./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-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-?-eb692b5 [2022-07-19 23:34:37,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:34:37,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:34:37,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:34:37,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:34:37,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:34:37,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:34:37,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:34:37,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:34:37,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:34:37,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:34:37,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:34:37,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:34:37,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:34:37,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:34:37,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:34:37,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:34:37,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:34:37,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:34:37,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:34:37,374 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:34:37,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:34:37,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:34:37,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:34:37,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:34:37,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:34:37,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:34:37,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:34:37,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:34:37,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:34:37,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:34:37,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:34:37,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:34:37,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:34:37,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:34:37,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:34:37,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:34:37,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:34:37,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:34:37,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:34:37,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:34:37,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:34:37,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:34:37,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:34:37,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:34:37,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:34:37,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:34:37,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:34:37,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:34:37,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:34:37,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:34:37,431 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:34:37,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:34:37,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:34:37,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:34:37,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:34:37,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:34:37,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:34:37,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:34:37,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:34:37,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:34:37,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:34:37,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:34:37,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:34:37,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:34:37,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:34:37,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:34:37,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:34:37,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:34:37,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:34:37,435 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:34:37,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:34:37,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:34:37,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2022-07-19 23:34:37,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:34:37,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:34:37,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:34:37,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:34:37,684 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:34:37,686 INFO L432 ainManager$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 [2022-07-19 23:34:37,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e79606a/da88d05a60c54ecfbbd4c55ab8e4dae1/FLAG5e30a0aba [2022-07-19 23:34:38,642 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:34:38,643 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 [2022-07-19 23:34:38,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e79606a/da88d05a60c54ecfbbd4c55ab8e4dae1/FLAG5e30a0aba [2022-07-19 23:34:38,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75e79606a/da88d05a60c54ecfbbd4c55ab8e4dae1 [2022-07-19 23:34:38,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:34:38,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:34:38,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:34:38,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:34:38,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:34:38,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:34:38" (1/1) ... [2022-07-19 23:34:38,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d85468b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:38, skipping insertion in model container [2022-07-19 23:34:38,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:34:38" (1/1) ... [2022-07-19 23:34:38,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:34:38,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:34:39,633 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] [2022-07-19 23:34:41,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:34:41,928 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:34:42,011 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] [2022-07-19 23:34:42,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:34:42,548 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:34:42,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42 WrapperNode [2022-07-19 23:34:42,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:34:42,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:34:42,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:34:42,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:34:42,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:42,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:42,906 INFO L137 Inliner]: procedures = 458, calls = 3192, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7990 [2022-07-19 23:34:42,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:34:42,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:34:42,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:34:42,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:34:42,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:42,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:42,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:42,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:43,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:43,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:43,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:43,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:34:43,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:34:43,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:34:43,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:34:43,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (1/1) ... [2022-07-19 23:34:43,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:34:43,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:34:43,369 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) [2022-07-19 23:34:43,387 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 [2022-07-19 23:34:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-19 23:34:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-19 23:34:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:34:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:34:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-19 23:34:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-19 23:34:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:34:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:34:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-19 23:34:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-19 23:34:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-07-19 23:34:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-07-19 23:34:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-07-19 23:34:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-07-19 23:34:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-19 23:34:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-19 23:34:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:34:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:34:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-19 23:34:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-19 23:34:43,404 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-07-19 23:34:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-07-19 23:34:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:34:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:34:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-07-19 