./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.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 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:54:18,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:54:18,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:54:18,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:54:18,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:54:18,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:54:18,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:54:18,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:54:18,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:54:18,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:54:18,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:54:18,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:54:18,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:54:18,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:54:18,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:54:18,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:54:18,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:54:18,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:54:18,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:54:18,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:54:18,866 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:54:18,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:54:18,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:54:18,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:54:18,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:54:18,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:54:18,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:54:18,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:54:18,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:54:18,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:54:18,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:54:18,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:54:18,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:54:18,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:54:18,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:54:18,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:54:18,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:54:18,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:54:18,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:54:18,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:54:18,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:54:18,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:54:18,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:54:18,919 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:54:18,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:54:18,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:54:18,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:54:18,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:54:18,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:54:18,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:54:18,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:54:18,922 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:54:18,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:54:18,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:54:18,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:54:18,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:54:18,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:54:18,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:54:18,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:54:18,924 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:54:18,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:54:18,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:54:18,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:54:18,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:54:18,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:54:18,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:54:18,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:54:18,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:54:18,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:54:18,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:54:18,926 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:54:18,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:54:18,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:54:18,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 [2022-07-14 00:54:19,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:54:19,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:54:19,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:54:19,175 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:54:19,176 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:54:19,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-14 00:54:19,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931f27b41/eedebaf563dd4d9b9002d0164a99f35e/FLAG41064deb5 [2022-07-14 00:54:19,959 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:54:19,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-14 00:54:20,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931f27b41/eedebaf563dd4d9b9002d0164a99f35e/FLAG41064deb5 [2022-07-14 00:54:20,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/931f27b41/eedebaf563dd4d9b9002d0164a99f35e [2022-07-14 00:54:20,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:54:20,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:54:20,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:54:20,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:54:20,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:54:20,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:54:20" (1/1) ... [2022-07-14 00:54:20,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9b9c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:20, skipping insertion in model container [2022-07-14 00:54:20,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:54:20" (1/1) ... [2022-07-14 00:54:20,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:54:20,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:54:23,243 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2022-07-14 00:54:23,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:54:23,346 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:54:23,743 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2022-07-14 00:54:23,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:54:23,947 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:54:23,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23 WrapperNode [2022-07-14 00:54:23,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:54:23,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:54:23,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:54:23,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:54:23,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,338 INFO L137 Inliner]: procedures = 595, calls = 3937, calls flagged for inlining = 264, calls inlined = 257, statements flattened = 9795 [2022-07-14 00:54:24,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:54:24,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:54:24,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:54:24,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:54:24,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:54:24,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:54:24,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:54:24,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:54:24,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (1/1) ... [2022-07-14 00:54:24,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:54:24,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:54:24,736 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) [2022-07-14 00:54:24,835 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 [2022-07-14 00:54:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-14 00:54:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-14 00:54:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-14 00:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-14 00:54:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 00:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 00:54:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-14 00:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-14 00:54:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-14 00:54:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-14 00:54:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-14 00:54:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-14 00:54:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-14 00:54:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-14 00:54:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-14 00:54:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-14 00:54:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-14 00:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-14 00:54:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-14 00:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-14 00:54:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-14 00:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:54:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:54:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-14 00:54:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-14 00:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-14 00:54:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-14 00:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-14 00:54:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-14 00:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-14 00:54:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-14 00:54:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-14 