./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.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 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:06:16,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:06:16,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:06:16,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:06:16,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:06:16,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:06:16,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:06:16,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:06:16,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:06:16,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:06:16,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:06:16,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:06:16,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:06:16,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:06:16,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:06:16,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:06:16,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:06:16,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:06:17,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:06:17,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:06:17,003 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:06:17,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:06:17,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:06:17,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:06:17,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:06:17,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:06:17,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:06:17,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:06:17,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:06:17,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:06:17,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:06:17,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:06:17,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:06:17,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:06:17,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:06:17,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:06:17,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:06:17,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:06:17,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:06:17,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:06:17,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:06:17,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:06:17,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:06:17,059 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:06:17,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:06:17,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:06:17,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:06:17,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:06:17,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:06:17,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:06:17,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:06:17,063 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:06:17,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:06:17,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:06:17,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:06:17,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:06:17,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:06:17,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:06:17,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:06:17,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:06:17,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:06:17,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:06:17,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:06:17,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:06:17,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:06:17,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:06:17,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:06:17,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:06:17,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:06:17,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:06:17,067 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:06:17,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:06:17,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:06:17,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2022-07-21 11:06:17,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:06:17,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:06:17,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:06:17,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:06:17,469 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:06:17,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2022-07-21 11:06:17,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf8b5a02/eb89c843fed2403db480f73d6beb75ad/FLAG34e14f594 [2022-07-21 11:06:18,530 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:06:18,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2022-07-21 11:06:18,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf8b5a02/eb89c843fed2403db480f73d6beb75ad/FLAG34e14f594 [2022-07-21 11:06:19,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf8b5a02/eb89c843fed2403db480f73d6beb75ad [2022-07-21 11:06:19,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:06:19,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:06:19,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:06:19,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:06:19,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:06:19,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:06:19" (1/1) ... [2022-07-21 11:06:19,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6630f092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:19, skipping insertion in model container [2022-07-21 11:06:19,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:06:19" (1/1) ... [2022-07-21 11:06:19,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:06:19,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:06:19,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i[183631,183644] [2022-07-21 11:06:22,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:06:22,892 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:06:23,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i[183631,183644] [2022-07-21 11:06:23,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:06:23,764 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:06:23,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23 WrapperNode [2022-07-21 11:06:23,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:06:23,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:06:23,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:06:23,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:06:23,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:23,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,260 INFO L137 Inliner]: procedures = 458, calls = 3192, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7990 [2022-07-21 11:06:24,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:06:24,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:06:24,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:06:24,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:06:24,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:06:24,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:06:24,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:06:24,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:06:24,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (1/1) ... [2022-07-21 11:06:24,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:06:24,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:06:24,873 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) [2022-07-21 11:06:24,900 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 [2022-07-21 11:06:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 11:06:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 11:06:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 11:06:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 11:06:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 11:06:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 11:06:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:06:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:06:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 11:06:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 11:06:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-07-21 11:06:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-07-21 11:06:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-21 11:06:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-21 11:06:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 11:06:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 11:06:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 11:06:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 11:06:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 11:06:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 11:06:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-07-21 11:06:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-07-21 11:06:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 11:06:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 11:06:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-07-21 11:06:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-07-21 11:06:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:06:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:06:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-07-21 11:06:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-07-21 11:06:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-07-21 11:06:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-07-21 11:06:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2022-07-21 11:06:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2022-07-21 11:06:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 11:06:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 11:06:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 11:06:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 11:06:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 11:06:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 