23:34:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-07-19 23:34:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:34:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:34:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-07-19 23:34:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-07-19 23:34:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-07-19 23:34:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-07-19 23:34:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2022-07-19 23:34:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2022-07-19 23:34:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-19 23:34:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-19 23:34:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-19 23:34:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-19 23:34:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-19 23:34:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-19 23:34:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-07-19 23:34:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-07-19 23:34:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-19 23:34:43,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-19 23:34:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-19 23:34:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-07-19 23:34:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-07-19 23:34:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:34:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2022-07-19 23:34:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2022-07-19 23:34:43,408 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-19 23:34:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-19 23:34:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-19 23:34:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-19 23:34:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-19 23:34:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-19 23:34:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 23:34:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 23:34:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:34:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-07-19 23:34:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-07-19 23:34:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:34:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:34:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:34:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:34:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2022-07-19 23:34:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2022-07-19 23:34:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:34:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-07-19 23:34:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-07-19 23:34:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-07-19 23:34:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-07-19 23:34:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2022-07-19 23:34:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2022-07-19 23:34:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:34:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-07-19 23:34:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-07-19 23:34:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:34:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:34:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-19 23:34:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-19 23:34:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-07-19 23:34:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-07-19 23:34:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-19 23:34:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-19 23:34:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:34:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:34:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-07-19 23:34:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-07-19 23:34:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-19 23:34:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-19 23:34:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-07-19 23:34:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-07-19 23:34:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-19 23:34:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-19 23:34:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2022-07-19 23:34:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2022-07-19 23:34:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-19 23:34:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-19 23:34:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:34:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:34:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-07-19 23:34:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-07-19 23:34:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-19 23:34:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-19 23:34:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-19 23:34:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:34:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-07-19 23:34:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-07-19 23:34:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-19 23:34:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-19 23:34:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-07-19 23:34:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-07-19 23:34:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:34:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-19 23:34:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-19 23:34:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:34:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-19 23:34:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-19 23:34:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-07-19 23:34:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-07-19 23:34:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-07-19 23:34:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-07-19 23:34:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-19 23:34:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-19 23:34:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-07-19 23:34:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-07-19 23:34:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-19 23:34:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-19 23:34:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-19 23:34:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-19 23:34:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-07-19 23:34:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-07-19 23:34:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:34:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:34:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-07-19 23:34:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-07-19 23:34:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-07-19 23:34:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-07-19 23:34:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-19 23:34:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-19 23:34:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-19 23:34:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-19 23:34:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-07-19 23:34:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-07-19 23:34:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-07-19 23:34:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-07-19 23:34:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:34:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:34:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-19 23:34:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-19 23:34:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-07-19 23:34:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-07-19 23:34:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:34:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:34:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:34:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:34:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:34:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:34:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:34:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:34:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-07-19 23:34:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-07-19 23:34:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:34:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:34:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-19 23:34:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-19 23:34:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-19 23:34:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-19 23:34:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-07-19 23:34:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-07-19 23:34:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-07-19 23:34:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-07-19 23:34:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-19 23:34:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-19 23:34:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:34:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:34:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-07-19 23:34:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-07-19 23:34:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-19 23:34:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-19 23:34:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-19 23:34:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-19 