00:54:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-14 00:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-14 00:54:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-14 00:54:24,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:54:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-14 00:54:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-14 00:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-14 00:54:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-14 00:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-14 00:54:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-14 00:54:24,859 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-14 00:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-14 00:54:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-14 00:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-14 00:54:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-14 00:54:24,860 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-14 00:54:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-14 00:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-14 00:54:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-14 00:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-14 00:54:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-14 00:54:24,861 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-14 00:54:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-14 00:54:24,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-14 00:54:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-14 00:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-14 00:54:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-14 00:54:24,863 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-14 00:54:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-14 00:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 00:54:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 00:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-14 00:54:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-14 00:54:24,864 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-14 00:54:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-14 00:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-14 00:54:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-14 00:54:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-14 00:54:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-14 00:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-14 00:54:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-14 00:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-14 00:54:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-14 00:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:54:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:54:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-14 00:54:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-14 00:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-14 00:54:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-14 00:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-14 00:54:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-14 00:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-14 00:54:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-14 00:54:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-14 00:54:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-14 00:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-14 00:54:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-14 00:54:24,868 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 00:54:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-14 00:54:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-14 00:54:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-14 00:54:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-14 00:54:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 00:54:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 00:54:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:54:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:54:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-14 00:54:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-14 00:54:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:54:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-14 00:54:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-14 00:54:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-14 00:54:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-14 00:54:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:54:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:54:24,872 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-14 00:54:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-14 00:54:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-14 00:54:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-14 00:54:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 00:54:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 00:54:24,873 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-14 00:54:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-14 00:54:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:54:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-14 00:54:24,875 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-14 00:54:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-14 00:54:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-14 00:54:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:54:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:54:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-14 00:54:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-14 00:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-14 00:54:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-14 00:54:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-14 00:54:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-14 00:54:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-14 00:54:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-14 00:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-14 00:54:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-14 00:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-14 00:54:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-14 00:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-14 00:54:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-14 00:54:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-14 00:54:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-14 00:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:54:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-14 00:54:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-14 00:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-14 00:54:24,885 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-14 00:54:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-14 00:54:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-14 00:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-14 00:54:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-14 00:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-14 00:54:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-14 00:54:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-14 00:54:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-14 00:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 00:54:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 00:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-14 00:54:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-14 00:54:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-14 00:54:24,887 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-14 00:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2022-07-14 00:54:24,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2022-07-14 00:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 00:54:24,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 00:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-14 00:54:24,888 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-14 00:54:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-14 00:54:24,888 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-14 00:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-14 00:54:24,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-14 00:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-14 00:54:24,889 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-14 00:54:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-14 00:54:24,889 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-14 00:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 00:54:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 00:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-14 00:54:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-14 00:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-14 00:54:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-14 00:54:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-14 00:54:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-14 00:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:54:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 00:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-14 00:54:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-14 00:54:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-14 00:54:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-14 00:54:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-14 00:54:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-14 00:54:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-14 00:54:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-14 00:54:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-14 00:54:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-14 00:54:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-14 