/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -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 -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:10:03,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:10:03,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:10:03,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:10:03,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:10:03,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:10:03,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:10:03,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:10:03,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:10:03,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:10:03,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:10:03,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:10:03,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:10:03,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:10:03,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:10:03,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:10:03,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:10:03,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:10:03,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:10:03,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:10:03,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:10:03,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:10:03,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:10:03,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:10:04,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:10:04,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:10:04,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:10:04,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:10:04,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:10:04,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:10:04,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:10:04,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:10:04,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:10:04,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:10:04,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:10:04,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:10:04,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:10:04,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:10:04,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:10:04,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:10:04,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:10:04,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:10:04,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:10:04,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:10:04,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:10:04,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:10:04,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:10:04,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:10:04,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:10:04,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:10:04,085 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:10:04,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:10:04,086 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:10:04,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:10:04,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:10:04,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:10:04,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:10:04,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:10:04,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:10:04,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:10:04,087 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:10:04,088 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:10:04,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:10:04,088 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:10:04,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:10:04,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:10:04,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:10:04,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:10:04,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:10:04,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:10:04,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:10:04,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:10:04,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:10:04,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:10:04,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:10:04,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:10:04,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:10:04,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:10:04,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:10:04,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:10:04,598 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:10:04,599 INFO L432 ainManager$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 [2022-10-16 13:10:04,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493e67093/2d3111f063b04ca7a62d51f585dd0a93/FLAG9365a5d2e [2022-10-16 13:10:05,865 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:10:05,867 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 [2022-10-16 13:10:05,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493e67093/2d3111f063b04ca7a62d51f585dd0a93/FLAG9365a5d2e [2022-10-16 13:10:06,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493e67093/2d3111f063b04ca7a62d51f585dd0a93 [2022-10-16 13:10:06,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:10:06,194 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:10:06,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:10:06,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:10:06,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:10:06,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:10:06" (1/1) ... [2022-10-16 13:10:06,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df13190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:06, skipping insertion in model container [2022-10-16 13:10:06,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:10:06" (1/1) ... [2022-10-16 13:10:06,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:10:06,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:10:07,357 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] [2022-10-16 13:10:10,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:10:10,381 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:10:10,523 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] [2022-10-16 13:10:10,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:10:11,348 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:10:11,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11 WrapperNode [2022-10-16 13:10:11,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:10:11,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:10:11,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:10:11,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:10:11,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:11,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:11,864 INFO L138 Inliner]: procedures = 458, calls = 3192, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 8098 [2022-10-16 13:10:11,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:10:11,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:10:11,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:10:11,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:10:11,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:11,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:11,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:11,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:12,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:12,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:12,419 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:12,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:12,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:10:12,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:10:12,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:10:12,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:10:12,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (1/1) ... [2022-10-16 13:10:12,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:10:12,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:10:12,591 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) [2022-10-16 13:10:12,608 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 [2022-10-16 13:10:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-10-16 13:10:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-10-16 13:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-16 13:10:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-16 13:10:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 13:10:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 13:10:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:10:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:10:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-16 13:10:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-16 13:10:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-10-16 13:10:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-10-16 13:10:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-10-16 13:10:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-10-16 13:10:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-16 13:10:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-16 