23:34:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-07-19 23:34:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-07-19 23:34:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:34:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:34:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:34:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:34:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:34:43,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:34:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-19 23:34:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-19 23:34:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-07-19 23:34:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-07-19 23:34:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-07-19 23:34:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-07-19 23:34:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2022-07-19 23:34:43,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2022-07-19 23:34:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-19 23:34:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-19 23:34:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-19 23:34:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-19 23:34:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-19 23:34:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-19 23:34:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-19 23:34:43,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-19 23:34:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:34:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-19 23:34:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-19 23:34:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-07-19 23:34:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-07-19 23:34:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-19 23:34:43,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-19 23:34:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-19 23:34:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-19 23:34:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-07-19 23:34:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-07-19 23:34:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:34:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-19 23:34:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-19 23:34:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2022-07-19 23:34:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2022-07-19 23:34:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-07-19 23:34:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-07-19 23:34:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-07-19 23:34:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-07-19 23:34:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-07-19 23:34:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-07-19 23:34:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-19 23:34:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-19 23:34:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-07-19 23:34:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-07-19 23:34:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-19 23:34:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-19 23:34:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:34:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-07-19 23:34:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-07-19 23:34:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:34:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:34:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-19 23:34:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-19 23:34:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 23:34:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 23:34:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-07-19 23:34:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-07-19 23:34:43,434 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-19 23:34:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-19 23:34:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:34:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:34:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-07-19 23:34:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-07-19 23:34:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-19 23:34:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-19 23:34:43,435 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-07-19 23:34:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-07-19 23:34:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-19 23:34:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-19 23:34:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-19 23:34:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-19 23:34:43,436 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 23:34:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 23:34:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-19 23:34:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-19 23:34:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-07-19 23:34:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-07-19 23:34:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-19 23:34:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-19 23:34:43,437 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-19 23:34:43,437 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-19 23:34:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-07-19 23:34:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-07-19 23:34:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-19 23:34:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-19 23:34:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-07-19 23:34:43,438 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-07-19 23:34:43,438 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:34:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:34:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-07-19 23:34:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-07-19 23:34:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:34:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2022-07-19 23:34:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2022-07-19 23:34:43,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-07-19 23:34:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-07-19 23:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:34:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2022-07-19 23:34:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2022-07-19 23:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-07-19 23:34:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-07-19 23:34:43,440 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-19 23:34:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-19 23:34:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-19 23:34:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-19 23:34:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-19 23:34:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-19 23:34:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-07-19 23:34:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-07-19 23:34:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-19 23:34:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-19 23:34:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-07-19 23:34:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-07-19 23:34:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-19 23:34:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-19 23:34:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-07-19 23:34:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-07-19 23:34:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2022-07-19 23:34:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2022-07-19 23:34:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-07-19 23:34:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-07-19 23:34:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-07-19 23:34:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-07-19 23:34:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-19 23:34:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-19 23:34:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-19 23:34:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-19 23:34:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-07-19 23:34:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-07-19 23:34:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-19 23:34:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-19 23:34:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-07-19 23:34:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-07-19 23:34:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-19 23:34:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-19 23:34:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:34:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-19 23:34:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-19 23:34:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-19 23:34:44,531 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:34:44,534 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:34:44,810 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:34:51,154 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:34:51,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:34:51,197 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 23:34:51,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:34:51 BoogieIcfgContainer [2022-07-19 23:34:51,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:34:51,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:34:51,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:34:51,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:34:51,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:34:38" (1/3) ... [2022-07-19 