00:54:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-14 00:54:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-14 00:54:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-14 00:54:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-14 00:54:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-14 00:54:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 00:54:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 00:54:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-14 00:54:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-14 00:54:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-14 00:54:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-14 00:54:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 00:54:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 00:54:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-14 00:54:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-14 00:54:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-14 00:54:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-14 00:54:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-14 00:54:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-14 00:54:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-14 00:54:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-14 00:54:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-14 00:54:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-14 00:54:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-14 00:54:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-14 00:54:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-14 00:54:24,896 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-14 00:54:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 00:54:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 00:54:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 00:54:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 00:54:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-14 00:54:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-14 00:54:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-14 00:54:24,897 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-14 00:54:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-14 00:54:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-14 00:54:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-14 00:54:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-14 00:54:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 00:54:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 00:54:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-14 00:54:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-14 00:54:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:54:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:54:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-14 00:54:24,899 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-14 00:54:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 00:54:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 00:54:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2022-07-14 00:54:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2022-07-14 00:54:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-14 00:54:24,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-14 00:54:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-14 00:54:24,903 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-14 00:54:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-14 00:54:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-14 00:54:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-14 00:54:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-14 00:54:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-14 00:54:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-14 00:54:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-14 00:54:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-14 00:54:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:54:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:54:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:54:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:54:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-14 00:54:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-14 00:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-14 00:54:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-14 00:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-14 00:54:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-14 00:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-14 00:54:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-14 00:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-14 00:54:24,906 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-14 00:54:24,906 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-14 00:54:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-14 00:54:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-14 00:54:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-14 00:54:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-14 00:54:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-14 00:54:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-14 00:54:24,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-14 00:54:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-14 00:54:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-14 00:54:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-14 00:54:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-14 00:54:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-14 00:54:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-14 00:54:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-14 00:54:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-14 00:54:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:54:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:54:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-14 00:54:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-14 00:54:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:54:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:54:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-14 00:54:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-14 00:54:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-14 00:54:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-14 00:54:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 00:54:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 00:54:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:54:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:54:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-14 00:54:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-14 00:54:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:54:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:54:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-14 00:54:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-14 00:54:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-14 00:54:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-14 00:54:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-14 00:54:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-14 00:54:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-14 00:54:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-14 00:54:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 00:54:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 00:54:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-14 00:54:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-14 00:54:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-14 00:54:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-14 00:54:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-14 00:54:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-14 00:54:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-14 00:54:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-14 00:54:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 00:54:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 00:54:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:54:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 00:54:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 00:54:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-14 00:54:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-14 00:54:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-14 00:54:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-14 00:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-14 00:54:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-14 00:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-14 00:54:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-14 00:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-14 00:54:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-14 00:54:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-14 00:54:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-14 00:54:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-14 00:54:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-14 00:54:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-14 00:54:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-14 00:54:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-14 00:54:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-14 00:54:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-14 00:54:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-14 00:54:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:54:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-14 00:54:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-14 00:54:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-14 00:54:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-14 00:54:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 