13:10:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-16 13:10:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-16 13:10:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 13:10:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 13:10:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-10-16 13:10:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-10-16 13:10:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-16 13:10:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-16 13:10:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-10-16 13:10:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-10-16 13:10:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:10:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:10:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-10-16 13:10:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-10-16 13:10:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-10-16 13:10:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-10-16 13:10:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2022-10-16 13:10:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2022-10-16 13:10:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-16 13:10:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-16 13:10:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-16 13:10:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-16 13:10:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-16 13:10:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-16 13:10:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-10-16 13:10:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-10-16 13:10:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-16 13:10:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-10-16 13:10:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-10-16 13:10:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-10-16 13:10:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-10-16 13:10:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:10:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2022-10-16 13:10:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2022-10-16 13:10:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-16 13:10:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-16 13:10:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-10-16 13:10:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-10-16 13:10:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-10-16 13:10:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-10-16 13:10:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 13:10:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 13:10:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:10:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-10-16 13:10:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-10-16 13:10:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 13:10:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 13:10:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:10:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:10:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2022-10-16 13:10:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2022-10-16 13:10:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:10:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-10-16 13:10:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-10-16 13:10:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-10-16 13:10:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-10-16 13:10:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2022-10-16 13:10:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2022-10-16 13:10:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:10:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-10-16 13:10:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-10-16 13:10:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-16 13:10:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-16 13:10:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-10-16 13:10:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-10-16 13:10:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-10-16 13:10:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-10-16 13:10:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-10-16 13:10:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-10-16 13:10:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:10:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:10:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-10-16 13:10:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-10-16 13:10:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-10-16 13:10:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-10-16 13:10:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-10-16 13:10:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-10-16 13:10:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-10-16 13:10:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-10-16 13:10:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2022-10-16 13:10:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2022-10-16 13:10:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-16 13:10:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-16 13:10:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-16 13:10:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-16 13:10:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-10-16 13:10:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-10-16 13:10:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-10-16 13:10:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-10-16 13:10:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-10-16 13:10:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:10:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-10-16 13:10:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-10-16 13:10:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-10-16 13:10:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-10-16 13:10:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-10-16 13:10:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-10-16 13:10:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:10:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-16 13:10:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-16 13:10:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:10:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-10-16 13:10:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-10-16 13:10:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-10-16 13:10:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-10-16 13:10:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-10-16 13:10:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-10-16 13:10:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 13:10:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 13:10:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-10-16 13:10:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-10-16 13:10:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 13:10:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-16 13:10:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-10-16 13:10:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-10-16 13:10:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-10-16 13:10:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-10-16 13:10:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:10:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 13:10:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-10-16 13:10:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-10-16 13:10:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-10-16 13:10:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-10-16 13:10:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:10:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:10:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-16 13:10:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-16 13:10:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-10-16 13:10:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-10-16 13:10:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-10-16 13:10:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-10-16 13:10:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:10:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:10:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-10-16 13:10:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-10-16 13:10:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-10-16 13:10:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-10-16 13:10:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 13:10:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 13:10:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:10:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:10:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:10:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:10:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-16 13:10:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-16 13:10:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-10-16 13:10:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-10-16 13:10:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-10-16 13:10:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-10-16 13:10:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-16 13:10:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-16 13:10:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-10-16 