11:06:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-07-21 11:06:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-07-21 11:06:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-21 11:06:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 11:06:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 11:06:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-07-21 11:06:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-07-21 11:06:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:06:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2022-07-21 11:06:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2022-07-21 11:06:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 11:06:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 11:06:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 11:06:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 11:06:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 11:06:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 11:06:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 11:06:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 11:06:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:06:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-07-21 11:06:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-07-21 11:06:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:06:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:06:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:06:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:06:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2022-07-21 11:06:24,929 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2022-07-21 11:06:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:06:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-07-21 11:06:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-07-21 11:06:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-07-21 11:06:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-07-21 11:06:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2022-07-21 11:06:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2022-07-21 11:06:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:06:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-07-21 11:06:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-07-21 11:06:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 11:06:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 11:06:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 11:06:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 11:06:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-07-21 11:06:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-07-21 11:06:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-21 11:06:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-21 11:06:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:06:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:06:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-07-21 11:06:24,933 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-07-21 11:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 11:06:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 11:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-07-21 11:06:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-07-21 11:06:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-21 11:06:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-21 11:06:24,935 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2022-07-21 11:06:24,935 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2022-07-21 11:06:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 11:06:24,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 11:06:24,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 11:06:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 11:06:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-07-21 11:06:24,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-07-21 11:06:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-21 11:06:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-21 11:06:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-21 11:06:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:06:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-07-21 11:06:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-07-21 11:06:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 11:06:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 11:06:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-07-21 11:06:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-07-21 11:06:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:06:24,939 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 11:06:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 11:06:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:06:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 11:06:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 11:06:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-07-21 11:06:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-07-21 11:06:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-07-21 11:06:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-07-21 11:06:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 11:06:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 11:06:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-07-21 11:06:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-07-21 11:06:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 11:06:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 11:06:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 11:06:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 11:06:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-07-21 11:06:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-07-21 11:06:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:06:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:06:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-07-21 11:06:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-07-21 11:06:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-07-21 11:06:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-07-21 11:06:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 11:06:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 11:06:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 11:06:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 11:06:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-07-21 11:06:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-07-21 11:06:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-07-21 11:06:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:06:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 11:06:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-07-21 11:06:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 11:06:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:06:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:06:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:06:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-07-21 11:06:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-07-21 11:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 11:06:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 11:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 11:06:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 11:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 11:06:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 11:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-07-21 11:06:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-07-21 11:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-07-21 11:06:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-07-21 11:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-21 11:06:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-21 11:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-07-21 11:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-07-21 11:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 11:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 11:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 11:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 11:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-07-21 11:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-07-21 11:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 11:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 11:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:06:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:06:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:06:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 11:06:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 11:06:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-07-21 11:06:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-07-21 11:06:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-07-21 11:06:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-07-21 11:06:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2022-07-21 11:06:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2022-07-21 11:06:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 11:06:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 11:06:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 11:06:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 11:06:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-21 11:06:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:06:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-07-21 11:06:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 11:06:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 11:06:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 11:06:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-07-21 11:06:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-21 11:06:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2022-07-21 11:06:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-07-21 11:06:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-07-21 11:06:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-07-21 11:06:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-21 11:06:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-21 11:06:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-07-21 11:06:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-07-21 