00:54:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 00:54:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 00:54:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 00:54:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:54:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:54:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-14 00:54:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-14 00:54:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:54:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:54:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 00:54:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 00:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-14 00:54:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-14 00:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-14 00:54:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-14 00:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-14 00:54:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-14 00:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 00:54:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 00:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-14 00:54:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-14 00:54:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-14 00:54:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-14 00:54:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-14 00:54:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-14 00:54:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-14 00:54:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-14 00:54:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-14 00:54:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-14 00:54:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 00:54:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 00:54:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-14 00:54:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-14 00:54:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-14 00:54:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-14 00:54:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-14 00:54:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-14 00:54:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-14 00:54:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-14 00:54:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-14 00:54:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-14 00:54:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-14 00:54:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-14 00:54:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-14 00:54:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-14 00:54:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-14 00:54:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-14 00:54:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-14 00:54:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-14 00:54:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:54:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:54:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-14 00:54:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-14 00:54:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-14 00:54:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:54:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:54:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-14 00:54:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-14 00:54:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:54:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-14 00:54:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-14 00:54:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-14 00:54:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-14 00:54:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:54:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:54:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-14 00:54:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-14 00:54:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 00:54:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 00:54:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-14 00:54:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-14 00:54:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-14 00:54:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-14 00:54:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 00:54:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 00:54:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-14 00:54:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-14 00:54:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-14 00:54:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-14 00:54:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-14 00:54:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-14 00:54:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-14 00:54:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-14 00:54:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-14 00:54:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-14 00:54:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-14 00:54:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-14 00:54:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-14 00:54:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-14 00:54:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-14 00:54:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-14 00:54:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 00:54:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 00:54:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-14 00:54:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-14 00:54:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-14 00:54:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-14 00:54:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 00:54:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 00:54:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-14 00:54:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-14 00:54:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-14 00:54:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-14 00:54:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-14 00:54:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-14 00:54:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-14 00:54:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-14 00:54:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-14 00:54:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-14 00:54:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-14 00:54:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-14 00:54:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-14 00:54:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-14 00:54:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-14 00:54:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-14 00:54:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-14 00:54:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-14 00:54:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-14 00:54:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-14 00:54:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-14 00:54:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-14 00:54:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-14 00:54:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-14 00:54:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-14 00:54:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-14 00:54:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-14 00:54:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:54:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:54:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 00:54:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 00:54:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-14 00:54:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-14 00:54:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-14 00:54:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-14 00:54:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-14 00:54:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-14 00:54:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-14 00:54:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-14 00:54:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:54:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-14 00:54:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-14 00:54:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-14 00:54:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-14 00:54:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-14 00:54:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-14 00:54:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:54:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-14 00:54:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-14 00:54:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-14 00:54:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-14 00:54:26,279 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:54:26,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:54:26,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:54:34,671 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:54:34,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:54:34,692 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:54:34,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:34 BoogieIcfgContainer [2022-07-14 00:54:34,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:54:34,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:54:34,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:54:34,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:54:34,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:54:20" (1/3) ... [2022-07-14 