13:10:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-10-16 13:10:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-10-16 13:10:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-10-16 13:10:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-10-16 13:10:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-10-16 13:10:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-10-16 13:10:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-10-16 13:10:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:10:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:10:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-10-16 13:10:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-10-16 13:10:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-10-16 13:10:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-10-16 13:10:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-10-16 13:10:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-10-16 13:10:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-10-16 13:10:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-10-16 13:10:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 13:10:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 13:10:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:10:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:10:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:10:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:10:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-16 13:10:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-16 13:10:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-10-16 13:10:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-10-16 13:10:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-10-16 13:10:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-10-16 13:10:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2022-10-16 13:10:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2022-10-16 13:10:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-10-16 13:10:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-10-16 13:10:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-10-16 13:10:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-10-16 13:10:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-16 13:10:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-16 13:10:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-10-16 13:10:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-10-16 13:10:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:10:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:10:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:10:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-10-16 13:10:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-10-16 13:10:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-10-16 13:10:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-10-16 13:10:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-16 13:10:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-16 13:10:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-10-16 13:10:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-10-16 13:10:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:10:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-10-16 13:10:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-10-16 13:10:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2022-10-16 13:10:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2022-10-16 13:10:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-10-16 13:10:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-10-16 13:10:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-10-16 13:10:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-10-16 13:10:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-10-16 13:10:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-10-16 13:10:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-10-16 13:10:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-10-16 13:10:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-10-16 13:10:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-10-16 13:10:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-10-16 13:10:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-10-16 13:10:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:10:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-10-16 13:10:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-10-16 13:10:12,700 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:10:12,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:10:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-10-16 13:10:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-10-16 13:10:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 13:10:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 13:10:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-10-16 13:10:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-10-16 13:10:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 13:10:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-16 13:10:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:10:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:10:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-10-16 13:10:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-10-16 13:10:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-10-16 13:10:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-10-16 13:10:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-10-16 13:10:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-10-16 13:10:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-10-16 13:10:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-10-16 13:10:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-16 13:10:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-16 13:10:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 13:10:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-16 13:10:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-16 13:10:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-16 13:10:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-10-16 13:10:12,704 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-10-16 13:10:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-10-16 13:10:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-10-16 13:10:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 13:10:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 13:10:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-10-16 13:10:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-10-16 13:10:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-10-16 13:10:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-10-16 13:10:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-10-16 13:10:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-10-16 13:10:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:10:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:10:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-10-16 13:10:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-10-16 13:10:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:10:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2022-10-16 13:10:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2022-10-16 13:10:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-10-16 13:10:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-10-16 13:10:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:10:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:10:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2022-10-16 13:10:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2022-10-16 13:10:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-10-16 13:10:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-10-16 13:10:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-16 13:10:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-16 13:10:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-16 13:10:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-16 13:10:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-10-16 13:10:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-10-16 13:10:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-10-16 13:10:12,709 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-10-16 13:10:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-16 13:10:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-16 13:10:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-10-16 13:10:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-10-16 13:10:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-10-16 13:10:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-10-16 13:10:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-10-16 13:10:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-10-16 13:10:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2022-10-16 13:10:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2022-10-16 13:10:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-10-16 13:10:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-10-16 13:10:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-10-16 13:10:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-10-16 13:10:12,711 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-10-16 13:10:12,711 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-10-16 13:10:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-16 13:10:12,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-16 13:10:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-10-16 13:10:12,712 