11:06:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 11:06:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 11:06:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:06:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-07-21 11:06:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-07-21 11:06:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:06:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:06:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 11:06:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 11:06:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 11:06:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 11:06:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-07-21 11:06:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-07-21 11:06:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 11:06:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 11:06:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:06:24,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:06:24,957 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-07-21 11:06:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-07-21 11:06:24,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-21 11:06:24,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-21 11:06:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-07-21 11:06:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-07-21 11:06:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-21 11:06:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-21 11:06:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 11:06:24,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 11:06:24,959 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 11:06:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 11:06:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 11:06:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 11:06:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-07-21 11:06:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-07-21 11:06:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-21 11:06:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-21 11:06:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:06:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:06:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-21 11:06:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-21 11:06:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 11:06:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 11:06:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-07-21 11:06:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-07-21 11:06:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:06:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:06:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-07-21 11:06:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-07-21 11:06:24,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:06:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2022-07-21 11:06:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2022-07-21 11:06:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-07-21 11:06:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-07-21 11:06:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:06:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:06:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2022-07-21 11:06:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2022-07-21 11:06:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-07-21 11:06:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-07-21 11:06:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 11:06:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 11:06:24,964 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 11:06:24,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 11:06:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 11:06:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 11:06:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-07-21 11:06:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-07-21 11:06:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:06:24,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:06:24,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-07-21 11:06:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-07-21 11:06:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-21 11:06:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-21 11:06:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-07-21 11:06:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-07-21 11:06:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2022-07-21 11:06:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2022-07-21 11:06:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-07-21 11:06:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-07-21 11:06:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-07-21 11:06:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-07-21 11:06:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 11:06:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 11:06:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 11:06:24,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 11:06:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-07-21 11:06:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-07-21 11:06:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 11:06:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 11:06:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-07-21 11:06:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-07-21 11:06:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 11:06:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 11:06:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:06:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-21 11:06:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-21 11:06:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 11:06:26,002 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:06:26,006 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:06:26,310 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:06:32,777 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:06:32,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:06:32,809 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 11:06:32,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:06:32 BoogieIcfgContainer [2022-07-21 11:06:32,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:06:32,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:06:32,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:06:32,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:06:32,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:06:19" (1/3) ... [2022-07-21 11:06:32,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5a3b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:06:32, skipping insertion in model container [2022-07-21 11:06:32,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:06:23" (2/3) ... [2022-07-21 11:06:32,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5a3b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:06:32, skipping insertion in model container [2022-07-21 11:06:32,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:06:32" (3/3) ... [2022-07-21 11:06:32,826 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2022-07-21 11:06:32,840 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:06:32,841 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:06:32,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:06:32,972 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@70a674a1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5e0838b8 [2022-07-21 11:06:32,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:06:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 3018 states, 2153 states have (on average 1.3836507199256851) internal successors, (2979), 2213 states have internal predecessors, (2979), 709 states have call successors, (709), 155 states have call predecessors, (709), 154 states have return successors, (694), 680 states have call predecessors, (694), 694 states have call successors, (694) [2022-07-21 11:06:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-21 11:06:33,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:06:33,017 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:06:33,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:06:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:06:33,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1295697294, now seen corresponding path program 1 times [2022-07-21 11:06:33,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:06:33,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324888967] [2022-07-21 11:06:33,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:06:33,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:06:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:06:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:06:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:06:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:06:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:06:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:06:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:06:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:06:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:06:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:06:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:06:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-21 11:06:33,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:06:33,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324888967] [2022-07-21 11:06:33,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324888967] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:06:33,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:06:33,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:06:33,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265671070] [2022-07-21 11:06:33,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:06:33,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:06:33,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:06:34,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:06:34,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:06:34,014 INFO L87 Difference]: Start difference. First operand has 3018 states, 2153 states have (on average 1.3836507199256851) internal successors, (2979), 2213 states have internal predecessors, (2979), 709 states have call successors, (709), 155 states have call predecessors, (709), 154 states have return successors, (694), 680 states have call predecessors, (694), 694 states have call successors, (694) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-21 11:06:36,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:06:38,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:06:52,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:06:52,915 INFO L93 Difference]: Finished difference Result 9865 states and 14828 transitions. [2022-07-21 11:06:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:06:52,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2022-07-21 11:06:52,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:06:52,982 INFO L225 Difference]: With dead ends: 9865 [2022-07-21 11:06:52,983 INFO L226 Difference]: Without dead ends: 6798 [2022-07-21 11:06:53,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:06:53,008 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 7646 mSDsluCounter, 6443 mSDsCounter, 0 mSdLazyCounter, 5748 mSolverCounterSat, 4411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8087 SdHoareTripleChecker+Valid, 10958 SdHoareTripleChecker+Invalid, 10159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4411 IncrementalHoareTripleChecker+Valid, 5748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:06:53,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8087 Valid, 10958 Invalid, 10159 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4411 Valid, 5748 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-07-21 11:06:53,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6798 states. [2022-07-21 11:06:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6798 to 5916. [2022-07-21 11:06:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5916 states, 4242 states have (on average 1.3241395568128242) internal successors, (5617), 4328 states have internal predecessors, (5617), 1367 states have call successors, (1367), 307 states have call predecessors, (1367), 306 states have return successors, (1366), 1338 states have call predecessors, (1366), 1366 states have call successors, (1366) [2022-07-21 11:06:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5916 states to 5916 states and 8350 transitions. [2022-07-21 11:06:53,427 INFO L78 Accepts]: Start accepts. Automaton has 5916 states and 8350 transitions. Word has length 91 [2022-07-21 11:06:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:06:53,429 INFO L495 AbstractCegarLoop]: Abstraction has 5916 states and 8350 transitions. [2022-07-21 11:06:53,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-21 11:06:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5916 states and 8350 transitions. [2022-07-21 11:06:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-21 11:06:53,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:06:53,438 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:06:53,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:06:53,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:06:53,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:06:53,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1502219919, now seen corresponding path program 1 times [2022-07-21 11:06:53,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:06:53,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697226908] [2022-07-21 11:06:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:06:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:06:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:06:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:06:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:06:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:06:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:06:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:06:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:06:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:06:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:06:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:06:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:06:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:06:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-21 11:06:53,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:06:53,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697226908] [2022-07-21 11:06:53,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697226908] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:06:53,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:06:53,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:06:53,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438787118] [2022-07-21 11:06:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:06:53,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:06:53,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:06:53,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:06:53,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:06:53,972 INFO L87 Difference]: Start difference. First operand 5916 states and 8350 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:07:07,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:14,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:07:14,106 INFO L93 Difference]: Finished difference Result 13561 states and 19869 transitions. [2022-07-21 11:07:14,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:07:14,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2022-07-21 11:07:14,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:07:14,197 INFO L225 Difference]: With dead ends: 13561 [2022-07-21 11:07:14,198 INFO L226 Difference]: Without dead ends: 13553 [2022-07-21 11:07:14,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:07:14,211 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 7618 mSDsluCounter, 12507 mSDsCounter, 0 mSdLazyCounter, 10234 mSolverCounterSat, 4346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8060 SdHoareTripleChecker+Valid, 17022 SdHoareTripleChecker+Invalid, 14580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4346 IncrementalHoareTripleChecker+Valid, 10234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:07:14,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8060 Valid, 17022 Invalid, 14580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4346 Valid, 10234 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2022-07-21 11:07:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13553 states. [2022-07-21 11:07:14,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13553 to 11837. [2022-07-21 11:07:14,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11837 states, 8484 states have (on average 1.3243752946723244) internal successors, (11236), 8664 states have internal predecessors, (11236), 2728 states have call successors, (2728), 613 states have call predecessors, (2728), 624 states have return successors, (2823), 2671 states have call predecessors, (2823), 2727 states have call successors, (2823) [2022-07-21 11:07:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11837 states to 11837 states and 16787 transitions. [2022-07-21 11:07:14,786 INFO L78 Accepts]: Start accepts. Automaton has 11837 states and 16787 transitions. Word has length 93 [2022-07-21 11:07:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:07:14,787 INFO L495 AbstractCegarLoop]: Abstraction has 11837 states and 16787 transitions. [2022-07-21 11:07:14,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:07:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 11837 states and 16787 transitions. [2022-07-21 11:07:14,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-21 11:07:14,831 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:07:14,832 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:07:14,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:07:14,832 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:07:14,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:07:14,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1935466641, now seen corresponding path program 1 times [2022-07-21 11:07:14,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:07:14,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050810282] [2022-07-21 11:07:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:07:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:07:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:07:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:07:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:07:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:07:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:07:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:07:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:07:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:07:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:07:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:07:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:07:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:07:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:07:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:07:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:07:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:07:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:07:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:07:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:07:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:07:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:07:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 11:07:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:07:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 11:07:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 11:07:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:07:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:07:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:07:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 11:07:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 11:07:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:07:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 11:07:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 11:07:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:07:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 11:07:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:07:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 11:07:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:07:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 11:07:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:07:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:07:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:07:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:07:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:07:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:07:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:07:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:07:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-21 11:07:16,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:07:16,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050810282] [2022-07-21 11:07:16,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050810282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:07:16,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:07:16,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-21 11:07:16,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017453209] [2022-07-21 11:07:16,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:07:16,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 11:07:16,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:07:16,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 11:07:16,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-21 11:07:16,208 INFO L87 Difference]: Start difference. First operand 11837 states and 16787 transitions. Second operand has 15 states, 14 states have (on average 13.571428571428571) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (53), 8 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-21 11:07:19,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:21,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:24,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:26,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:07:59,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:07:59,989 INFO L93 Difference]: Finished difference Result 39551 states and 57890 transitions. [2022-07-21 11:07:59,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-21 11:07:59,990 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 13.571428571428571) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (53), 8 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) Word has length 353 [2022-07-21 11:07:59,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:00,179 INFO L225 Difference]: With dead ends: 39551 [2022-07-21 11:08:00,180 INFO L226 Difference]: Without dead ends: 27741 [2022-07-21 11:08:00,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=408, Invalid=1152, Unknown=0, NotChecked=0, Total=1560 [2022-07-21 11:08:00,260 INFO L413 NwaCegarLoop]: 4120 mSDtfsCounter, 14110 mSDsluCounter, 18422 mSDsCounter, 0 mSdLazyCounter, 32316 mSolverCounterSat, 10937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14894 SdHoareTripleChecker+Valid, 22542 SdHoareTripleChecker+Invalid, 43253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10937 IncrementalHoareTripleChecker+Valid, 32316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:00,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14894 Valid, 22542 Invalid, 43253 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10937 Valid, 32316 Invalid, 0 Unknown, 0 Unchecked, 41.7s Time] [2022-07-21 11:08:00,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27741 states. [2022-07-21 11:08:01,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27741 to 23381. [2022-07-21 11:08:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23381 states, 16770 states have (on average 1.3231961836613) internal successors, (22190), 17124 states have internal predecessors, (22190), 5368 states have call successors, (5368), 1213 states have call predecessors, (5368), 1242 states have return successors, (5553), 5257 states have call predecessors, (5553), 5367 states have call successors, (5553) [2022-07-21 11:08:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23381 states to 23381 states and 33111 transitions. [2022-07-21 11:08:01,539 INFO L78 Accepts]: Start accepts. Automaton has 23381 states and 33111 transitions. Word has length 353 [2022-07-21 11:08:01,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:01,541 INFO L495 AbstractCegarLoop]: Abstraction has 23381 states and 33111 transitions. [2022-07-21 11:08:01,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 13.571428571428571) internal successors, (190), 7 states have internal predecessors, (190), 3 states have call successors, (53), 8 states have call predecessors, (53), 3 states have return successors, (52), 4 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-21 11:08:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 23381 states and 33111 transitions. [2022-07-21 11:08:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-21 11:08:01,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:01,618 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:01,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:08:01,619 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:01,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:01,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1610543727, now seen corresponding path program 1 times [2022-07-21 11:08:01,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:01,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922564908] [2022-07-21 11:08:01,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:01,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:08:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:08:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:08:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:08:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:08:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 11:08:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:08:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:08:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:08:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:08:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:08:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:08:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:08:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:08:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:08:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:08:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:08:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:08:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:08:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 11:08:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:08:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:08:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:08:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:08:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:08:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:08:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:08:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:08:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:08:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:08:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:08:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:08:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 11:08:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:08:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:08:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:08:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:08:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:08:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:08:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:08:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:08:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 11:08:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:03,399 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-07-21 11:08:03,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:03,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922564908] [2022-07-21 11:08:03,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922564908] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:08:03,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256071153] [2022-07-21 11:08:03,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:03,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:08:03,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:08:03,403 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) [2022-07-21 11:08:03,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:08:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:05,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 4668 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:08:05,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:08:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-21 11:08:05,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:08:05,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256071153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:05,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:08:05,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2022-07-21 11:08:05,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191800986] [2022-07-21 11:08:05,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:05,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:08:05,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:05,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:08:05,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-07-21 11:08:05,163 INFO L87 Difference]: Start difference. First operand 23381 states and 33111 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:08:06,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:06,684 INFO L93 Difference]: Finished difference Result 66473 states and 94057 transitions. [2022-07-21 11:08:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:08:06,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 429 [2022-07-21 11:08:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:06,923 INFO L225 Difference]: With dead ends: 66473 [2022-07-21 11:08:06,924 INFO L226 Difference]: Without dead ends: 43119 [2022-07-21 