00:54:34,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a294cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:54:34, skipping insertion in model container [2022-07-14 00:54:34,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:54:23" (2/3) ... [2022-07-14 00:54:34,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a294cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:54:34, skipping insertion in model container [2022-07-14 00:54:34,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:34" (3/3) ... [2022-07-14 00:54:34,705 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-14 00:54:34,721 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:54:34,721 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:54:34,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:54:34,851 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@4d798084, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@77bec82e [2022-07-14 00:54:34,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:54:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 3869 states, 2500 states have (on average 1.276) internal successors, (3190), 2583 states have internal predecessors, (3190), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) [2022-07-14 00:54:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 00:54:34,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:34,882 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:54:34,882 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:34,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:34,886 INFO L85 PathProgramCache]: Analyzing trace with hash -711896599, now seen corresponding path program 1 times [2022-07-14 00:54:34,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:54:34,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161328553] [2022-07-14 00:54:34,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:34,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:54:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:54:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:54:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:54:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:54:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:54:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:54:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:54:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:54:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:54:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:54:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:54:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 00:54:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:54:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:54:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 00:54:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:54:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 00:54:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 00:54:35,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:54:35,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161328553] [2022-07-14 00:54:35,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161328553] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:35,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:35,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:54:35,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796764244] [2022-07-14 00:54:35,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:35,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:54:35,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:54:36,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:54:36,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:54:36,024 INFO L87 Difference]: Start difference. First operand has 3869 states, 2500 states have (on average 1.276) internal successors, (3190), 2583 states have internal predecessors, (3190), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 00:54:46,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:54:47,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:54:48,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:48,056 INFO L93 Difference]: Finished difference Result 8424 states and 12313 transitions. [2022-07-14 00:54:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 00:54:48,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-14 00:54:48,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:48,127 INFO L225 Difference]: With dead ends: 8424 [2022-07-14 00:54:48,127 INFO L226 Difference]: Without dead ends: 4539 [2022-07-14 00:54:48,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:54:48,161 INFO L413 NwaCegarLoop]: 4916 mSDtfsCounter, 4347 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 2294 mSolverCounterSat, 5016 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4454 SdHoareTripleChecker+Valid, 7076 SdHoareTripleChecker+Invalid, 7311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5016 IncrementalHoareTripleChecker+Valid, 2294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:54:48,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4454 Valid, 7076 Invalid, 7311 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5016 Valid, 2294 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-07-14 00:54:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2022-07-14 00:54:48,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 3848. [2022-07-14 00:54:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3848 states, 2487 states have (on average 1.2706071572175313) internal successors, (3160), 2562 states have internal predecessors, (3160), 1118 states have call successors, (1118), 243 states have call predecessors, (1118), 242 states have return successors, (1116), 1087 states have call predecessors, (1116), 1116 states have call successors, (1116) [2022-07-14 00:54:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3848 states and 5394 transitions. [2022-07-14 00:54:48,444 INFO L78 Accepts]: Start accepts. Automaton has 3848 states and 5394 transitions. Word has length 253 [2022-07-14 00:54:48,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:48,446 INFO L495 AbstractCegarLoop]: Abstraction has 3848 states and 5394 transitions. [2022-07-14 00:54:48,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 00:54:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 5394 transitions. [2022-07-14 00:54:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 00:54:48,456 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:48,457 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:54:48,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:54:48,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:48,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:48,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1510072297, now seen corresponding path program 1 times [2022-07-14 00:54:48,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:54:48,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112819521] [2022-07-14 00:54:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:48,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:54:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:54:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:54:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:54:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:54:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:54:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:54:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:54:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:54:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:54:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:54:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:54:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:54:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 00:54:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:54:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:54:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 00:54:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:54:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 00:54:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:54:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 00:54:49,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:54:49,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112819521] [2022-07-14 00:54:49,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112819521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:49,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:49,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:54:49,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013890192] [2022-07-14 00:54:49,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:49,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:54:49,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:54:49,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:54:49,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:54:49,259 INFO L87 Difference]: Start difference. First operand 3848 states and 5394 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 00:55:04,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:55:05,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:05,641 INFO L93 Difference]: Finished difference Result 12846 states and 18545 transitions. [2022-07-14 00:55:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:55:05,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-14 00:55:05,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:05,700 INFO L225 Difference]: With dead ends: 12846 [2022-07-14 00:55:05,701 INFO L226 Difference]: Without dead ends: 9031 [2022-07-14 00:55:05,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:55:05,725 INFO L413 NwaCegarLoop]: 