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-10-16 13:10:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-16 13:10:12,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-16 13:10:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-10-16 13:10:12,713 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-10-16 13:10:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-16 13:10:12,713 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-16 13:10:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:10:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-10-16 13:10:12,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-10-16 13:10:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-16 13:10:14,008 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:10:14,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:10:14,529 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:10:21,837 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:10:21,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:10:21,886 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 13:10:21,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:10:21 BoogieIcfgContainer [2022-10-16 13:10:21,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:10:21,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:10:21,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:10:21,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:10:21,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:10:06" (1/3) ... [2022-10-16 13:10:21,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b3c218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:10:21, skipping insertion in model container [2022-10-16 13:10:21,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:10:11" (2/3) ... [2022-10-16 13:10:21,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23b3c218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:10:21, skipping insertion in model container [2022-10-16 13:10:21,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:10:21" (3/3) ... [2022-10-16 13:10:21,907 INFO L112 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 [2022-10-16 13:10:21,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:10:21,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 152 error locations. [2022-10-16 13:10:22,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:10:22,138 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@506ca515, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:10:22,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 152 error locations. [2022-10-16 13:10:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 3315 states, 2299 states have (on average 1.4249673771204872) internal successors, (3276), 2510 states have internal predecessors, (3276), 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) [2022-10-16 13:10:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 13:10:22,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:22,197 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] [2022-10-16 13:10:22,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 150 more)] === [2022-10-16 13:10:22,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:22,204 INFO L85 PathProgramCache]: Analyzing trace with hash -781282896, now seen corresponding path program 1 times [2022-10-16 13:10:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:22,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303986010] [2022-10-16 13:10:22,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:22,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:10:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:10:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:10:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:10:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:10:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:10:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:10:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:10:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:10:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:10:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 13:10:23,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:23,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303986010] [2022-10-16 13:10:23,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303986010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:23,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:10:23,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:10:23,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694716686] [2022-10-16 13:10:23,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:23,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:10:23,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:23,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:10:23,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:10:23,868 INFO L87 Difference]: Start difference. First operand has 3315 states, 2299 states have (on average 1.4249673771204872) internal successors, (3276), 2510 states have internal predecessors, (3276), 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 6.8) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 13:10:41,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:41,761 INFO L93 Difference]: Finished difference Result 10767 states and 15782 transitions. [2022-10-16 13:10:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:10:41,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 83 [2022-10-16 13:10:41,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:41,854 INFO L225 Difference]: With dead ends: 10767 [2022-10-16 13:10:41,854 INFO L226 Difference]: Without dead ends: 7386 [2022-10-16 13:10:41,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:10:41,889 INFO L413 NwaCegarLoop]: 4768 mSDtfsCounter, 8306 mSDsluCounter, 6976 mSDsCounter, 0 mSdLazyCounter, 5863 mSolverCounterSat, 4370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8754 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 10233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4370 IncrementalHoareTripleChecker+Valid, 5863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:10:41,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8754 Valid, 11744 Invalid, 10233 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4370 Valid, 5863 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-10-16 13:10:41,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7386 states. [2022-10-16 13:10:42,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7386 to 6259. [2022-10-16 13:10:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6259 states, 4487 states have (on average 1.3514597726766213) internal successors, (6064), 4687 states have internal predecessors, (6064), 1354 states have call successors, (1354), 303 states have call predecessors, (1354), 303 states have return successors, (1354), 1325 states have call predecessors, (1354), 1354 states have call successors, (1354) [2022-10-16 13:10:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6259 states to 6259 states and 8772 transitions. [2022-10-16 13:10:42,414 INFO L78 Accepts]: Start accepts. Automaton has 6259 states and 8772 transitions. Word has length 83 [2022-10-16 13:10:42,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:42,416 INFO L495 AbstractCegarLoop]: Abstraction has 6259 states and 8772 transitions. [2022-10-16 13:10:42,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-16 13:10:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 6259 states and 8772 transitions. [2022-10-16 13:10:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 13:10:42,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:42,424 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, 1, 1, 1] [2022-10-16 13:10:42,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:10:42,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting igbvf_change_mtuErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 150 more)] === [2022-10-16 13:10:42,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:42,426 INFO L85 PathProgramCache]: Analyzing trace with hash -229209881, now seen corresponding path program 1 times [2022-10-16 13:10:42,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:42,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585665479] [2022-10-16 13:10:42,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:42,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:10:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:10:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:10:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:10:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:10:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:10:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:10:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:10:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:10:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:10:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:10:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 13:10:43,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:43,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585665479] [2022-10-16 13:10:43,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585665479] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:43,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:10:43,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:10:43,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462226148] [2022-10-16 