23:34:51,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6350f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:34:51, skipping insertion in model container [2022-07-19 23:34:51,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:34:42" (2/3) ... [2022-07-19 23:34:51,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6350f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:34:51, skipping insertion in model container [2022-07-19 23:34:51,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:34:51" (3/3) ... [2022-07-19 23:34:51,214 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 [2022-07-19 23:34:51,226 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:34:51,226 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:34:51,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:34:51,402 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@3d83ac1c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@edb1a95 [2022-07-19 23:34:51,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:34:51,416 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) [2022-07-19 23:34:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-19 23:34:51,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:34:51,447 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] [2022-07-19 23:34:51,447 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:34:51,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:34:51,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1295697294, now seen corresponding path program 1 times [2022-07-19 23:34:51,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:34:51,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614753044] [2022-07-19 23:34:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:34:51,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:34:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:34:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:34:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:34:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:34:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:34:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:34:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:34:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:34:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:34:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:34:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:34:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:34:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-19 23:34:52,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:34:52,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614753044] [2022-07-19 23:34:52,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614753044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:34:52,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:34:52,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:34:52,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86508662] [2022-07-19 23:34:52,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:34:52,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:34:52,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:34:52,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:34:52,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:34:52,392 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) [2022-07-19 23:34:54,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:34:56,742 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 [] [2022-07-19 23:35:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:35:08,937 INFO L93 Difference]: Finished difference Result 9865 states and 14828 transitions. [2022-07-19 23:35:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:35:08,940 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 [2022-07-19 23:35:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:35:09,001 INFO L225 Difference]: With dead ends: 9865 [2022-07-19 23:35:09,001 INFO L226 Difference]: Without dead ends: 6798 [2022-07-19 23:35:09,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:35:09,025 INFO L413 NwaCegarLoop]: 4512 mSDtfsCounter, 7646 mSDsluCounter, 6435 mSDsCounter, 0 mSdLazyCounter, 5746 mSolverCounterSat, 4420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8087 SdHoareTripleChecker+Valid, 10947 SdHoareTripleChecker+Invalid, 10166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4420 IncrementalHoareTripleChecker+Valid, 5746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:35:09,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8087 Valid, 10947 Invalid, 10166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4420 Valid, 5746 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2022-07-19 23:35:09,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6798 states. [2022-07-19 23:35:09,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6798 to 5916. [2022-07-19 23:35:09,410 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) [2022-07-19 23:35:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5916 states to 5916 states and 8350 transitions. [2022-07-19 23:35:09,457 INFO L78 Accepts]: Start accepts. Automaton has 5916 states and 8350 transitions. Word has length 91 [2022-07-19 23:35:09,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:35:09,459 INFO L495 AbstractCegarLoop]: Abstraction has 5916 states and 8350 transitions. [2022-07-19 23:35:09,459 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) [2022-07-19 23:35:09,459 INFO L276 IsEmpty]: Start isEmpty. Operand 5916 states and 8350 transitions. [2022-07-19 23:35:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 23:35:09,467 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:35:09,468 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] [2022-07-19 23:35:09,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:35:09,469 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:35:09,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:35:09,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1502219919, now seen corresponding path program 1 times [2022-07-19 23:35:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:35:09,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425456134] [2022-07-19 23:35:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:35:09,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:35:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:09,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:35:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:35:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:35:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:35:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:35:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:35:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:35:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:35:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:35:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:35:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:35:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-19 23:35:10,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:35:10,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425456134] [2022-07-19 23:35:10,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425456134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:35:10,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:35:10,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:35:10,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199169198] [2022-07-19 23:35:10,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:35:10,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:35:10,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:35:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:35:10,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:35:10,092 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) [2022-07-19 23:35:29,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:35:29,055 INFO L93 Difference]: Finished difference Result 13561 states and 19869 transitions. [2022-07-19 23:35:29,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:35:29,056 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 [2022-07-19 23:35:29,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:35:29,143 INFO L225 Difference]: With dead ends: 13561 [2022-07-19 23:35:29,143 INFO L226 Difference]: Without dead ends: 13553 [2022-07-19 23:35:29,153 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 [2022-07-19 23:35:29,154 INFO L413 NwaCegarLoop]: 4494 mSDtfsCounter, 7624 mSDsluCounter, 12453 mSDsCounter, 0 mSdLazyCounter, 10216 mSolverCounterSat, 4373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8067 SdHoareTripleChecker+Valid, 16947 SdHoareTripleChecker+Invalid, 14589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4373 IncrementalHoareTripleChecker+Valid, 10216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:35:29,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8067 Valid, 16947 Invalid, 14589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4373 Valid, 10216 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2022-07-19 23:35:29,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13553 states. [2022-07-19 23:35:29,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13553 to 11837. [2022-07-19 23:35:29,649 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) [2022-07-19 23:35:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11837 states to 11837 states and 16787 transitions. [2022-07-19 23:35:29,696 INFO L78 Accepts]: Start accepts. Automaton has 11837 states and 16787 transitions. Word has length 93 [2022-07-19 23:35:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:35:29,696 INFO L495 AbstractCegarLoop]: Abstraction has 