6162 mSDtfsCounter, 13201 mSDsluCounter, 6007 mSDsCounter, 0 mSdLazyCounter, 5932 mSolverCounterSat, 10733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13903 SdHoareTripleChecker+Valid, 12169 SdHoareTripleChecker+Invalid, 16665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10733 IncrementalHoareTripleChecker+Valid, 5932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:05,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13903 Valid, 12169 Invalid, 16665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10733 Valid, 5932 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2022-07-14 00:55:05,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9031 states. [2022-07-14 00:55:06,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9031 to 7646. [2022-07-14 00:55:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7646 states, 4945 states have (on average 1.271587462082912) internal successors, (6288), 5094 states have internal predecessors, (6288), 2216 states have call successors, (2216), 485 states have call predecessors, (2216), 484 states have return successors, (2216), 2156 states have call predecessors, (2216), 2214 states have call successors, (2216) [2022-07-14 00:55:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7646 states to 7646 states and 10720 transitions. [2022-07-14 00:55:06,087 INFO L78 Accepts]: Start accepts. Automaton has 7646 states and 10720 transitions. Word has length 253 [2022-07-14 00:55:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:06,089 INFO L495 AbstractCegarLoop]: Abstraction has 7646 states and 10720 transitions. [2022-07-14 00:55:06,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 00:55:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 7646 states and 10720 transitions. [2022-07-14 00:55:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-14 00:55:06,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:06,104 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-14 00:55:06,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:55:06,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:06,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1524897716, now seen corresponding path program 1 times [2022-07-14 00:55:06,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:55:06,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683950417] [2022-07-14 00:55:06,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:06,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:55:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:55:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:55:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:55:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:55:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:55:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:55:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:55:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:55:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:55:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:55:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 00:55:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:55:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:55:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 00:55:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:55:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 00:55:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 00:55:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 00:55:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:55:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:55:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:55:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:55:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:55:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 00:55:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-07-14 00:55:06,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:55:06,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683950417] [2022-07-14 00:55:06,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683950417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:55:06,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:55:06,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:55:06,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916857149] [2022-07-14 00:55:06,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:55:06,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:55:06,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:55:06,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:55:06,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:55:06,872 INFO L87 Difference]: Start difference. First operand 7646 states and 10720 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 00:55:12,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:55:57,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:56:03,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:56:07,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:56:07,896 INFO L93 Difference]: Finished difference Result 26636 states and 38917 transitions. [2022-07-14 00:56:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-14 00:56:07,897 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 335 [2022-07-14 00:56:07,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:56:08,012 INFO L225 Difference]: With dead ends: 26636 [2022-07-14 00:56:08,012 INFO L226 Difference]: Without dead ends: 19029 [2022-07-14 00:56:08,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-07-14 00:56:08,060 INFO L413 NwaCegarLoop]: 5644 mSDtfsCounter, 8120 mSDsluCounter, 12898 mSDsCounter, 0 mSdLazyCounter, 24001 mSolverCounterSat, 6249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9277 SdHoareTripleChecker+Valid, 18542 SdHoareTripleChecker+Invalid, 30250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6249 IncrementalHoareTripleChecker+Valid, 24001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:56:08,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9277 Valid, 18542 Invalid, 30250 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6249 Valid, 24001 Invalid, 0 Unknown, 0 Unchecked, 59.5s Time] [2022-07-14 00:56:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19029 states. [2022-07-14 00:56:08,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19029 to 13093. [2022-07-14 00:56:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13093 states, 8402 states have (on average 1.2594620328493216) internal successors, (10582), 8695 states have internal predecessors, (10582), 3781 states have call successors, (3781), 909 states have call predecessors, (3781), 909 states have return successors, (3783), 3662 states have call predecessors, (3783), 3779 states have call successors, (3783) [2022-07-14 00:56:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 18146 transitions. [2022-07-14 00:56:09,091 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 18146 transitions. Word has length 335 [2022-07-14 00:56:09,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:56:09,092 INFO L495 AbstractCegarLoop]: Abstraction has 13093 states and 18146 transitions. [2022-07-14 00:56:09,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 00:56:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 18146 transitions. [2022-07-14 00:56:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-14 00:56:09,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:56:09,155 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-14 00:56:09,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:56:09,155 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:56:09,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:56:09,156 INFO L85 PathProgramCache]: Analyzing trace with hash 630320828, now seen corresponding path program 1 times [2022-07-14 00:56:09,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:56:09,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890686336] [2022-07-14 00:56:09,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:09,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:56:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:56:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:56:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:56:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:56:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:56:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:56:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:56:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:56:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:56:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:56:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 00:56:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:56:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:56:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 00:56:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:56:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 00:56:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 00:56:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 00:56:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-14 00:56:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 00:56:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-14 00:56:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 00:56:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-14 00:56:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 00:56:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 00:56:09,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:56:09,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890686336] [2022-07-14 00:56:09,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890686336] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:56:09,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897238632] [2022-07-14 