13:10:43,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:43,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:10:43,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:43,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:10:43,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:10:43,296 INFO L87 Difference]: Start difference. First operand 6259 states and 8772 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:11:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:11:02,553 INFO L93 Difference]: Finished difference Result 19210 states and 27469 transitions. [2022-10-16 13:11:02,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:11:02,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2022-10-16 13:11:02,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:11:02,789 INFO L225 Difference]: With dead ends: 19210 [2022-10-16 13:11:02,790 INFO L226 Difference]: Without dead ends: 12978 [2022-10-16 13:11:02,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:11:02,827 INFO L413 NwaCegarLoop]: 4566 mSDtfsCounter, 7328 mSDsluCounter, 6728 mSDsCounter, 0 mSdLazyCounter, 5651 mSolverCounterSat, 3985 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7671 SdHoareTripleChecker+Valid, 11294 SdHoareTripleChecker+Invalid, 9636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3985 IncrementalHoareTripleChecker+Valid, 5651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:11:02,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7671 Valid, 11294 Invalid, 9636 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3985 Valid, 5651 Invalid, 0 Unknown, 0 Unchecked, 18.1s Time] [2022-10-16 13:11:02,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12978 states. [2022-10-16 13:11:03,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12978 to 10954. [2022-10-16 13:11:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10954 states, 7896 states have (on average 1.3477710233029383) internal successors, (10642), 8182 states have internal predecessors, (10642), 2371 states have call successors, (2371), 574 states have call predecessors, (2371), 572 states have return successors, (2371), 2301 states have call predecessors, (2371), 2371 states have call successors, (2371) [2022-10-16 13:11:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10954 states to 10954 states and 15384 transitions. [2022-10-16 13:11:03,631 INFO L78 Accepts]: Start accepts. Automaton has 10954 states and 15384 transitions. Word has length 96 [2022-10-16 13:11:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:11:03,634 INFO L495 AbstractCegarLoop]: Abstraction has 10954 states and 15384 transitions. [2022-10-16 13:11:03,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:11:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 10954 states and 15384 transitions. [2022-10-16 13:11:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 13:11:03,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:11:03,642 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, 1, 1] [2022-10-16 13:11:03,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:11:03,643 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 150 more)] === [2022-10-16 13:11:03,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:11:03,644 INFO L85 PathProgramCache]: Analyzing trace with hash 17837334, now seen corresponding path program 1 times [2022-10-16 13:11:03,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:11:03,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349431699] [2022-10-16 13:11:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:11:03,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:11:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:11:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:11:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:11:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:11:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:11:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:11:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:11:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:11:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:11:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:11:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:11:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:11:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-16 13:11:04,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:11:04,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349431699] [2022-10-16 13:11:04,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349431699] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:11:04,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:11:04,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:11:04,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128848976] [2022-10-16 13:11:04,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:11:04,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:11:04,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:11:04,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:11:04,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:11:04,363 INFO L87 Difference]: Start difference. First operand 10954 states and 15384 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:11:09,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:11:24,860 INFO L93 Difference]: Finished difference Result 34394 states and 49423 transitions. [2022-10-16 13:11:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:11:24,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2022-10-16 13:11:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:11:25,001 INFO L225 Difference]: With dead ends: 34394 [2022-10-16 13:11:25,001 INFO L226 Difference]: Without dead ends: 23467 [2022-10-16 13:11:25,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:11:25,061 INFO L413 NwaCegarLoop]: 6077 mSDtfsCounter, 6646 mSDsluCounter, 8421 mSDsCounter, 0 mSdLazyCounter, 6115 mSolverCounterSat, 3386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6999 SdHoareTripleChecker+Valid, 14498 SdHoareTripleChecker+Invalid, 9501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3386 IncrementalHoareTripleChecker+Valid, 6115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:11:25,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6999 Valid, 14498 Invalid, 9501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3386 Valid, 6115 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2022-10-16 13:11:25,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23467 states. [2022-10-16 13:11:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23467 to 19804. [2022-10-16 13:11:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19804 states, 14448 states have (on average 1.3492524916943522) internal successors, (19494), 14822 states have internal predecessors, (19494), 4181 states have call successors, (4181), 1062 states have call predecessors, (4181), 1060 states have return successors, (4181), 4083 states have call predecessors, (4181), 4181 states have call successors, (4181) [2022-10-16 13:11:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19804 states to 19804 states and 27856 transitions. [2022-10-16 13:11:26,483 INFO L78 Accepts]: Start accepts. Automaton has 19804 states and 27856 transitions. Word has length 95 [2022-10-16 13:11:26,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:11:26,486 INFO L495 AbstractCegarLoop]: Abstraction has 19804 states and 27856 transitions. [2022-10-16 13:11:26,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 13:11:26,486 INFO L276 IsEmpty]: Start isEmpty. Operand 19804 states and 27856 transitions. [2022-10-16 13:11:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-16 13:11:26,500 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:11:26,500 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 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] [2022-10-16 13:11:26,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:11:26,501 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 150 more)] === [2022-10-16 13:11:26,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:11:26,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1597863192, now seen corresponding path program 1 times [2022-10-16 13:11:26,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:11:26,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496938359] [2022-10-16 13:11:26,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:11:26,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:11:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:11:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:11:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:11:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:11:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:11:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:11:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:11:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:11:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:11:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:11:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:11:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:11:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:11:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:11:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:11:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:11:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:11:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:11:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:11:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:11:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-10-16 13:11:27,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:11:27,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496938359] [2022-10-16 13:11:27,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496938359] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:11:27,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:11:27,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:11:27,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300521933] [2022-10-16 13:11:27,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:11:27,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:11:27,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:11:27,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:11:27,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:11:27,519 INFO L87 Difference]: Start difference. First operand 19804 states and 27856 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 13:11:34,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:49,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:11:49,409 INFO L93 Difference]: Finished difference Result 46637 states and 68097 transitions. [2022-10-16 13:11:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:11:49,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2022-10-16 13:11:49,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:11:49,724 INFO L225 Difference]: With dead ends: 46637 [2022-10-16 13:11:49,724 INFO L226 Difference]: Without dead ends: 46619 [2022-10-16 13:11:49,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:11:49,765 INFO L413 NwaCegarLoop]: 4728 mSDtfsCounter, 8284 mSDsluCounter, 6892 mSDsCounter, 0 mSdLazyCounter, 5938 mSolverCounterSat, 4323 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8732 SdHoareTripleChecker+Valid, 11620 SdHoareTripleChecker+Invalid, 10262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4323 IncrementalHoareTripleChecker+Valid, 5938 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:11:49,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8732 Valid, 11620 Invalid, 10262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4323 Valid, 5938 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2022-10-16 13:11:49,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46619 states. [2022-10-16 13:11:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46619 to 39466. [2022-10-16 13:11:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39466 states, 28880 states have (on average 1.3473684210526315) internal successors, (38912), 29514 states have internal predecessors, (38912), 8351 states have call successors, (8351), 2124 states have call predecessors, (8351), 2120 states have return successors, (8351), 8155 states have call predecessors, (8351), 8351 states have call successors, (8351) [2022-10-16 13:11:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39466 states to 39466 states and 55614 transitions. [2022-10-16 13:11:52,453 INFO L78 Accepts]: Start accepts. Automaton has 39466 states and 55614 transitions. Word has length 158 [2022-10-16 13:11:52,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:11:52,454 INFO L495 AbstractCegarLoop]: Abstraction has 39466 states and 55614 transitions. [2022-10-16 13:11:52,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 13:11:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 39466 states and 55614 transitions. [2022-10-16 13:11:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-16 13:11:52,460 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:11:52,461 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:11:52,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:11:52,461 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 150 more)] === [2022-10-16 13:11:52,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:11:52,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1322904447, now seen corresponding path program 1 times [2022-10-16 13:11:52,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:11:52,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549685355] [2022-10-16 13:11:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:11:52,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:11:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:11:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:11:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:11:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:11:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:11:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:11:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:11:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:11:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:11:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:11:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:11:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:11:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:11:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:11:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 13:11:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-16 13:11:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 13:11:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:11:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:11:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-16 13:11:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:11:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 13:11:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-16 13:11:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2022-10-16 13:11:53,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:11:53,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549685355] [2022-10-16 13:11:53,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549685355] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:11:53,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:11:53,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:11:53,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730623803] [2022-10-16 13:11:53,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:11:53,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:11:53,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:11:53,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:11:53,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:11:53,385 INFO L87 Difference]: Start difference. First operand 39466 states and 55614 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:12:00,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:03,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:05,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:07,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:21,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:12:21,622 INFO L93 Difference]: Finished difference Result 123474 states and 177844 transitions. [2022-10-16 13:12:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:12:21,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 163 [2022-10-16 13:12:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:12:22,438 INFO L225 Difference]: With dead ends: 123474 [2022-10-16 13:12:22,438 INFO L226 Difference]: Without dead ends: 84035 [2022-10-16 13:12:22,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:12:22,625 INFO L413 NwaCegarLoop]: 7288 mSDtfsCounter, 6254 mSDsluCounter, 9408 mSDsCounter, 0 mSdLazyCounter, 6787 mSolverCounterSat, 3062 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6639 SdHoareTripleChecker+Valid, 16696 SdHoareTripleChecker+Invalid, 9851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3062 IncrementalHoareTripleChecker+Valid, 6787 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:12:22,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6639 Valid, 16696 Invalid, 9851 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3062 Valid, 6787 Invalid, 2 Unknown, 0 Unchecked, 24.2s Time] [2022-10-16 13:12:22,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84035 states. [2022-10-16 13:12:27,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84035 to 70697. [2022-10-16 13:12:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70697 states, 51805 states have (on average 1.3442524852813436) internal successors, (69639), 52857 states have internal predecessors, (69639), 14808 states have call successors, (14808), 3977 states have call predecessors, (14808), 3969 states have return successors, (14808), 14454 states have call predecessors, (14808), 14808 states have call successors, (14808) [2022-10-16 13:12:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70697 states to 70697 states and 99255 transitions. [2022-10-16 13:12:28,071 INFO L78 Accepts]: Start accepts. Automaton has 70697 states and 99255 transitions. Word has length 163 [2022-10-16 13:12:28,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:12:28,072 INFO L495 AbstractCegarLoop]: Abstraction has 70697 states and 99255 transitions. [2022-10-16 13:12:28,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:12:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 70697 states and 99255 transitions. [2022-10-16 13:12:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-16 13:12:28,085 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:12:28,085 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 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] [2022-10-16 13:12:28,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:12:28,086 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 150 more)] === [2022-10-16 13:12:28,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:12:28,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1524128454, now seen corresponding path program 1 times [2022-10-16 13:12:28,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:12:28,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063536296] [2022-10-16 13:12:28,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:28,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:12:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:12:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:12:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:12:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:12:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:12:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:12:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:12:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:12:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:12:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:12:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:12:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:12:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:12:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:12:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:12:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:12:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:12:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:12:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:12:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:12:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 13:12:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:12:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2022-10-16 13:12:29,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:12:29,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063536296] [2022-10-16 13:12:29,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063536296] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:12:29,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:12:29,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:12:29,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438362891] [2022-10-16 13:12:29,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:12:29,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:12:29,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:12:29,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:12:29,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:12:29,596 INFO L87 Difference]: Start difference. First operand 70697 states and 99255 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-16 13:12:34,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:39,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:55,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:12:55,068 INFO L93 Difference]: Finished difference Result 155430 states and 222536 transitions. [2022-10-16 13:12:55,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:12:55,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 169 [2022-10-16 13:12:55,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:12:55,711 INFO L225 Difference]: With dead ends: 155430 [2022-10-16 13:12:55,711 INFO L226 Difference]: Without dead ends: 84775 [2022-10-16 13:12:55,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:12:55,963 INFO L413 NwaCegarLoop]: 6807 mSDtfsCounter, 7153 mSDsluCounter, 9011 mSDsCounter, 0 mSdLazyCounter, 6778 mSolverCounterSat, 3515 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7590 SdHoareTripleChecker+Valid, 15818 SdHoareTripleChecker+Invalid, 10295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3515 IncrementalHoareTripleChecker+Valid, 6778 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:12:55,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7590 Valid, 15818 Invalid, 10295 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3515 Valid, 6778 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2022-10-16 13:12:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84775 states. [2022-10-16 13:12:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84775 to 71355. [2022-10-16 13:12:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71355 states, 52286 states have (on average 1.3430363768503997) internal successors, (70222), 53349 states have internal predecessors, (70222), 14914 states have call successors, (14914), 4048 states have call predecessors, (14914), 4040 states have return successors, (14914), 14555 states have call predecessors, (14914), 14914 states have call successors, (14914) [2022-10-16 13:13:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71355 states to 71355 states and 100050 transitions. [2022-10-16 13:13:00,480 INFO L78 Accepts]: Start accepts. Automaton has 71355 states and 100050 transitions. Word has length 169 [2022-10-16 13:13:00,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:13:00,481 INFO L495 AbstractCegarLoop]: Abstraction has 71355 states and 100050 transitions. [2022-10-16 13:13:00,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-10-16 13:13:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 71355 states and 100050 transitions. [2022-10-16 13:13:00,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 13:13:00,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:13:00,489 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 3, 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] [2022-10-16 13:13:00,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:13:00,490 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 150 more)] === [2022-10-16 13:13:00,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:13:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1611772925, now seen corresponding path program 1 times [2022-10-16 13:13:00,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:13:00,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420853608] [2022-10-16 13:13:00,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:13:00,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:13:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:13:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:13:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:13:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:13:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:13:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:13:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:13:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:13:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:13:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 13:13:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:13:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:13:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:13:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:13:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 13:13:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 13:13:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-10-16 13:13:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:13:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:13:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:13:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:13:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-10-16 13:13:01,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:13:01,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420853608] [2022-10-16 13:13:01,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420853608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:13:01,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:13:01,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:13:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014105257] [2022-10-16 13:13:01,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:13:01,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:13:01,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:13:01,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:13:01,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:13:01,342 INFO L87 Difference]: Start difference. First operand 71355 states and 100050 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-10-16 13:13:05,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:13:07,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:13:11,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:13:13,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:13:33,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:13:33,466 INFO L93 Difference]: Finished difference Result 158942 states and 228405 transitions. [2022-10-16 13:13:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:13:33,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 171 [2022-10-16 13:13:33,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:13:34,127 INFO L225 Difference]: With dead ends: 158942 [2022-10-16 13:13:34,128 INFO L226 Difference]: Without dead ends: 105836 [2022-10-16 13:13:34,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:13:34,424 INFO L413 NwaCegarLoop]: 8190 mSDtfsCounter, 6157 mSDsluCounter, 10311 mSDsCounter, 0 mSdLazyCounter, 7339 mSolverCounterSat, 2896 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6598 SdHoareTripleChecker+Valid, 18501 SdHoareTripleChecker+Invalid, 10237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2896 IncrementalHoareTripleChecker+Valid, 7339 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:13:34,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6598 Valid, 18501 Invalid, 10237 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2896 Valid, 7339 Invalid, 2 Unknown, 0 Unchecked, 26.7s Time] [2022-10-16 13:13:34,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105836 states. [2022-10-16 13:13:38,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105836 to 89100.