11837 states and 16787 transitions. [2022-07-19 23:35:29,697 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) [2022-07-19 23:35:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 11837 states and 16787 transitions. [2022-07-19 23:35:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-07-19 23:35:29,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:35:29,739 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] [2022-07-19 23:35:29,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:35:29,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:35:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:35:29,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1935466641, now seen corresponding path program 1 times [2022-07-19 23:35:29,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:35:29,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795387591] [2022-07-19 23:35:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:35:29,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:35:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:35:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:35:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:35:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:35:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:35:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:35:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:35:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:35:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:35:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:35:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:35:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:35:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:35:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:35:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:35:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:35:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:35:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:35:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:35:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:35:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:35:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:35:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:35:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:35:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:35:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:35:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:35:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-19 23:35:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 23:35:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 23:35:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:35:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:35:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 23:35:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 23:35:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:35:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:35:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 23:35:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 23:35:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 23:35:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 23:35:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:35:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:35:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:35:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-19 23:35:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-19 23:35:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:35:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:35:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:35:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:35:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:35:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:35:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-19 23:35:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:35:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-19 23:35:30,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:35:30,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795387591] [2022-07-19 23:35:31,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795387591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:35:31,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:35:31,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-19 23:35:31,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456578292] [2022-07-19 23:35:31,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:35:31,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-19 23:35:31,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:35:31,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-19 23:35:31,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-19 23:35:31,002 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) [2022-07-19 23:35:33,447 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 [] [2022-07-19 23:35:34,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:35:37,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:35:39,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:35:41,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:35:42,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:35:43,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:35:57,615 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 [] [2022-07-19 23:36:15,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:36:15,808 INFO L93 Difference]: Finished difference Result 39551 states and 57890 transitions. [2022-07-19 23:36:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-19 23:36:15,808 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 [2022-07-19 23:36:15,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:36:15,987 INFO L225 Difference]: With dead ends: 39551 [2022-07-19 23:36:15,987 INFO L226 Difference]: Without dead ends: 27741 [2022-07-19 23:36:16,066 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 [2022-07-19 23:36:16,069 INFO L413 NwaCegarLoop]: 4116 mSDtfsCounter, 14125 mSDsluCounter, 18422 mSDsCounter, 0 mSdLazyCounter, 32293 mSolverCounterSat, 10947 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14907 SdHoareTripleChecker+Valid, 22538 SdHoareTripleChecker+Invalid, 43241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10947 IncrementalHoareTripleChecker+Valid, 32293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:36:16,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14907 Valid, 22538 Invalid, 43241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10947 Valid, 32293 Invalid, 1 Unknown, 0 Unchecked, 42.8s Time] [2022-07-19 23:36:16,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27741 states. [2022-07-19 23:36:17,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27741 to 23381. [2022-07-19 23:36:17,245 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) [2022-07-19 23:36:17,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23381 states to 23381 states and 33111 transitions. [2022-07-19 23:36:17,352 INFO L78 Accepts]: Start accepts. Automaton has 23381 states and 33111 transitions. Word has length 353 [2022-07-19 23:36:17,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:36:17,355 INFO L495 AbstractCegarLoop]: Abstraction has 23381 states and 33111 transitions. [2022-07-19 23:36:17,355 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) [2022-07-19 23:36:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 23381 states and 33111 transitions. [2022-07-19 23:36:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-19 23:36:17,425 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:36:17,425 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] [2022-07-19 23:36:17,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:36:17,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:36:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:36:17,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1610543727, now seen corresponding path program 1 times [2022-07-19 23:36:17,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:36:17,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605313166] [2022-07-19 23:36:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:36:17,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:36:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:36:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:36:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:36:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:36:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:36:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:36:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:36:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:36:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:36:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:36:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:36:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 23:36:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:36:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:36:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:36:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 23:36:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:36:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:36:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:36:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:36:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:36:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:36:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:36:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:36:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:36:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:36:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 