00:56:09,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:09,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:09,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:56:09,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 00:56:09,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 00:56:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:11,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 3735 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:56:11,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:56:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 00:56:11,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:56:11,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897238632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:56:11,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:56:11,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-07-14 00:56:11,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227030921] [2022-07-14 00:56:11,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:56:11,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:56:11,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:56:11,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:56:11,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:56:11,273 INFO L87 Difference]: Start difference. First operand 13093 states and 18146 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-14 00:56:11,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:56:11,990 INFO L93 Difference]: Finished difference Result 26259 states and 36712 transitions. [2022-07-14 00:56:11,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:56:11,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2022-07-14 00:56:11,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:56:12,054 INFO L225 Difference]: With dead ends: 26259 [2022-07-14 00:56:12,054 INFO L226 Difference]: Without dead ends: 13205 [2022-07-14 00:56:12,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:56:12,115 INFO L413 NwaCegarLoop]: 5389 mSDtfsCounter, 22 mSDsluCounter, 16136 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 21525 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:56:12,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 21525 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:56:12,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13205 states. [2022-07-14 00:56:12,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13205 to 13205. [2022-07-14 00:56:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13205 states, 8478 states have (on average 1.2576079263977353) internal successors, (10662), 8771 states have internal predecessors, (10662), 3809 states have call successors, (3809), 917 states have call predecessors, (3809), 917 states have return successors, (3811), 3690 states have call predecessors, (3811), 3807 states have call successors, (3811) [2022-07-14 00:56:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13205 states to 13205 states and 18282 transitions. [2022-07-14 00:56:12,970 INFO L78 Accepts]: Start accepts. Automaton has 13205 states and 18282 transitions. Word has length 327 [2022-07-14 00:56:12,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:56:12,971 INFO L495 AbstractCegarLoop]: Abstraction has 13205 states and 18282 transitions. [2022-07-14 00:56:12,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-14 00:56:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 13205 states and 18282 transitions. [2022-07-14 00:56:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-14 00:56:13,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:56:13,092 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-14 00:56:13,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-14 00:56:13,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:13,320 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:56:13,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:56:13,320 INFO L85 PathProgramCache]: Analyzing trace with hash 159305928, now seen corresponding path program 1 times [2022-07-14 00:56:13,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:56:13,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514083331] [2022-07-14 00:56:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:13,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:56:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:56:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:56:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:56:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:56:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:56:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:56:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:56:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:56:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:56:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:56:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 00:56:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:56:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:56:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 00:56:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:56:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 00:56:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-14 00:56:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 00:56:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 00:56:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 00:56:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-14 00:56:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 00:56:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 00:56:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-14 00:56:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-14 00:56:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 00:56:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-14 00:56:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-14 00:56:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 00:56:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-07-14 00:56:14,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:56:14,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514083331] [2022-07-14 00:56:14,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514083331] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 00:56:14,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743390846] [2022-07-14 00:56:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:14,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:14,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:56:14,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 00:56:14,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 00:56:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:15,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 4005 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 00:56:15,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:56:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-07-14 00:56:15,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:56:15,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743390846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:56:15,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 00:56:15,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-07-14 00:56:15,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305191427] [2022-07-14 00:56:15,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:56:15,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:56:15,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:56:15,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:56:15,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:56:15,577 INFO L87 Difference]: Start difference. First operand 13205 states and 18282 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-14 00:56:16,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:56:16,279 INFO L93 Difference]: Finished difference Result 26503 states and 37040 transitions. [2022-07-14 00:56:16,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:56:16,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 360 [2022-07-14 00:56:16,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:56:16,346 INFO L225 Difference]: With dead ends: 26503 [2022-07-14 00:56:16,347 INFO L226 Difference]: Without dead ends: 13337 [2022-07-14 00:56:16,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:56:16,404 INFO L413 NwaCegarLoop]: 5390 mSDtfsCounter, 25 mSDsluCounter, 16142 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21532 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:56:16,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21532 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:56:16,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13337 states. [2022-07-14 00:56:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13337 to 13329. [2022-07-14 00:56:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13329 states, 8562 states have (on average 1.2564821303433777) internal successors, (10758), 8855 states have internal predecessors, (10758), 3841 states have call successors, (3841), 925 states have call predecessors, (3841), 925 states have return successors, (3855), 3722 states have call predecessors, (3855), 3839 states have call successors, (3855) [2022-07-14 00:56:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13329 states to 13329 states and 18454 transitions. [2022-07-14 00:56:17,342 INFO L78 Accepts]: Start accepts. Automaton has 13329 states and 18454 transitions. Word has length 360 [2022-07-14 00:56:17,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:56:17,343 INFO L495 AbstractCegarLoop]: Abstraction has 13329 states and 18454 transitions. [2022-07-14 00:56:17,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-14 00:56:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 13329 states and 18454 transitions. [2022-07-14 00:56:17,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-14 00:56:17,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:56:17,359 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:56:17,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:56:17,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 00:56:17,580 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:56:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:56:17,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1001312369, now seen corresponding path program 1 times [2022-07-14 00:56:17,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:56:17,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783816602] [2022-07-14 00:56:17,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:56:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:56:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:56:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:56:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:56:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:56:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:56:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:56:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:56:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:56:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:56:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:56:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 00:56:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:56:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:56:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 00:56:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:56:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 00:56:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:56:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 00:56:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 00:56:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-14 00:56:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 00:56:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:56:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:56:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:56:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:56:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:56:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 00:56:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:56:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2022-07-14 00:56:18,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:56:18,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783816602] [2022-07-14 00:56:18,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783816602] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:56:18,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:56:18,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-14 00:56:18,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217645061] [2022-07-14 00:56:18,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:56:18,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:56:18,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:56:18,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:56:18,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:56:18,315 INFO L87 Difference]: Start difference. First operand 13329 states and 18454 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 00:56:25,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:56:27,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:56:38,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:57:16,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:57:18,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:57:22,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:57:22,012 INFO L93 Difference]: Finished difference Result 43178 states and 63429 transitions. [2022-07-14 00:57:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 00:57:22,013 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 388 [2022-07-14 00:57:22,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:57:22,171 INFO L225 Difference]: With dead ends: 43178 [2022-07-14 00:57:22,171 INFO L226 Difference]: Without dead ends: 29888 [2022-07-14 00:57:22,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-07-14 00:57:22,232 INFO L413 NwaCegarLoop]: 7516 mSDtfsCounter, 12230 mSDsluCounter, 14567 mSDsCounter, 0 mSdLazyCounter, 22487 mSolverCounterSat, 13562 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13559 SdHoareTripleChecker+Valid, 22083 SdHoareTripleChecker+Invalid, 36051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13562 IncrementalHoareTripleChecker+Valid, 22487 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.4s IncrementalHoareTripleChecker+Time [2022-07-14 00:57:22,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13559 Valid, 22083 Invalid, 36051 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13562 Valid, 22487 Invalid, 2 Unknown, 0 Unchecked, 61.4s Time] [2022-07-14 00:57:22,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29888 states. [2022-07-14 00:57:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29888 to 19586. [2022-07-14 00:57:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19586 states, 12620 states have (on average 1.2533280507131537) internal successors, (15817), 13060 states have internal predecessors, (15817), 5582 states have call successors, (5582), 1383 states have call predecessors, (5582), 1383 states have return successors, (5602), 5404 states have call predecessors, (5602), 5580 states have call successors, (5602) [2022-07-14 00:57:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19586 states to 19586 states and 27001 transitions. [2022-07-14 00:57:23,758 INFO L78 Accepts]: Start accepts. Automaton has 19586 states and 27001 transitions. Word has length 388 [2022-07-14 00:57:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:57:23,758 INFO L495 AbstractCegarLoop]: Abstraction has 19586 states and 27001 transitions. [2022-07-14 00:57:23,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 00:57:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 19586 states and 27001 transitions. [2022-07-14 00:57:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-14 00:57:23,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:57:23,776 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:57:23,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 00:57:23,776 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:57:23,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:57:23,777 INFO L85 PathProgramCache]: Analyzing trace with hash 867576812, now seen corresponding path program 1 times [2022-07-14 00:57:23,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:57:23,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668794605] [2022-07-14 00:57:23,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:57:23,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:57:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:57:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 00:57:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 00:57:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:57:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 00:57:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:57:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:57:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 00:57:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:57:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:57:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:57:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 00:57:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:57:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 00:57:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 00:57:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 00:57:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 00:57:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 00:57:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 00:57:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 00:57:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-14 00:57:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 00:57:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 00:57:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:57:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:57:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:57:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:57:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:57:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 00:57:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:57:24,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-07-14 00:57:24,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:57:24,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668794605] [2022-07-14 00:57:24,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668794605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:57:24,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:57:24,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-14 00:57:24,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805463246] [2022-07-14 00:57:24,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:57:24,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:57:24,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:57:24,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:57:24,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:57:24,480 INFO L87 Difference]: Start difference. First operand 19586 states and 27001 transitions. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (41), 9 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-14 00:57:31,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:57:44,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []