104322696] [2022-07-20 01:54:23,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:54:23,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:54:23,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:54:23,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:54:23,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:54:23,680 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) [2022-07-20 01:54:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:54:28,849 INFO L93 Difference]: Finished difference Result 93098 states and 129880 transitions. [2022-07-20 01:54:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:54:28,849 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 [2022-07-20 01:54:28,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:54:29,322 INFO L225 Difference]: With dead ends: 93098 [2022-07-20 01:54:29,322 INFO L226 Difference]: Without dead ends: 63450 [2022-07-20 01:54:29,422 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 [2022-07-20 01:54:29,423 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 3954 mSDsluCounter, 3128 mSDsCounter, 0 mSdLazyCounter, 2457 mSolverCounterSat, 1777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4398 SdHoareTripleChecker+Valid, 6404 SdHoareTripleChecker+Invalid, 4234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 2457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:54:29,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4398 Valid, 6404 Invalid, 4234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1777 Valid, 2457 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 01:54:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63450 states. [2022-07-20 01:54:31,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63450 to 57748. [2022-07-20 01:54:31,429 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) [2022-07-20 01:54:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57748 states to 57748 states and 79638 transitions. [2022-07-20 01:54:31,663 INFO L78 Accepts]: Start accepts. Automaton has 57748 states and 79638 transitions. Word has length 459 [2022-07-20 01:54:31,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:54:31,664 INFO L495 AbstractCegarLoop]: Abstraction has 57748 states and 79638 transitions. [2022-07-20 01:54:31,664 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) [2022-07-20 01:54:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 57748 states and 79638 transitions. [2022-07-20 01:54:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-07-20 01:54:31,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:54:31,672 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] [2022-07-20 01:54:31,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:54:31,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:54:31,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:54:31,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1560998385, now seen corresponding path program 1 times [2022-07-20 01:54:31,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:54:31,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641475342] [2022-07-20 01:54:31,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:54:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:54:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:54:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:54:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:54:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:54:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:54:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:54:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:54:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:54:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:54:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:54:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:54:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:54:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:54:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:54:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:54:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:54:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:54:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:54:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:54:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:54:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:54:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:54:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:54:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:54:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:54:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:54:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:54:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:54:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:54:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:54:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:54:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:54:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:54:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:54:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:54:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 01:54:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-20 01:54:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-20 01:54:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 01:54:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 01:54:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-20 01:54:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 01:54:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2022-07-20 01:54:32,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:54:32,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641475342] [2022-07-20 01:54:32,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641475342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:54:32,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:54:32,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:54:32,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146689658] [2022-07-20 01:54:32,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:54:32,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:54:32,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:54:32,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:54:32,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:54:32,461 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) [2022-07-20 01:54:38,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:54:38,448 INFO L93 Difference]: Finished difference Result 176556 states and 245986 transitions. [2022-07-20 01:54:38,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:54:38,451 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 [2022-07-20 01:54:38,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:54:39,201 INFO L225 Difference]: With dead ends: 176556 [2022-07-20 01:54:39,201 INFO L226 Difference]: Without dead ends: 118881 [2022-07-20 01:54:39,386 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 [2022-07-20 01:54:39,388 INFO L413 NwaCegarLoop]: 3631 mSDtfsCounter, 3738 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 1685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4170 SdHoareTripleChecker+Valid, 6794 SdHoareTripleChecker+Invalid, 4158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1685 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:54:39,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4170 Valid, 6794 Invalid, 4158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1685 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-20 01:54:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118881 states. [2022-07-20 01:54:42,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118881 to 108077. [2022-07-20 01:54:43,165 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) [2022-07-20 01:54:43,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108077 states to 108077 states and 148831 transitions. [2022-07-20 01:54:43,798 INFO L78 Accepts]: Start accepts. Automaton has 108077 states and 148831 transitions. Word has length 465 [2022-07-20 01:54:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:54:43,799 INFO L495 AbstractCegarLoop]: Abstraction has 108077 states and 148831 transitions. [2022-07-20 01:54:43,799 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) [2022-07-20 01:54:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 108077 states and 148831 transitions. [2022-07-20 01:54:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-20 01:54:43,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:54:43,806 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] [2022-07-20 01:54:43,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:54:43,807 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:54:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:54:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1341911488, now seen corresponding path program 1 times [2022-07-20 01:54:43,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:54:43,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127660132] [2022-07-20 01:54:43,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:54:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:54:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:54:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:54:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:54:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:54:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:54:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:54:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:54:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:54:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:54:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:54:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:54:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:54:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:54:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:54:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:54:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:54:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:54:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:54:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:54:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:54:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:54:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:54:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:54:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:54:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:54:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:54:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:54:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:54:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:54:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:54:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:54:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:54:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:54:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:54:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:54:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 01:54:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:54:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 01:54:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-20 01:54:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-20 01:54:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-20 01:54:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-20 01:54:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:54:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2022-07-20 01:54:44,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:54:44,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127660132] [2022-07-20 01:54:44,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127660132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:54:44,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:54:44,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:54:44,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890749304] [2022-07-20 01:54:44,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:54:44,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:54:44,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:54:44,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:54:44,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:54:44,598 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) [2022-07-20 01:54:53,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:54:53,833 INFO L93 Difference]: Finished difference Result 343099 states and 477871 transitions. [2022-07-20 01:54:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:54:53,834 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 470 [2022-07-20 01:54:53,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:54:55,170 INFO L225 Difference]: With dead ends: 343099 [2022-07-20 01:54:55,170 INFO L226 Difference]: Without dead ends: 235148 [2022-07-20 01:54:55,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:54:55,547 INFO L413 NwaCegarLoop]: 5520 mSDtfsCounter, 3192 mSDsluCounter, 4136 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 1235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3630 SdHoareTripleChecker+Valid, 9656 SdHoareTripleChecker+Invalid, 3791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:54:55,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3630 Valid, 9656 Invalid, 3791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1235 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-20 01:54:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235148 states. [2022-07-20 01:55:02,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235148 to 213566. [2022-07-20 01:55:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213566 states, 143724 states have (on average 1.2809899529654059) internal successors, (184109), 149372 states have internal predecessors, (184109), 54959 states have call successors, (54959), 14882 states have call predecessors, (54959), 14882 states have return successors, (54959), 51879 states have call predecessors, (54959), 54959 states have call successors, (54959) [2022-07-20 01:55:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213566 states to 213566 states and 294027 transitions. [2022-07-20 01:55:04,463 INFO L78 Accepts]: Start accepts. Automaton has 213566 states and 294027 transitions. Word has length 470 [2022-07-20 01:55:04,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:55:04,464 INFO L495 AbstractCegarLoop]: Abstraction has 213566 states and 294027 transitions. [2022-07-20 01:55:04,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-20 01:55:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 213566 states and 294027 transitions. [2022-07-20 01:55:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-20 01:55:04,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:55:04,469 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] [2022-07-20 01:55:04,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:55:04,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:55:04,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:55:04,470 INFO L85 PathProgramCache]: Analyzing trace with hash -465892482, now seen corresponding path program 1 times [2022-07-20 01:55:04,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:55:04,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167386292] [2022-07-20 01:55:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:55:04,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:55:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 01:55:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:55:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:55:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:55:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:55:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 01:55:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 01:55:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 01:55:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 01:55:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:55:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 01:55:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:55:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:55:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 01:55:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:55:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 01:55:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:55:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:55:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 01:55:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:55:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:55:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 01:55:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 01:55:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:55:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 01:55:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 01:55:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:55:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 01:55:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:55:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 01:55:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 01:55:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 01:55:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 01:55:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 01:55:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 01:55:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 01:55:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:55:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 01:55:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-20 01:55:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-20 01:55:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-20 01:55:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-20 01:55:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:55:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5479 trivial. 0 not checked. [2022-07-20 01:55:05,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:55:05,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167386292] [2022-07-20 01:55:05,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167386292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:55:05,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:55:05,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 01:55:05,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021216631] [2022-07-20 01:55:05,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:55:05,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 01:55:05,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:55:05,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 01:55:05,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 01:55:05,337 INFO L87 Difference]: Start difference. First operand 213566 states and 294027 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)