23:36:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:36:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:36:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:36:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:36:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:36:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:36:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:36:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:36:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:36:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 23:36:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 23:36:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 23:36:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:36:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 23:36:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:36:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:36:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-19 23:36:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-19 23:36:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:36:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:36:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:36:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:36:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:36:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-19 23:36:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-07-19 23:36:19,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:36:19,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605313166] [2022-07-19 23:36:19,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605313166] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:36:19,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577460164] [2022-07-19 23:36:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:36:19,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:36:19,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:36:19,147 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) [2022-07-19 23:36:19,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 23:36:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:20,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 4668 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 23:36:20,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:36:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-19 23:36:20,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:36:20,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577460164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:36:20,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:36:20,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2022-07-19 23:36:20,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422212616] [2022-07-19 23:36:20,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:36:20,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:36:20,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:36:20,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:36:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-07-19 23:36:20,653 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) [2022-07-19 23:36:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:36:21,863 INFO L93 Difference]: Finished difference Result 66473 states and 94057 transitions. [2022-07-19 23:36:21,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:36:21,864 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 [2022-07-19 23:36:21,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:36:22,221 INFO L225 Difference]: With dead ends: 66473 [2022-07-19 23:36:22,221 INFO L226 Difference]: Without dead ends: 43119 [2022-07-19 23:36:22,310 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 [2022-07-19 23:36:22,312 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 [2022-07-19 23:36:22,313 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] [2022-07-19 23:36:22,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43119 states. [2022-07-19 23:36:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43119 to 43111. [2022-07-19 23:36:23,949 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) [2022-07-19 23:36:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43111 states to 43111 states and 60913 transitions. [2022-07-19 23:36:24,141 INFO L78 Accepts]: Start accepts. Automaton has 43111 states and 60913 transitions. Word has length 429 [2022-07-19 23:36:24,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:36:24,142 INFO L495 AbstractCegarLoop]: Abstraction has 43111 states and 60913 transitions. [2022-07-19 23:36:24,143 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) [2022-07-19 23:36:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 43111 states and 60913 transitions. [2022-07-19 23:36:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-19 23:36:24,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:36:24,558 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] [2022-07-19 23:36:24,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 23:36:24,783 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 [2022-07-19 23:36:24,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:36:24,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:36:24,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1614893254, now seen corresponding path program 1 times [2022-07-19 23:36:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:36:24,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141650423] [2022-07-19 23:36:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:36:24,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:36:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:36:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:36:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:36:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:36:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:36:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:36:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:36:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:36:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:36:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:36:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:36:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 23:36:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:36:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 23:36:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 23:36:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 23:36:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:36:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:36:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:36:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:36:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:36:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:36:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:36:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 23:36:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:36:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:36:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:36:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:36:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:36:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:36:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:36:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:36:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:36:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 23:36:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 23:36:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 23:36:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:36:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 23:36:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:36:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:36:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-19 23:36:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-19 23:36:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-19 23:36:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-19 23:36:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:36:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:36:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:36:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:36:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 23:36:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-19 23:36:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:36:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:36:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:36:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:36:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:36:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 23:36:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:36:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:36:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 23:36:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:36:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 23:36:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:36:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-07-19 23:36:26,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:36:26,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141650423] [2022-07-19 23:36:26,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141650423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:36:26,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:36:26,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 23:36:26,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054764802] [2022-07-19 23:36:26,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:36:26,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:36:26,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:36:26,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:36:26,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:36:26,094 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) [2022-07-19 23:36:30,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:36:32,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:36:34,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:36:36,579 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 [] [2022-07-19 23:37:01,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:37:01,549 INFO L93 Difference]: Finished difference Result 134883 states and 195190 transitions. [2022-07-19 23:37:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-19 23:37:01,549 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 [2022-07-19 23:37:01,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:37:02,341 INFO L225 Difference]: With dead ends: 134883 [2022-07-19 23:37:02,341 INFO L226 Difference]: Without dead ends: 91799 [2022-07-19 23:37:02,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=196, Invalid=506, Unknown=0, NotChecked=0, Total=702 [2022-07-19 23:37:02,493 INFO L413 NwaCegarLoop]: 3949 mSDtfsCounter, 13328 mSDsluCounter, 8677 mSDsCounter, 0 mSdLazyCounter, 14991 mSolverCounterSat, 9789 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13643 SdHoareTripleChecker+Valid, 12626 SdHoareTripleChecker+Invalid, 24782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9789 IncrementalHoareTripleChecker+Valid, 14991 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:37:02,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13643 Valid, 12626 Invalid, 24782 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9789 Valid, 14991 Invalid, 2 Unknown, 0 Unchecked, 31.6s Time] [2022-07-19 23:37:02,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91799 states. [2022-07-19 23:37:05,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91799 to 75475. [2022-07-19 23:37:06,053 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) [2022-07-19 23:37:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75475 states to 75475 states and 105885 transitions. [2022-07-19 23:37:06,722 INFO L78 Accepts]: Start accepts. Automaton has 75475 states and 105885 transitions. Word has length 506 [2022-07-19 23:37:06,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:37:06,723 INFO L495 AbstractCegarLoop]: Abstraction has 75475 states and 105885 transitions. [2022-07-19 23:37:06,724 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) [2022-07-19 23:37:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 75475 states and 105885 transitions. [2022-07-19 23:37:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-19 23:37:06,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:06,818 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] [2022-07-19 23:37:06,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:37:06,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:06,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:06,819 INFO L85 PathProgramCache]: Analyzing trace with hash -343012048, now seen corresponding path program 1 times [2022-07-19 23:37:06,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:37:06,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673804061] [2022-07-19 23:37:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:37:06,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:37:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:37:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:37:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:37:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:37:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:37:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:37:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:37:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:37:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:37:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:37:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:37:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:37:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 23:37:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 23:37:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 23:37:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 23:37:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 23:37:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:37:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:37:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:37:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-19 23:37:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:37:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:37:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:37:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:37:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:37:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:37:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:37:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:37:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:37:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:37:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:37:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 23:37:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:37:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:37:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:37:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:37:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:37:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:37:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:37:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:37:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:37:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 23:37:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 23:37:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 23:37:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:37:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:37:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-19 23:37:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 23:37:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:37:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:37:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:37:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:37:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:37:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-19 23:37:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2022-07-19 23:37:08,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:37:08,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673804061] [2022-07-19 23:37:08,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673804061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:37:08,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:37:08,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:37:08,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059123714] [2022-07-19 23:37:08,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:37:08,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:37:08,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:37:08,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:37:08,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:37:08,080 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) [2022-07-19 23:37:13,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:37:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:37:32,431 INFO L93 Difference]: Finished difference Result 210815 states and 303582 transitions. [2022-07-19 23:37:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 23:37:32,432 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 [2022-07-19 23:37:32,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:37:33,267 INFO L225 Difference]: With dead ends: 210815 [2022-07-19 23:37:33,267 INFO L226 Difference]: Without dead ends: 135367 [2022-07-19 23:37:33,490 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 [2022-07-19 23:37:33,491 INFO L413 NwaCegarLoop]: 6660 mSDtfsCounter, 8444 mSDsluCounter, 8733 mSDsCounter, 0 mSdLazyCounter, 11205 mSolverCounterSat, 5740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9209 SdHoareTripleChecker+Valid, 15393 SdHoareTripleChecker+Invalid, 16945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5740 IncrementalHoareTripleChecker+Valid, 11205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:37:33,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9209 Valid, 15393 Invalid, 16945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5740 Valid, 11205 Invalid, 0 Unknown, 0 Unchecked, 19.5s Time] [2022-07-19 23:37:33,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135367 states. [2022-07-19 23:37:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135367 to 113383. [2022-07-19 23:37:38,411 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) [2022-07-19 23:37:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113383 states to 113383 states and 158905 transitions. [2022-07-19 23:37:39,088 INFO L78 Accepts]: Start accepts. Automaton has 113383 states and 158905 transitions. Word has length 430 [2022-07-19 23:37:39,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:37:39,089 INFO L495 AbstractCegarLoop]: Abstraction has 113383 states and 158905 transitions. [2022-07-19 23:37:39,089 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) [2022-07-19 23:37:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 113383 states and 158905 transitions. [2022-07-19 23:37:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-19 23:37:39,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:39,473 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] [2022-07-19 23:37:39,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:37:39,474 