11:08:07,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 553 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-07-21 11:08:07,030 INFO L413 NwaCegarLoop]: 5034 mSDtfsCounter, 3552 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 9186 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:07,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 9186 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:08:07,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43119 states. [2022-07-21 11:08:08,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43119 to 43111. [2022-07-21 11:08:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43111 states, 31188 states have (on average 1.327690137232269) internal successors, (41408), 31760 states have internal predecessors, (41408), 9592 states have call successors, (9592), 2277 states have call predecessors, (9592), 2330 states have return successors, (9913), 9429 states have call predecessors, (9913), 9591 states have call successors, (9913) [2022-07-21 11:08:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43111 states to 43111 states and 60913 transitions. [2022-07-21 11:08:09,172 INFO L78 Accepts]: Start accepts. Automaton has 43111 states and 60913 transitions. Word has length 429 [2022-07-21 11:08:09,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:09,173 INFO L495 AbstractCegarLoop]: Abstraction has 43111 states and 60913 transitions. [2022-07-21 11:08:09,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:08:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 43111 states and 60913 transitions. [2022-07-21 11:08:09,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-21 11:08:09,313 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:09,313 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:09,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:08:09,527 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 [2022-07-21 11:08:09,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:09,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:09,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1614893254, now seen corresponding path program 1 times [2022-07-21 11:08:09,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:09,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957641146] [2022-07-21 11:08:09,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:09,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:08:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:08:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:08:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:08:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:08:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:08:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:08:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 11:08:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 11:08:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:08:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:08:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:08:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:08:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:08:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:08:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:08:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:08:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 11:08:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:08:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:08:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:08:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:08:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:08:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:08:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:08:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:08:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:08:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:08:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:08:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:08:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 11:08:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:08:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:08:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:08:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:08:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-21 11:08:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 11:08:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:08:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:08:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 11:08:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:08:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:08:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-21 11:08:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:08:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:08:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:08:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:08:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 11:08:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 11:08:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 11:08:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:08:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:08:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-07-21 11:08:11,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:11,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957641146] [2022-07-21 11:08:11,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957641146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:11,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:11,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:08:11,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263908859] [2022-07-21 11:08:11,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:11,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:08:11,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:11,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:08:11,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:08:11,055 INFO L87 Difference]: Start difference. First operand 43111 states and 60913 transitions. Second operand has 11 states, 11 states have (on average 21.09090909090909) internal successors, (232), 3 states have internal predecessors, (232), 2 states have call successors, (69), 10 states have call predecessors, (69), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-21 11:08:17,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:08:20,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:08:43,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:08:43,598 INFO L93 Difference]: Finished difference Result 134883 states and 195190 transitions. [2022-07-21 11:08:43,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-21 11:08:43,599 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.09090909090909) internal successors, (232), 3 states have internal predecessors, (232), 2 states have call successors, (69), 10 states have call predecessors, (69), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 506 [2022-07-21 11:08:43,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:08:44,587 INFO L225 Difference]: With dead ends: 134883 [2022-07-21 11:08:44,587 INFO L226 Difference]: Without dead ends: 91799 [2022-07-21 11:08:44,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=506, Unknown=0, NotChecked=0, Total=702 [2022-07-21 11:08:44,856 INFO L413 NwaCegarLoop]: 3947 mSDtfsCounter, 13337 mSDsluCounter, 8677 mSDsCounter, 0 mSdLazyCounter, 14947 mSolverCounterSat, 9805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13653 SdHoareTripleChecker+Valid, 12624 SdHoareTripleChecker+Invalid, 24752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9805 IncrementalHoareTripleChecker+Valid, 14947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:08:44,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13653 Valid, 12624 Invalid, 24752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9805 Valid, 14947 Invalid, 0 Unknown, 0 Unchecked, 28.6s Time] [2022-07-21 11:08:44,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91799 states. [2022-07-21 11:08:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91799 to 75475. [2022-07-21 11:08:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75475 states, 54450 states have (on average 1.3214692378328743) internal successors, (71954), 55522 states have internal predecessors, (71954), 16684 states have call successors, (16684), 4249 states have call predecessors, (16684), 4340 states have return successors, (17247), 16311 states have call predecessors, (17247), 16683 states have call successors, (17247) [2022-07-21 11:08:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75475 states to 75475 states and 105885 transitions. [2022-07-21 11:08:48,820 INFO L78 Accepts]: Start accepts. Automaton has 75475 states and 105885 transitions. Word has length 506 [2022-07-21 11:08:48,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:08:48,822 INFO L495 AbstractCegarLoop]: Abstraction has 75475 states and 105885 transitions. [2022-07-21 11:08:48,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.09090909090909) internal successors, (232), 3 states have internal predecessors, (232), 2 states have call successors, (69), 10 states have call predecessors, (69), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-07-21 11:08:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 75475 states and 105885 transitions. [2022-07-21 11:08:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-21 11:08:48,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:08:48,897 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 7, 7, 7, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:08:48,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:08:48,898 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:08:48,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:08:48,898 INFO L85 PathProgramCache]: Analyzing trace with hash -343012048, now seen corresponding path program 1 times [2022-07-21 11:08:48,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:08:48,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21866311] [2022-07-21 11:08:48,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:08:48,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:08:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:08:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:08:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:08:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:08:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:08:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:08:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:08:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:08:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:08:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:08:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:08:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:08:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:08:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 11:08:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 11:08:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 11:08:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 11:08:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:08:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:08:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:08:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:08:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:08:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:08:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:08:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:08:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:08:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:08:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:08:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:08:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 11:08:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:08:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:08:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:08:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:08:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:08:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:08:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:08:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:08:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:08:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:08:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:08:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:08:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:08:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 11:08:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:08:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 11:08:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:08:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:08:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:08:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:08:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:08:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:08:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 11:08:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:08:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2022-07-21 11:08:50,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:08:50,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21866311] [2022-07-21 11:08:50,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21866311] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:08:50,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:08:50,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:08:50,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398664867] [2022-07-21 11:08:50,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:08:50,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:08:50,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:08:50,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:08:50,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:08:50,342 INFO L87 Difference]: Start difference. First operand 75475 states and 105885 transitions. Second operand has 9 states, 9 states have (on average 24.444444444444443) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (63), 8 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-07-21 11:08:55,837 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 [] [2022-07-21 11:09:17,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:09:17,728 INFO L93 Difference]: Finished difference Result 210815 states and 303582 transitions. [2022-07-21 11:09:17,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 11:09:17,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.444444444444443) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (63), 8 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 430 [2022-07-21 11:09:17,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:09:18,571 INFO L225 Difference]: With dead ends: 210815 [2022-07-21 11:09:18,572 INFO L226 Difference]: Without dead ends: 135367 [2022-07-21 11:09:18,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2022-07-21 11:09:18,772 INFO L413 NwaCegarLoop]: 6651 mSDtfsCounter, 8453 mSDsluCounter, 8734 mSDsCounter, 0 mSdLazyCounter, 11211 mSolverCounterSat, 5743 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9218 SdHoareTripleChecker+Valid, 15385 SdHoareTripleChecker+Invalid, 16955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5743 IncrementalHoareTripleChecker+Valid, 11211 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:09:18,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9218 Valid, 15385 Invalid, 16955 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5743 Valid, 11211 Invalid, 1 Unknown, 0 Unchecked, 21.7s Time] [2022-07-21 11:09:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135367 states. [2022-07-21 11:09:23,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135367 to 113383. [2022-07-21 11:09:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113383 states, 81834 states have (on average 1.3204536011926582) internal successors, (108058), 83446 states have internal predecessors, (108058), 25016 states have call successors, (25016), 6393 states have call predecessors, (25016), 6532 states have return successors, (25831), 24455 states have call predecessors, (25831), 25015 states have call successors, (25831) [2022-07-21 11:09:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113383 states to 113383 states and 158905 transitions. [2022-07-21 11:09:24,335 INFO L78 Accepts]: Start accepts. Automaton has 113383 states and 158905 transitions. Word has length 430 [2022-07-21 11:09:24,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:09:24,336 INFO L495 AbstractCegarLoop]: Abstraction has 113383 states and 158905 transitions. [2022-07-21 11:09:24,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.444444444444443) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (63), 8 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-07-21 11:09:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 113383 states and 158905 transitions. [2022-07-21 11:09:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-21 11:09:24,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:09:24,452 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 7, 7, 7, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:09:24,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 11:09:24,453 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:09:24,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:09:24,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1268785744, now seen corresponding path program 1 times [2022-07-21 11:09:24,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:09:24,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55526047] [2022-07-21 11:09:24,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:24,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:09:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:09:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:09:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:09:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:09:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:09:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:09:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:09:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:09:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:09:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:09:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:09:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:09:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:09:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 11:09:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 11:09:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 11:09:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 11:09:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 11:09:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:09:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:09:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:09:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:09:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:09:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:09:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:09:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:09:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:09:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:09:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:09:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 11:09:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:09:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:09:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:09:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:09:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:09:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:09:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:09:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:09:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:09:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:09:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:09:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:09:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:09:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 11:09:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:09:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 11:09:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:09:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:09:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:09:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:09:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 11:09:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:26,103 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-07-21 11:09:26,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:09:26,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55526047] [2022-07-21 11:09:26,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55526047] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:09:26,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580654628] [2022-07-21 11:09:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:26,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:09:26,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:09:26,106 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) [2022-07-21 11:09:26,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:09:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:27,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 4902 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:09:27,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:09:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-21 11:09:27,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:09:27,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580654628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:09:27,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:09:27,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-21 11:09:27,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530416571] [2022-07-21 11:09:27,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:09:27,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:09:27,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:09:27,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:09:27,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-21 11:09:27,895 INFO L87 Difference]: Start difference. First operand 113383 states and 158905 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-07-21 11:09:31,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:09:31,385 INFO L93 Difference]: Finished difference Result 170415 states and 239728 transitions. [2022-07-21 11:09:31,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:09:31,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 430 [2022-07-21 11:09:31,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:09:32,160 INFO L225 Difference]: With dead ends: 170415 [2022-07-21 11:09:32,160 INFO L226 Difference]: Without dead ends: 113431 [2022-07-21 11:09:32,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-21 11:09:32,353 INFO L413 NwaCegarLoop]: 4216 mSDtfsCounter, 5 mSDsluCounter, 4208 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8424 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:09:32,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8424 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:09:32,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113431 states. [2022-07-21 11:09:36,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113431 to 113431. [2022-07-21 11:09:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113431 states, 81882 states have (on average 1.3202657482719036) internal successors, (108106), 83494 states have internal predecessors, (108106), 25016 states have call successors, (25016), 6393 states have call predecessors, (25016), 6532 states have return successors, (25831), 24455 states have call predecessors, (25831), 25015 states have call successors, (25831) [2022-07-21 11:09:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113431 states to 113431 states and 158953 transitions. [2022-07-21 11:09:37,143 INFO L78 Accepts]: Start accepts. Automaton has 113431 states and 158953 transitions. Word has length 430 [2022-07-21 11:09:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:09:37,144 INFO L495 AbstractCegarLoop]: Abstraction has 113431 states and 158953 transitions. [2022-07-21 11:09:37,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-07-21 11:09:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 113431 states and 158953 transitions. [2022-07-21 11:09:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-21 11:09:37,217 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:09:37,218 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 7, 7, 7, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:09:37,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:09:37,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-07-21 11:09:37,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:09:37,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:09:37,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1777440657, now seen corresponding path program 1 times [2022-07-21 11:09:37,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:09:37,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689241636] [2022-07-21 11:09:37,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:37,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:09:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:09:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:09:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:09:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:09:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:09:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 11:09:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 11:09:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 11:09:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:09:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:09:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:09:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:09:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:09:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:09:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:09:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 11:09:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 11:09:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 11:09:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 11:09:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 11:09:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:09:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:09:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:09:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:09:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:09:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:09:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:09:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:09:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:09:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 11:09:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:09:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 11:09:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:09:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:09:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:09:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:09:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:09:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:09:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:09:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:09:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:09:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:09:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:09:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:09:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:09:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 11:09:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:09:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 11:09:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:09:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:09:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 11:09:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 11:09:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 11:09:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 11:09:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 11:09:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-07-21 11:09:39,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:09:39,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689241636] [2022-07-21 11:09:39,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689241636] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:09:39,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495088397] [2022-07-21 11:09:39,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:09:39,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:09:39,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:09:39,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:09:39,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 11:09:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:09:41,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 4910 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 11:09:41,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:09:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 230 proven. 42 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2022-07-21 11:09:41,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:09:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2022-07-21 11:09:42,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495088397] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 11:09:42,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:09:42,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14, 6] total 20 [2022-07-21 11:09:42,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442844652] [2022-07-21 11:09:42,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:09:42,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:09:42,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:09:42,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:09:42,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2022-07-21 11:09:42,894 INFO L87 Difference]: Start difference. First operand 113431 states and 158953 transitions. Second operand has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 5 states have call successors, (63), 3 states have call predecessors, (63), 2 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62)