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:39,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:39,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1268785744, now seen corresponding path program 1 times [2022-07-19 23:37:39,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:37:39,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688414574] [2022-07-19 23:37:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:37:39,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:37:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:37:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:37:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:37:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:37:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:37:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:37:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:37:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:37:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:37:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:37:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:37:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:37:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 23:37:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 23:37:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 23:37:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 23:37:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 23:37:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:37:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:37:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:37:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-19 23:37:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:37:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:37:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:37:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:37:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:37:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:37:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:37:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:37:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:37:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:37:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-19 23:37:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 23:37:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:37:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:37:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:37:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:37:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:37:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 23:37:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:37:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:37:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:37:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 23:37:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 23:37:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 23:37:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:37:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 23:37:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-19 23:37:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 23:37:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:37:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:37:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:37:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:37:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:37:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-19 23:37:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-07-19 23:37:41,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:37:41,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688414574] [2022-07-19 23:37:41,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688414574] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 23:37:41,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834215174] [2022-07-19 23:37:41,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:37:41,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 23:37:41,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:37:41,012 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) [2022-07-19 23:37:41,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 23:37:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:42,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 4902 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 23:37:42,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 23:37:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-19 23:37:42,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 23:37:42,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834215174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:37:42,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 23:37:42,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-19 23:37:42,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547438499] [2022-07-19 23:37:42,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:37:42,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:37:42,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:37:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:37:42,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-19 23:37:42,654 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) [2022-07-19 23:37:46,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:37:46,078 INFO L93 Difference]: Finished difference Result 170415 states and 239728 transitions. [2022-07-19 23:37:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:37:46,079 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 [2022-07-19 23:37:46,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:37:46,731 INFO L225 Difference]: With dead ends: 170415 [2022-07-19 23:37:46,731 INFO L226 Difference]: Without dead ends: 113431 [2022-07-19 23:37:46,880 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 [2022-07-19 23:37:46,881 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, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:37:46,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8424 Invalid, 4 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 23:37:46,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113431 states. [2022-07-19 23:37:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113431 to 113431. [2022-07-19 23:37:50,994 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) [2022-07-19 23:37:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113431 states to 113431 states and 158953 transitions. [2022-07-19 23:37:51,723 INFO L78 Accepts]: Start accepts. Automaton has 113431 states and 158953 transitions. Word has length 430 [2022-07-19 23:37:51,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:37:51,724 INFO L495 AbstractCegarLoop]: Abstraction has 113431 states and 158953 transitions. [2022-07-19 23:37:51,725 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) [2022-07-19 23:37:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 113431 states and 158953 transitions. [2022-07-19 23:37:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-19 23:37:51,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:37:51,791 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] [2022-07-19 23:37:51,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-19 23:37:52,007 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 [2022-07-19 23:37:52,008 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:37:52,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:37:52,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1777440657, now seen corresponding path program 1 times [2022-07-19 23:37:52,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:37:52,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701397058] [2022-07-19 23:37:52,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:37:52,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:37:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:37:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:37:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:37:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:37:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:37:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:37:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 23:37:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-19 23:37:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 23:37:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:37:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:37:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:37:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 23:37:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 23:37:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 23:37:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 23:37:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 23:37:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 23:37:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:37:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-19 23:37:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-19 23:37:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:37:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:37:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:37:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 23:37:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:37:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 23:37:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 23:37:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:37:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:37:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:37:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:37:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat